- •Preface
- •Contents
- •1.1.1 The Vitreous
- •1.1.1.1 Embryology
- •1.1.1.2 The Anatomy
- •1.1.1.3 Anatomical Attachments of the Vitreous to the Surrounding Structures
- •1.1.2 The Retina
- •1.1.2.1 Embryology
- •1.1.2.2 Anatomy
- •Retinal Pigment Epithelium (RPE)
- •Photoreceptor Layer
- •Intermediary Neurones
- •Ganglion Cells
- •Retinal Blood Vessels
- •Other Fundal Structures
- •1.1.3 The Physiology of the Vitreous
- •1.2 Clinical Examination and Investigation
- •1.2.1 Using the Database
- •1.2.2 Examination of the Eye
- •1.2.2.1 Examination Technique
- •Visual Acuity
- •1.2.2.2 The Slit Lamp
- •1.2.2.3 Binocular Indirect Ophthalmoscope
- •1.2.2.4 Using the Indenter
- •1.2.2.5 Ultrasonography
- •Posterior Vitreous Detachment (PVD)
- •Retinal Tear
- •Retinal Detachment
- •Subretinal Haemorrhage
- •Retinoschisis
- •Choroidal Elevation
- •Trauma
- •1.2.2.6 Optical Coherence Tomography
- •Time-Domain OCT
- •Colour Coding
- •Frequency-Domain OCT
- •Full-Field OCT
- •Scan Resolution
- •Images and Measurements
- •Performing the Scan
- •Macular Scan Patterns
- •Central Retinal Thickness
- •Inner Segment and Outer Segment Junction and External Limiting Membrane
- •1.2.3 Subjective Tests
- •1.2.4 The Preoperative Assessment
- •1.3 Summary
- •References
- •2: Introduction to Vitreoretinal Surgery
- •2.1 Introduction
- •2.2 Choice of Anaesthesia
- •2.3 Pars Plana Vitrectomy
- •2.3.1 Sclerotomies
- •2.3.2 Where to Place the Sclerotomies
- •2.3.3 Securing the Infusion Cannula
- •2.3.4 Checking the Infusion
- •2.3.6 The Superior Sclerotomies
- •2.3.6.1 Where to Place
- •2.3.7 Checking the View
- •2.3.8 The Independent Viewing System
- •2.3.9 Removing the Vitreous
- •2.4 Vitrectomy Cutters
- •2.5 Handling the Light Pipe
- •2.6 Use of Sclerotomy Plugs
- •2.7 The Internal Search
- •2.8 Endolaser
- •2.9 Using a Contact Lens
- •2.10 Maintaining a View
- •2.10.1 Microscope
- •2.10.3 Cornea
- •2.10.4 Blood in the Anterior Chamber
- •2.10.5 Condensation on an Intraocular Lens Implant
- •2.10.6 Cataract Formation
- •2.10.7 Pupillary Dilation
- •2.11 Closing
- •2.12 Peroperative Complications
- •2.12.1 Iatrogenic Breaks
- •2.12.1.1 Causes
- •2.12.2 Choroidal Haemorrhage
- •2.12.3 Haemorrhage from Retinal or Other Blood Vessels
- •2.12.4 Lens Touch
- •2.12.5 Hypotony
- •2.13 Postoperative Complications
- •2.13.1 Cataract
- •2.13.2 Endophthalmitis
- •2.13.3 Corneal Changes
- •2.13.4 Choroidal Haemorrhage
- •2.13.5 Raised Intraocular Pressure
- •2.13.6 Retinal Breaks and RRD
- •2.13.7 Hypotony
- •2.13.8 Scleritis
- •2.13.9 Sympathetic Uveitis
- •2.14 Adjustments for 20 Gauge Vitrectomy
- •2.14.1 Construction of Superior Sclerotomies
- •2.14.2 Priming
- •2.14.3 Self-Sealing Sclerotomies
- •2.15 Adjustments for 23 and 25 Gauge Vitrectomy
- •2.15.1 Instrumentation
- •2.15.2 Surgical Technique
- •2.15.2.1 Vitrectomy Technique
- •2.15.3 Flexibility
- •2.15.4 Indentation
- •2.15.5 Flow Rates
- •2.15.6 Trochar Internal Protrusion
- •2.15.7 Silicone Oil
- •2.16 Complications
- •2.16.1 Peroperative
- •2.16.1.1 Extrusion of the Trochar on Removal of Instrumentation
- •2.16.1.2 Conjunctival Chemosis
- •2.16.1.3 Hypotony
- •2.16.1.4 Endophthalmitis
- •2.16.2 Postoperative Retinal Break Formation
- •2.17 Advantages and Disadvantages of 23 and 25 G Systems
- •2.18 Combined Cataract Extraction and PPV
- •2.18.1 How to Decide Whether to Perform Combined Surgery
- •2.18.1.1 Accommodation
- •2.19 Biometry
- •2.20 Chandelier Systems and Bimanual Surgery
- •2.20.1 Possible Complications
- •2.21 Dyes
- •2.22 Intravitreal Injections
- •2.22.1 Injection Medications
- •2.23 Slow Release Preparations
- •2.24 Summary
- •References
- •3: Principles of Internal Tamponade
- •3.1 Gases
- •3.1.1 Principles
- •3.1.1.1 Properties
- •3.1.1.2 A Safe Method for Drawing Up Gas
- •3.1.2 Complications
- •3.1.2.1 Vision
- •3.1.2.2 Refraction
- •3.1.2.3 Cataract
- •3.1.2.5 Loss of the Gas Bubble
- •3.1.2.6 Gas in the Wrong Place
- •3.1.3 Important Postoperative Information
- •3.1.3.1 Flying or Travel to High Altitude
- •3.1.3.2 General Anaesthesia
- •3.2 Silicone Oil
- •3.2.1 Properties
- •3.2.3 Complications of Silicone Oil
- •3.2.3.1 Refractive Changes
- •3.2.3.2 Cataract
- •3.2.3.5 Cornea
- •3.2.3.6 Macular Toxicity
- •3.2.3.7 Oil in the Wrong Place
- •3.2.3.8 Emulsion
- •3.2.3.9 IOLs
- •3.2.4 Silicone Oil Removal
- •3.2.4.1 Alternative Methods
- •3.2.4.2 Retinal Redetachment Rates After Oil Removal
- •3.2.5 Heavy Silicone Oils
- •3.2.6 Heavy Liquids
- •3.2.7 ‘Light’ Heavy Liquids
- •3.3 Summary
- •References
- •4: Posterior Vitreous Detachment
- •4.1 Introduction
- •4.1.1 Symptoms
- •4.1.1.1 Floaters
- •4.1.1.2 Flashes
- •Introduction
- •Clinical Characteristics
- •4.1.2 Signs
- •4.1.2.1 Detection of PVD
- •4.1.2.2 Shafer’s Sign
- •4.1.2.3 Vitreous Haemorrhage
- •4.1.2.4 Ophthalmoscopy
- •4.1.3 Retinal Tears
- •4.1.3.1 U Tears
- •4.1.3.2 Atrophic Round Holes
- •4.1.3.3 Other Breaks
- •4.1.3.4 Progression to Retinal Detachment
- •4.1.4 Peripheral Retinal Degenerations
- •4.2 Summary
- •References
- •5: Vitreous Haemorrhage
- •5.1 Introduction
- •5.2 Aetiology
- •5.3 Natural History
- •5.4 Erythroclastic Glaucoma
- •5.5 Investigation
- •5.6 Ultrasound
- •5.7 Management
- •5.8 Surgery
- •5.9 Vitrectomy
- •5.10 Summary
- •References
- •6: Rhegmatogenous Retinal Detachment
- •6.1 Introduction
- •6.1.1 Tears with Posterior Vitreous Detachment
- •6.1.2 Breaks Without Posterior Vitreous Detachment
- •6.1.3 Natural History
- •6.1.3.1 Chronic RRD
- •6.1.3.2 Risk to the Other Eye
- •6.2 Clinical Features
- •6.2.1 Anterior Segment Signs
- •6.2.2 Signs in the Vitreous
- •6.2.3 Subretinal Fluid Accumulation
- •6.2.4 Retinal Break Patterns in RRD
- •6.2.5 Macula Off or On
- •6.3 Surgery
- •6.3.1 Flat Retinal Breaks
- •6.3.1.1 Retinopexy
- •6.3.1.2 Cryotherapy
- •6.3.1.3 Cryotherapy in the Clinic Setting
- •6.3.1.4 Laser
- •6.3.1.5 Laser in the Clinic Setting
- •6.3.2 Retinal Detachment
- •6.3.2.1 Principles
- •6.3.2.2 Break Closure
- •6.3.2.3 Relief of Traction
- •6.3.2.4 Alteration of Fluid Currents
- •6.3.2.5 Retinopexy
- •6.3.3 Pars Plana Vitrectomy
- •6.3.3.1 Introduction
- •6.3.3.2 Finding the Breaks
- •6.3.3.4 Draining Subretinal Fluid
- •6.3.3.5 When to Use Heavy Liquids
- •6.3.3.6 Removal of Heavy Liquid
- •6.3.3.7 Choice of Tamponade
- •6.3.3.8 Avoiding Retinal Folds
- •6.3.3.9 Inferior Breaks
- •6.3.3.10 Posterior Breaks
- •6.3.3.11 Multiple Breaks
- •6.3.3.12 Medial Opacities
- •6.3.3.13 Complications
- •6.3.3.14 Surgery for Eyes with No Breaks Found
- •6.3.3.15 Use of 360° Laser or Routine 360° Encirclage
- •6.3.3.16 Posturing
- •6.3.4.1 Operative Stages
- •6.3.4.2 Postoperative Care
- •6.3.4.3 Complications
- •6.3.4.4 Peroperative
- •6.3.4.5 Postoperative
- •6.3.5 Drainage Air Cryotherapy and Explant (DACE)
- •6.3.5.1 Subretinal Fluid (SRF) Drainage
- •6.3.5.2 Air Insertion
- •6.3.5.3 Complications
- •6.3.6 Pneumatic Retinopexy
- •6.3.6.1 Surgical Steps
- •6.3.6.2 Complications
- •6.4 Success Rates
- •6.5 Causes of Failure
- •6.6 Surgery for Redetachment
- •6.7 Secondary Macular Holes
- •6.8 Detachment with Choroidal Effusions
- •6.9 Removal of Explant
- •6.9.1 Diplopia
- •6.9.2 Erosion Through Conjunctiva
- •6.9.3 Infection
- •6.9.4 Cosmesis
- •6.9.5 Irritation
- •6.9.6 Surgery for Removal of the Explant
- •6.10 Summary
- •References
- •7.2 Atrophic Hole RRD with Attached Vitreous
- •7.3 Pseudophakic RRD
- •7.4 Aphakic RRD
- •7.5 Retinal Dialysis
- •7.5.1 Clinical Features
- •7.5.2 Surgery for Retinal Dialysis
- •7.5.2.1 Search
- •7.5.2.2 Cryotherapy
- •7.5.2.3 Marking the Break
- •7.5.2.4 Plombage
- •7.5.2.5 Checking the Indent
- •7.5.3 Complications
- •7.5.4 Giant Retinal Dialysis
- •7.5.5 Dialysis and PVR
- •7.5.6 Par Ciliaris Tear
- •7.6 Giant Retinal Tear
- •7.6.1 Clinical Features
- •7.6.2 Stickler’s Syndrome
- •7.6.3 Surgery for Giant Retinal Tear
- •7.6.3.1 Heavy Liquids
- •7.6.3.2 Retinopexy
- •7.6.3.3 Trans-scleral Illumination Technique
- •7.6.3.4 Silicone Oil Insertion
- •7.6.3.5 Choice of Endotamponade
- •7.6.3.6 Success Rates
- •7.6.3.7 Removal of the Silicone Oil
- •7.6.3.8 The Other Eye
- •7.7 Retinal Detachment in High Myopes
- •7.7.1 Clinical Features
- •7.7.2 Surgery
- •7.8.1 Clinical Features
- •7.8.1.1 Infantile Retinoschisis
- •7.8.1.2 Senile Retinoschisis
- •7.8.1.4 Retinal Detachment in Retinoschisis
- •7.8.2 Surgery
- •7.9 Juvenile Retinal Detachment
- •7.10 Atopic Dermatitis
- •7.11 Refractive Surgery
- •7.12 Congenital Cataract
- •7.13 Others
- •7.14 Summary
- •References
- •8: Proliferative Vitreoretinopathy
- •8.1 Introduction
- •8.2 Pathogenesis
- •8.3 Clinical Features
- •8.3.1 Introduction
- •8.3.2 Grading
- •8.3.3 Risk of PVR
- •8.4 Surgery
- •8.4.1 Mild PVR
- •8.4.2 Moderate PVR
- •8.4.3 Severe PVR
- •8.4.3.1 The Relieving Retinectomy
- •8.4.4 Radial Retinotomy
- •8.4.5 Silicone Oil Injection
- •8.4.6 Applying Laser
- •8.4.7 ROSO Plus
- •8.4.8 Very Severe PVR
- •8.4.9 Choice of Endotamponade
- •8.4.9.1 Silicone Oil or Perfluoropropane Gas
- •8.4.9.2 Heavy Oils
- •8.4.10 Removal of Subretinal Bands
- •8.4.11 Adjunctive Therapies
- •8.4.12 Success Rates
- •8.4.13 Postoperative Complications
- •8.5 Summary
- •References
- •9: Macular Hole
- •9.1 Introduction
- •9.2 Idiopathic Macular Hole
- •9.2.1 Clinical Features
- •9.2.1.1 Introduction
- •9.2.1.2 Watzke–Allen Test
- •9.2.1.3 Grading
- •9.2.1.4 Natural History
- •9.2.1.5 Optical Coherence Tomography
- •9.2.2 Secondary Macular Holes
- •9.2.3 Lamellar and Partial Thickness Holes
- •9.2.4 Surgery
- •9.2.4.1 Introduction
- •9.2.4.2 Surgery
- •9.2.4.3 Peeling the Posterior Hyaloid Membrane
- •9.2.4.4 ILM Peel and Other Adjunctive Therapies
- •9.2.4.5 Choice of Tamponade
- •9.2.4.6 Postoperative Posturing of the Patient
- •9.2.4.9 Visual Field Loss
- •9.2.5 Success Rates
- •9.2.6 Reoperation
- •9.3 Microplasmin
- •9.4 Summary
- •References
- •10.1 Clinical Features
- •10.1.1 Other Conditions
- •10.1.2 Secondary Macular Pucker
- •10.2 Surgery
- •10.3 Success Rates
- •10.5 Membrane Recurrence
- •10.6 Summary
- •References
- •11: Choroidal Neovascular Membrane
- •11.1 Age-Related Macular Degeneration
- •11.1.1 Clinical Features
- •11.1.2 Vitreous Haemorrhage and CNV
- •11.1.3 Pneumatic Displacement of Subretinal Haemorrhage
- •11.1.4 Surgery for Failed Anti-VEGF Therapy
- •11.1.4.1 Introduction
- •11.1.4.2 360° Macular Translocation
- •11.1.6 Success Rates
- •11.2 Choroidal Neovascular Membrane Not from ARMD
- •11.2.1 Introduction
- •11.2.2 Surgery
- •11.3 Summary
- •References
- •12: Diabetic Retinopathy
- •12.1 Introduction
- •12.2 Diabetic Retinopathy
- •12.2.1 Introduction
- •12.2.1.1 Diabetic Retinopathy Grading
- •12.2.2 Diabetic Vitreous Haemorrhage
- •12.2.3 Progression to Vitreous Haemorrhage and Tractional Retinal Detachment
- •12.2.3.1 Clinical Features
- •12.2.3.2 Surgery
- •12.2.4 Diabetic Retinal Detachment
- •12.2.4.1 Clinical Features
- •12.2.4.2 Surgery
- •12.2.4.3 Tractional Retinal Detachment
- •12.2.4.4 Peroperative Panretinal Photocoagulation
- •12.2.4.6 Bimanual Surgery
- •12.2.4.7 Dealing with Bleeding Vessels
- •12.2.4.8 Iatrogenic Breaks
- •12.2.4.9 Silicone Oil
- •12.2.4.10 Combined TRD and RRD
- •12.2.5 Postoperative Complications
- •12.2.5.1 Vitreous Haemorrhage
- •12.2.5.2 Rhegmatogenous Retinal Detachment
- •12.2.5.3 Iris Neovascularisation
- •12.2.5.4 Phthisis Bulbi
- •12.2.5.5 Maculopathy
- •12.2.5.6 Survival After Surgery
- •12.2.6 Success Rates
- •12.2.7 Diabetic Maculopathy
- •References
- •13: Other Vascular Disorders
- •13.1 Introduction
- •13.2 Retinal Vein Occlusion
- •13.2.1 Chorioretinal Anastomosis
- •13.2.2 Arteriovenous Decompression
- •13.2.3 Radial Optic Neurotomy
- •13.2.4 Intravitreal Steroid and Anti-VEGF Agents
- •13.2.5 Tissue Plasminogen Activator
- •13.3 Sickle-Cell Disease
- •13.3.1 Introduction
- •13.3.2 Types of Sickle-Cell Disease
- •13.3.3 Systemic Investigation
- •13.3.4 Inheritance and Race
- •13.3.5 Systemic Manifestations
- •13.3.6 Ophthalmic Presentation
- •13.3.7 Laser Therapy
- •13.3.8 Surgery
- •13.3.9 Visual Outcome
- •13.3.10 Screening
- •13.3.11 Survival
- •13.4 Retinal Vasculitis
- •13.5 Central Retinal Artery Occlusion
- •13.6 Summary
- •References
- •14: Trauma
- •14.1 Introduction
- •14.3 Contusion Injuries
- •14.3.1 Clinical Presentation
- •14.3.2 Types of Retinal Break
- •14.3.2.1 Dialysis
- •14.3.2.2 Pars Ciliaris Tears
- •14.3.2.3 Ragged Tear in Commotio Retinae
- •14.3.2.4 Giant Retinal Tears
- •14.3.3 Surgery
- •14.3.4 Visual Outcome
- •14.4 Rupture
- •14.4.1 Clinical Presentation
- •14.4.2 Surgery
- •14.4.3 Visual Outcome
- •14.5 Penetrating Injury
- •14.5.1 Clinical Presentation
- •14.5.1.1 Endophthalmitis
- •14.5.1.2 Retinal Detachment
- •14.5.2 Surgery
- •14.5.3 Visual Outcome
- •14.6 Trauma Scores
- •14.7 Intraocular Foreign Bodies
- •14.7.1 Clinical Presentation
- •14.7.1.1 Diagnostic Imaging
- •14.7.2 IOFB Materials
- •14.7.3 Surgery
- •14.7.4 The Primary Procedure
- •14.7.5 PPV: The Anterior Segment
- •14.7.5.1 The Lens
- •14.7.6 PPV: The Posterior Segment
- •14.7.7 The Magnet
- •14.7.8 Visual Outcome
- •14.7.9 Siderosis
- •14.8 Perforating Injury
- •14.9 Sympathetic Ophthalmia
- •14.10 Proliferative Vitreoretinopathy
- •14.11 Phthisis Bulbi
- •14.12 When Not to Operate
- •14.12.1 At Presentation
- •14.12.2 Postoperatively
- •14.13 Summary
- •References
- •15.1 Introduction
- •15.2 Dropped Nucleus
- •15.2.1 Clinical Features
- •15.2.2 Surgery
- •15.2.2.1 Primary Management
- •15.2.2.2 Vitrectomy Surgery
- •15.2.2.4 Success Rates
- •15.3 Intraocular Lens Dislocations
- •15.3.1 Clinical Presentation
- •15.3.2 Surgery
- •15.3.2.1 Removal of the IOL
- •15.4 Surgical Options for the Aphakic Eye
- •15.4.1 McCannell Sutured IOL
- •15.4.2 Iris-Clip IOL
- •15.4.3 Haptic Capture Method
- •15.4.4 Anterior Chamber IOL
- •15.4.5 Sutured Posterior Chamber IOLs
- •15.4.6 The Aphakic and Aniridic Eye
- •15.5 Postoperative Endophthalmitis
- •15.5.1 Clinical Features
- •15.5.2 Surgery
- •15.5.2.1 Vitreous Tap
- •15.5.2.2 Vitreous Biopsy
- •15.5.3 Infective Organisms
- •15.5.4 Antibiotics
- •15.5.5 The Role of Vitrectomy
- •15.5.6 Success Rates
- •15.6 Chronic Postoperative Endophthalmitis
- •15.7 Needlestick Injury
- •15.7.1 Clinical Features
- •15.7.2 Surgery
- •15.8 Intraocular Haemorrhage
- •15.9 Retinal Detachment
- •15.10 Chronic Uveitis
- •15.11 Postoperative Cystoid Macular Oedema
- •15.12 Postoperative Vitreomacular Traction
- •15.13 Postoperative Choroidal Effusion
- •15.13.1 External Drainage
- •15.14 Summary
- •References
- •16: Uveitis and Allied Disorders
- •16.1 Introduction
- •16.2 Non-infectious Uveitis of the Posterior Segment
- •16.2.2 Retinal Detachment
- •16.2.3 Cystoid Macular Oedema
- •16.2.4 Hypotony
- •16.2.5 The Vitreous Biopsy
- •16.2.6 Sampling at the Beginning of a PPV
- •16.2.6.1 Special Situations
- •16.3 Acute Retinal Necrosis
- •16.3.1 Clinical Features
- •16.3.2 Surgery
- •16.3.2.1 For Diagnosis
- •16.3.2.2 For Treatment
- •16.3.3 Visual Outcome
- •16.4 Cytomegalovirus Retinitis
- •16.4.1 Clinical Features
- •16.4.2 Surgery
- •16.4.2.1 For Diagnosis
- •16.4.2.2 For Treatment
- •16.4.3 Visual Outcome
- •16.5 Fungal Endophthalmitis
- •16.5.1 Clinical Features
- •16.5.2 Surgery
- •16.5.2.1 For Diagnosis
- •16.5.2.2 For Treatment
- •16.5.3 Visual Outcome
- •16.6 Other Infections
- •16.6.1 Clinical Features
- •16.6.2 Surgery
- •16.6.2.1 For Diagnosis
- •16.6.2.2 Chorioretinal Biopsy
- •16.6.2.3 For Treatment
- •16.6.3 Visual Outcome and Survival
- •16.7 Paraneoplastic Retinopathy
- •16.8 Summary
- •References
- •17: Miscellaneous Conditions
- •17.1 Vitrectomy for Vitreous Opacities
- •17.2 Vitreous Anomalies
- •17.2.1 Persistent Hyperplastic Primary Vitreous
- •17.2.2 Asteroid Hyalosis
- •17.2.3 Amyloidosis
- •17.3 Retinal Haemangioma and Telangiectasia
- •17.4 Optic Disc Anomalies
- •17.4.1 Optic Disc Pits and Optic Disc Coloboma
- •17.4.2 Morning Glory Syndrome
- •17.5 Retinochoroidal Coloboma
- •17.6 Marfan’s Syndrome
- •17.7 Retinopathy of Prematurity
- •17.8 Uveal Effusion Syndrome
- •17.8.1 Clinical Features
- •17.8.2 Surgery
- •17.9 Terson’s Syndrome
- •17.10 Disseminated Intravascular Coagulation
- •17.11 Retinal Prosthesis
- •17.12 Summary
- •References
- •Glossary of Abbreviations
- •Others in Database
- •Appendices
- •Useful Formulae and Rules
- •Cryotherapy
- •Fluids (i.e. Both Gases and Liquids)
- •Gases
- •Liquids
- •Ultrasound
- •Diffusion and Viscosity
- •Visual Acuity
- •Diffusion
- •Fick’s Law
- •Stokes-Einstein
- •Darcy’s Law
- •Starling’s Law
- •Index
Index
A |
Anti-VEGF agents, RVO |
Acute retinal necrosis (ARN) |
bevacizumab, 297, 300 |
cytomegalovirus, 372 |
CMO, 297, 300 |
development, 372 |
CRVO, 297, 300 |
EBV, 373 |
cystoid macular oedema, 295 |
herpes zoster, 373 |
intravitreal steroid injection, 297 |
infiltration and vasculitis, 373 |
iris neovascularisation, 301 |
optic nerve, 386 |
radial optic neurotomy, 297 |
peripheral white lesions, 372 |
steroid stabilises, 297 |
prognosis, 365 |
triamcinolone, 298, 299 |
retinal detachment, 366, 372 |
Aphakic eye |
steroid therapy, 372 |
and aniridic eye, 350–351 |
surgery, 366 |
anterior chamber IOL, 349 |
Age-related eye disease study (AREDS), 255, 256 |
haptic capture method, 348–349 |
Age-related macular degeneration (ARMD) |
iris-clip IOL, 348 |
AREDS scoring system, 256 |
McCannell sutured IOL, 348 |
classification, fluorescein angiography, 256 |
sutured posterior chamber IOLs, 349 |
defined, 255 |
AREDS. See Age-related eye disease study (AREDS) |
movement, retina, 261 |
ARMD. See Age-related macular degeneration (ARMD) |
OCT, 255 |
ARN. See Acute retinal necrosis (ARN) |
pneumatic displacement, subretinal haemorrhage, 258–259 |
Arteriovenous decompression, 296–297 |
situations, surgery, 257 |
Asteroid hyalosis, 393 |
surgery, failed anti-VEGF therapy |
|
description, 259 |
|
macular translocation, 259–261 |
B |
and vitreous haemorrhage, 257–258 |
Behcet’s disease, 102 |
Amyloidosis, vitreous, 393 |
Binocular indirect ophthalmoscope (BIOM), 7–8 |
Anaesthesia |
BIOM. See Binocular indirect ophthalmoscope (BIOM) |
advantages and disadvantages, 17 |
Branch retinal vein occlusion (BRVO), 295, 296 |
blockade, 23 |
Bruch’s membrane, 5, 15 |
description, 23 |
BRVO. See Branch retinal vein occlusion (BRVO) |
intravitreal injection, 58 |
|
povidone-iodine and topical anaesthetic, 23 |
|
visual experience, patient’s, 23 |
C |
Anterior chamber (AC), silicon oil |
CART. See Classification and regression tree (CART) |
defect, zonule, 72 |
Central retinal artery occlusion (CRAO), 306 |
refill, posterior chamber, 71 |
Central retinal thickness (CRT), 15 |
Anterior segment surgery |
Central retinal vein occlusion (CRVO), 90, 295, 296, 297, 298, 301, 306 |
aphakic eye (see Aphakic eye) |
CHARGE syndrome, 400 |
cataract, 343 |
Chorioretinal anastomosis, 296 |
choroidal effusion, 359–360 |
Choroidal haemorrhage |
chronic postoperative endophthalmitis, 355 |
peroperative complications, 37 |
chronic uveitis, 358–359 |
postoperative complications, 41 |
cystoid macular oedema, 359 |
PPV and inferior buckle, 37 |
dropped nucleus, 343–347 |
Choroidal neovascular membranes (CNVs) |
intraocular haemorrhage, 357–358 |
ARMD (see Age-related macular degeneration (ARMD)) |
IOL dislocations, 347–348 |
fluorescein angiogram, PIC, 264 |
needlestick injury, 355–357 |
Foster-Fuch’s spot, fovea, 264 |
postoperative endophthalmitis (see Endophthalmitis) |
myopic, 264 |
retinal detachment, 358 |
presumed ocular histoplasmosis, 262 |
vitreomacular traction, 359 |
RPE, 262 |
vitreoretinal procedures, 361 |
serous elevation, 265 |
T.H. Williamson, Vitreoretinal Surgery, |
419 |
DOI 10.1007/978-3-642-31872-6, © Springer-Verlag Berlin Heidelberg 2013
420 |
Index |
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Choroidal neovascular membranes (CNVs) (cont.) spontaneous idiopathic type 2, 262, 263 surgery, 265
Chronic postoperative endophthalmitis, 355 Chronic RRD, 117
Chronic uveitis, 358–359
Classification and regression tree (CART), 328, 329 Cloquet’s canal
posterior hyaloid membrane, 2 tubular condensation, 1–2 vitreous haemorrhage, 3
CMO. See Cystoid macular oedema (CMO)
CNVs. See Choroidal neovascular membranes (CNVs) Coat’s disease
macula, 394 peripheral lesion, 394
progression, exudation, 394
spectrum, retinal vascular anomalies, 395 Contusion injuries
angle recession, 311 corneal staining, 313 elasticated cord, 314 fovea, 315 hyphaema, 310
iris root dialysis, 310 lens dislocation, 313
pigmentary changes and OCT, 314
PVR membranes and inferior retinectomy, 313 rapid-onset cataract, 311
retinal break, 316–318 squash ball, 312, 313 subretinal haemorrhage, 312 sunflower cataract, 311 surgery, 318–322 transretinal fibrosis, 313 traumatic macular, 316 ultrasound, 313
visual outcome, 322 vitreous haemorrhage, 313 zonular dehiscence, 311
CRAO. See Central retinal artery occlusion (CRAO) CRT. See Central retinal thickness (CRT)
CRVO. See Central retinal vein occlusion (CRVO)
Cystoid macular oedema (CMO), 206, 297, 300, 301, 359, 367 Cytomegalovirus (CMV) retinitis
diagnosis, 376 ganciclovir implant, 376 HAART, 375 treatment, 376
visual recovery, 380
D
DACE. See Drainage air cryotherapy and explant (DACE) Diabetic maculopathy
cystoid macular oedema, 290 ERM, 291
massive subretinal exudation, 291 OCT, 291
retinopathy, 290 subfoveal fluid, 289 vitrectomy, 290
Diabetic retinal detachment anti-VEGF pretreatment, 283 bimanual surgery, 284 bleeding vessels, 285–286
contraction, neovascular membranes, 276
iatrogenic breaks, 286–287 PRP, 283
RRD and TRD, 288 screening, 276 silicone oil, 288 stenosis, 277 surgery, 277
tangential traction, 276 traction, 277
TRD, 272–276
vitreous detachment, 276 Diabetic retinopathy
C3F8 gas, 289
detachment (see Diabetic retinal detachment) grading, 269
iris neovascularisation, 289 laser photocoagulation, 269
maculopathy (see Diabetic maculopathy) neovascularisation, 270
NVD, 270
panretinal photocoagulation, 270 phthisis bulbi, 289
rhegmatogenous retinal detachment, 289 subfoveal fluid, 289
TRD (see Tractional retinal detachment (TRD)) visual improvement, 289
vitreous (see Vitreous)
Diabetic Retinopathy Study (DRS), 272 Disseminated intravascular coagulation, 408 Drainage air cryotherapy and explant (DACE)
air insertion, 153–154 choroidal/subretinal haemorrhage, 154 fluid vitreous loss, 155
rates, 152
retinal incarceration, 154 SRF drainage, 152–153
Dropped nucleus, anterior segment surgery difficult situations, 347
features, 343–344 management, 345 surgical steps, 344–345 visual outcome, 347
vitrectomy surgery, 345–346
DRS. See Diabetic Retinopathy Study (DRS) Dyes, retinal surgery, 58
E
Early Treatment Diabetic Retinopathy Study (EDTRS), 272 EBV. See Epstein–Barr virus (EBV)
EDTRS. See Early Treatment Diabetic Retinopathy Study (EDTRS)
ELM. See External limiting membrane (ELM) Endolaser
absorption, laser wavelengths, 33 adhesion, retina, 32–33 continuous burns, 33
fibre optic, 32 intensity, 33
lasering haemorrhage, 33
panretinal photocoagulation (PRP), 33 peripheral retina, 33
YAG lasers, 32
yellow and diode lasers, 32 Endophthalmitis
antibiotics, 353
ciliary body malignant melanoma, 355
Index |
421 |
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features, 351–352 hypopyon, 354
infective organisms, 352–353 vitrectomy, 353
vitreous tap and biopsy, 352 Endotamponade
heavy oils, 204
silicone oil/perfluoropropane gas, 203–204 Epiretinal membrane (ERM)
bent MVR blade, 249 causes, macula pucker, 242 cellophane, pseudohole, 243 extensive and traction, 246
FFA, parafoveal telangiectasia causing, 396 lamellar macular holes, 221
macula, 244
parafoveal telangiectasia causing, 397 pegs, attachment, 248
recurrent, 252 removal, 251 RRD, 245–246
separation, 241, 245 sickle-cell disease, 246
thickening and wrinkling, retina, 242 trypan blue, staining, 249
visual recovery, 221 Epstein–Barr virus (EBV), 380
ERM. See Epiretinal membrane (ERM) Examination technique
Amsler charts, 17 BIOM, 7–8
electronic patient record, 6–7 indenter, 8
lenses, characteristics, 7
OCT (see Optical coherence tomography (OCT)) preoperative assessment, 17
slit lamp, 7
ultrasonography (see Ultrasonography) visual acuity, 7
Watzke Allen test, 17
External limiting membrane (ELM), 235
F
FD-OCT. See Frequency-domain OCT (FD-OCT) FF-OCT. See Full-field OCT (FF-OCT)
Fick’s diffusion equation, 61, 63 Flat retinal breaks
cryotherapy, 121–122 laser, 122–123 retinopexy, 121, 122
Frequency-domain OCT (FD-OCT), 13 Full-field OCT (FF-OCT), 13
Fungal endophthalmitis
acute myeloid leukaemia, 379
Aspergillus, 378 Candida, 377 CNV, 379 diagnosis, 378–379 heroin, 377–378 PHM, 379
puff balls, 378 rating, PPV, 378 RRD, 376
systemic antifungal therapy, 379 treatment, 378
visual recovery, 377
G
Gases, internal tamponade absolute pressure, eye, 68 AC, 66
anaesthesia, 69
anterior ischaemic optic neuropathy, 66 break closure, 61–62
cataract, 64
drawing, visual phenomena, 64 insertion, gases, 62, 67 intraocular gas bubble, 62 IOP, 63, 64
loss, gas bubble, 64–66 pars plana vitrectomy, 67
pressure changes, normal-sized eye, 68 principles, 61
properties, 63 refraction, 64
suprachoroidal or subretinal spaces, 66 surgical steps, 61
vision, 64
20 Gauge vitrectomy angled wound, 46
conjunctival wounds, 45, 46 construction, superior sclerotomies, 45 flow rates, 52
non-sealing sclerotomies, 46 peroperative complications, 53 postoperative retinal break formation, 54 sclerotomies, priming, 45
self-sealing sclerotomies, 45–46 silicone oil, 52, 53
steps, adjustments, 44 23 Gauge vitrectomy
advantages and disadvantages, 54 flow rates, 52
insertion, 23 G unsutured canula, 49 instrumentation, 48–49
rubbing, 45-degree wound, 50 silicone oil, 52, 53
steps, adjustments, 47–48 surgical technique, 49–50 10/0 suture, 50
trochar internal protrusion, 52 two-step procedure, 48, 49
25 Gauge vitrectomy
advantages and disadvantages, 54 chandelier light pipe insertion, 51 flexibility, 51
flow rates, 52 indentation, 51–52 instrumentation, 48 internal search, 51
one-way trochar system, 48 peroperative complications, 53 silicone oil, 52, 53
steps, adjustments, 47–48 sutureless vitrectomy, 51 trochar internal protrusion, 52
Giant retinal tear (GRT) definition, 168
Stickler’s syndrome, 168–171 surgery
endotamponade, 174 heavy liquids, 172 insertion, silicone oil, 174 retinopexy, 173
422 |
Index |
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Giant retinal tear (GRT) (cont.) silicone oil removal, 174
trans-scleral illumination technique, 174 vitrectomy, 174
GRT. See Giant retinal tear (GRT)
H
HAART. See Highly active antiretroviral therapy (HAART) HD OCT. See High-definition optical coherence tomography
(HD OCT)
High-definition optical coherence tomography (HD OCT) cystoid spaces, 218
grade 2 macular hole, 217, 218
Highly active antiretroviral therapy (HAART), 375 HPMC. See Hydroxymethylcellulose (HPMC) Hydroxymethylcellulose (HPMC), 25, 35 Hypotony
CMO, 367 macula, 365
peroperative complications, 39, 43 polyclonal white cells, 370 posterior layers, eye, 368 postoperative complications, 43 uveitic process, 368
vitrectomy, 369
I
ILM. See Internal limiting membrane (ILM) Indirect viewing system (IVS)
BIOM, 26
vs. contact lenses, 26 Eibos, 26 examination, 34 independent, 25–28 pupillary dilation, 35 rotation, 25 structure, 26
Indocyanine green (ICG) nasal visual field loss, 234 RPE toxicity, 227
Inner and outer segment (IS/OS) junction, 15 Internal limiting membrane (ILM)
blue staining, 229 early hole closure, 230 ICG, 227
nerve fibre layer, 224 paracentral scotoma, 225 postoperative macular holes, 229 trypan blue, 228
visualisation, macula, 229 Internal tamponade
gases (see Gases, internal tamponade)
silicone oil (see Silicone oil, internal tamponade) Intraocular foreign bodies (IOFB)
alloy metals, 330 blunt injury, 331 chalcosis, 332
diagnostic imaging, 331–332
diffuse illumination and transillumination, 330 endophthalmitis and vitritis, 332
fibroblast proliferation, 331 hitting nail gun pellets, 333 magnet, 336
orbital air-gun pellet, 333 phacoemulsification cataract surgery, 329
posterior segment damage, 330 PPV, 335–336
procedure, 334 siderosis, 332, 337 surgery, 334
visual outcome, 336–337 whitened reaction, 330
Intraocular lens (IOLs). See also Aphakic eye accommodation, 56
Berger’s space, 79 biometry systems, 233 cataract extraction, 233
combined PPV and phako, 55 condensation, 35 dislocations
prosthetic, 347 surgery, 347–348
gas bubble, 68
grade 4 macular hole, 232 oil droplet, 77 phacoemulsification, 55 pseudophakic eyes, 73
Intraocular pressure (IOP)
anterior ischaemic optic neuropathy, 66 elevation, 64
phakic/pseudophakic eyes, 74 phthisis bulbi, 339
trabecular meshwork, 74
IOFB. See Intraocular foreign bodies (IOFB) IOLs. See Intraocular lens (IOLs)
IOP. See Intraocular pressure (IOP) Iris neovascularisation, 289
IVS. See Indirect viewing system (IVS)
L
Laser therapy, 303–305 Lymphoma
B-cell, 383 intraocular, 384 ocular, 380
M
Macula off/on retinal detachment, 120–121 Macular hole
ELM, 235
foveal disruption, 214 grading system, 213 high-definition OCT, 215 lamellar and partial
ERM, 220
OCT, 221 resolution, 221
visual improvement, 221 macular disorders, 209 microplasmin, 236 neuroretina, 210 operculum, tissue, 211 PHM, 222
PPV, 222 reoperation, 235–236 retina dehiscence, 218
secondary macular holes, 220 spontaneous closure, 213, 217 surgery, 222–234
symptomatic retinal pathology, 209
Index |
423 |
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symptoms, 211 temporal, fovea, 225 visual field loss, 234 vitreal traction, 215 vitreous separation, 210
Watzke–Allen test, 211–212
Macular pucker and vitreomacular traction cataract surgery, 246
cellophane maculopathy, 240 chronic shallow elevation, retina, 245 damage, macula, 251
diffuse membrane, 239 distortion, 251
epiretinal membrane, 242, 243
ERM (see Epiretinal membrane (ERM)) idiopathic epiretinal membrane formation,
macula, 239 lesion, macular striae, 245 membrane recurrence, 251
myopic postoperative refraction, 250 phacocataract surgery, 247
rates, 250
removal, membrane, 248 retinal tear and detachment, 250 sergery, 248–249
vitreous shrinkage, posterior hyaloid membrane, 245 Marfan’s syndrome, 404
Micro vitreoretinal (MVR) blade aphake/pseudophake, 25 ERM, 249
20-gauge surgery, 248 Mild PVR
contraction, 196 posterior retina, 196, 197 rating, surgery, 196 silicone oil, 196
trypan blue dye, 196 Moderate PVR
proliferative process, 196 retinectomy, 196
Morning glory syndrome oil and heavy liquid, 402 retinal elevation, 402
subarachnoid and subretinal space, 401 MVR. See Micro vitreoretinal blade (MVR) MVR blade. See Microvitreoretinal (MVR) blade
N
Needlestick injury features, 355–357 surgery, 357
Neovascularisation elsewhere (NVE), 272 Neovascularisation of the disc (NVD), 270 Non-drain procedure, RRD
limbal conjunctival perimetry, 142 operative stages
break indentation, cryotherapy probe, 143 freezing, 143
hooking, superior rectus, 142 indentation mark, external sclera, 144 internal indent, cryotherapy scar, 147 leakage, subretinal fluid, 145 penetration, choroid, 145
penetration, suprachoroidal space, 145 peripheral retina, 143
placement, plombage, 146
retinal perforation, 145 scleral suture, 145
sling, extraocular muscles, 142 sutures placement, 144 tension, sutures, 146
U tear, 143 visualisation, break, 144
peroperative complications, 148 postoperative care, 148 postperative complications
astigmatism, 149 explant infection, 148
indentation, external plombage creation, 152 sequence, OCTs, 150, 151
SRF, 149 rating, 142
Non-infectious uveitis CMO, 365
Eales’ disease, 364 hypotony, 367–370 intermediate uveitis, 364 PPV, 370
retinal detachment, 363 sarcoidosis, 364
slit lamp beam, cells detect, 363
subretinal exudation and epiretinal membranes, 364 sympathetic uveitis, 365
vitreous biopsy, 370
debris and cells, 365 opacification, 366 TRD/RRD, 365
Vogt–Koyanagi–Harada syndrome, 364, 365 NVD. See Neovascularisation of the disc (NVD) NVE. See Neovascularisation elsewhere (NVE)
O
OCT. See Optical coherence tomography (OCT) Ocular trauma score (OTS), 328
Optical coherence tomography (OCT) central retinal thickness (CRT), 15
CNV membranes and fluid detection, 255 colour coding, 13
description, 11 examination, 15
external limiting membrane (ELM), 16 FD-OCT, 13
FF-OCT, 13
higher-resolution scanning, 11–12 images and measurements, 15 IS/OS junction, 15–16
lasers incoherence, 12 machinery, 12
macular scan patterns, 15 microperimetry, 16 ophthalmic imaging, 11 pigmentary changes, 17 postoperative, 251 reference laser, 12 resolution, scan, 13, 15 scan and devices, 14
SD-OCTs (see Spectral domain OCTs (SD-OCTs)) segmentation, 12
TD-OCT (see Time-domain OCTs (TD-OCTs)) thickening and wrinkling, ERM, 242
vitreous separation, 220, 222
424 |
Index |
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Optic disc anomalies gas injection, 399
macular retinoschisis, 398 morning glory syndrome, 401 patient, flat fovea, 399
pits and coloboma, 399 retinal detachment, 402
Optic disc coloboma CHARGE syndrome, 400 pit maculopathy, 400
pneumatic retinopexy and vitrectomy, 398 renal hypoplasia and mutation, PAX2, 401 retinal adhesion, 401
vitreous cavity and subretinal space postoperatively, 401 Optic disc pits, 399–401
OTS. See Ocular trauma score (OTS)
P
Panretinal photocoagulation (PRP), 272, 283, 285, 288 Paraneoplastic retinopathy, 387
Pars plana vitrectomy (PPV)
advantages and disadvantages, retinopexy, 128–129 anterior segment, 335
autofluorescence, RPE cells, 137 avoidance, retinal folds, 131 BIOM system, 25, 26
Candida endophthalmitis, 378 cataract, 231
and combined cataract extraction, 56 cutter settings, 23
detachment, vitreous, 28–29 displacement, retina, 137 draping and sterility, 23 droplet, heavy liquid, 138 dry tap, 370
elevation, macula, 137 filling, gas, 140, 141 gas insertion, retina, 131
haemorrhage and visual axis, 366 heavy liquids, 130
hypotony, 135 indentation, 127
independent viewing system, 25–28 inferior buckle indentation, 135 inferior buckle, vitrectomised eye, 134 infusion cannula and checking, 24 infusion fluid, 370
insertion, heavy liquid, 134 insertion, lens, 27
intraocular pellet, slow-release steroid, 371 IVS, 25–26
laser, 140–141
left vitreous biopsy, 379 macular fold, 139 magnification, 27 neutral distance, IVS, 27
objective lens and microscope, distance, 28 ocular lymphoma, 385
operations, 23
optimum use, Oculus BIOM, 26 orientation, lens, 127
PHM, 366
pigment, otic nerve, 140
placement, solid silicone explant, 134 posterior and inferior breaks, 132 posterior segment, 335–336
postoperative folding, retina, 139 posturing, 141
PVR, 132–133 rating, RRD, 127
refractive index and myopic shift, 28 removal, heavy liquids, 130–131 repair, RRD, 126, 138
retinal folding, 137–139 reversion, incarceration, 136 sclerotomies, 24
SRF, 129–130
superior sclerotomies, 25 surgery, eyes, 140
tear, laser retinopexy, 135 toxoplasmosis chorioretinitis, 381 treatment, macular hole, 236 ultrasound, hypotonous eye, 136 U-shaped tear, 127
vitreous and retina, incarceration, 136
PDRR. See Planned delayed relieving retinotomy (PDRR) Penetrating injury
cilia, 326 endophthalmitis, 326 projectiles, 325
retinal detachment, 326–327 sharp instruments, 325 surgery, 327–328
visual outcome, 328
Perfluorocarbon liquids (PFCLs), 69, 78, 83, 84, 86 Perforating injury, 338
Peroperative complications avoidance, 39
choroidal haemorrhage, 37–38 conjunctival chemosis, 53 diabetic surgery, detachment, 36 endophthalmitis, 53–54 extrusion, trochar, 53
hypotony, 39, 43
iatrogenic retinal breaks, 36 lens touch, 38–39
sources, bleeding, 38
Persistent hyperplastic primary vitreous, 393 PFCLs. See Perfluorocarbon liquids (PFCLs) Phacoemulsification procedure, 55
PHM. See Posterior hyaloid membrane (PHM) Phthisis bulbi, 289, 325, 328, 339
Planned delayed relieving retinotomy (PDRR), 205 Posterior hyaloid membrane (PHM)
detachment process, 222 nerve fibre layer, 224 optic disc, 222, 223 PVD induction, 223
traction, opposite retina, 224 vitreous detachment, 223
Posterior vitreous detachment (PVD) defined, 89
detection, 93 erythrocytes, 94 flashes
characteristics, 92–93 ‘lightning streaks’, 92 photopsia, 92 presentations, 93
floaters, 91
forward displacement, 93 haemorrhage, 94, 95 ophthalmoscopy, 94–95
Index |
425 |
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peripheral retinal degenerations age-related macular, 97 Cobblestone degeneration, 98 inferotemporal peripheral retina, 97 lattice, 97
retinal break formation, 96–97 plasmin injection, 90
retinal tears, 95–96 Shafer’s sign, 93–94
syneresis, lacuna formation, 89 tears
clot, fabrin, 112 retinal break, 111, 112 retinal tear, 112 U-shaped tear, 112
and vitreoretinal conditions, 90 Weiss ring, 90
Postoperative complications cataract formation, 40 choroidal haemorrhage, 41 corneal endothelial changes, 41 endophthalmitis, 40
fibrin, 44 hypotony, 43
iatrogenic break formation, 20 gauge, 54
IOP, 41
retinal breaks and RRD, 41–42 scleritis, 43
sympathetic uveitis, 43–44
PPV. See Pars plana vitrectomy (PPV) Proliferative vitreoretinopathy (PVR) chronic retinal detachment, 195
grading
CP2, 191, 192 CP4, 192 CP12, 192, 193
grade A PVR, 191, 192 partial-thickness wrinkling, 191 retinal folds, 190
retinal tear, 190, 191 RPE cells, 190 RRD, 190
subretinal band, fibrosis, 195 subretinal fibrosis, 195
ocular trauma, 189 pathogenesis, 190
recurrent retinal detachment, 66 RRD, 189
silicone oil, 69
subretinal band, fibrosis, 194 surgery, 196–206
PRP. See Panretinal photocoagulation (PRP) PVD. See Posterior vitreous detachment (PVD) PVR. See Proliferative vitreoretinopathy (PVR)
R
Radial optic neurotomy (RON), 297 Radial retinotomy, 200
Removal of silicone oil (ROSO), 202 Retina
blood vessels, 5 Bruch’s membrane, 5 choroid, 5
cones, 3 embryology, 3
ganglion cells, 5 intermediary neurones, 4 Muller cells, 3 photoreceptor layer, 4 RPE, 3
stratified structure, 4 types, 3
Retinal breaks
choroidal ruptures, 317 commotio retinae, 316 dialysis, 316
giant retinal tears, 316 high-velocity projectile, 317 macular oedema, 317
pars ciliaris tears, 316
pigment epithelial changes, 318 traumatic macular hole, 318
Retinal dialysis
dialysis and PVR, 167 giant retinal dialysis, 167
inferotemporal and superonasal, 165 ophthalmoscopy and indentation, 165 par ciliaris tear, 167–168
surgery cryotherapy, 166 diplopia, 167 optic nerve, 166 plombage, 166
Retinal haemangioma and telangiectasia Coat’s disease, 394–395
dragged disc, 398 ERM, 397
Leber’s miliary aneurysms, 397
macular exudation and optic nerve head angioma, 396 peripheral angioma, indentation, 396
VHL, 395
Retinal pigment epithelium (RPE) adhesion, 6
function, 3, 262 ionic flow, 6
principle, retinal translocation, 259 pumps, 6
rotation, retina, 261 Retinal prosthesis, 408 Retinal tears, PVD
atrophic round holes, 96 paravascular, 96 progression, detachment, 96 U tears, 95–96
Retinal vasculitis, 306 Retinal vein occlusions (RVO)
arteriovenous decompression, 296–297 blockage, 295
chorioretinal anastomosis, 296 intravitreal steroid and anti-VEGF agents,
297–301 RON, 297 TPA, 301
Retinectomies
catastrophic folding, 206 inferior retina, 206 scarring, 199
Retinochoroidal coloboma congenital, 402
fovea, 401
retinal detachment, 402 Retinopathy of prematurity (ROP), 404
426 |
Index |
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Retinoschisis
chronic rhegmatogenous retinal detachment, 179 coloboma, 183
fluid accumulation, 182 infantile retinoschisis, 177–178 macular retinoschisis, 177 retinal detachment, 179–180 retinal neuroepithelium, 176 schisis RRD, 182
schitic retina, 177 senile retinoschisis, 179
Rhegmatogenous retinal detachments (RRDs) age-related, 163
anterior segment signs, 117 aphakic, 163
ARN, 374
atopic dermatitis, 184 atrophic hole, 164 break patterns, 120 causes, failure, 156 changes, RPE, 116
choroidal effusions, 157–158 chronic inferior, 117 congenital cataract, 184 demarcation, 114
dialysis, retina, 165–168 formation, retinal break, 155 GRT, 168–174
inferior retina, 113 inferotemporal dialysis, 316 juvenile retinal detachment, 184 lattice degeneration, 113 macula off/on, 120–121 macular holes, 157
phacoemulsification cataract extraction, 163 pneumatic retinopexy, 155
pseudophakic, 164 PVD formation, 366 rates, 155–156
Redo vitreous-attached surgery, 157 Redo vitreous-detached, 157 refractive surgery, 184
removal, explant, 158–159 retinal cyst, 114, 115
retinal detachment, high myopes, 174–176 retinoschisis, 11
RPE hypertrophy and atrophy, 114 scleral buckling procedures, 163 signs, vitreous, 117–118
silicone oil injection and subsequent removal, 380 slit-lamp camera, 114
speck, oxalate, 116
SRF (see Subretinal fluid (SRF)) subretinal bands, 115
surgery
break closure, 124–125
DACE (see Drainage air cryotherapy and explant (DACE)) flat retinal breaks, 121–123
modification, fluid currents, 125–126
non-drain procedure (see Non-drain procedure, RRD) pneumatic retinopexy, 155
PPV (see Pars plana vitrectomy (PPV)) principles, 124
redetachment, 156–157 relief, traction, 125 retinopexy, 126
SRF, 123 superior bull, 124
tears, PVD, 111–113 TRD, 365
tuberculosis retinitis, 382 tuberculous panuveitis, 383 vitreal traction, 113 vitreoretinal adhesions, 168 vitreous separation, 222 white flecks, 116
white spots, outer retina, 116
RON. See Radial optic neurotomy (RON) ROP. See Retinopathy of prematurity (ROP) RPE. See Retinal pigment epithelium (RPE)
RRD. See Rhegmatogenous retinal detachments (RRDs) Rupture, trauma
anterior incarceration site, 323 automobile air bag, 323
choroidal and vitreous haemorrhage, 322 crystalline lens and prolapse, 322 extraocular muscles, 323
PPV, 324 surgery, 324–325 ultrasound, 323
visual outcome, 325 vitreous gel, 324
S
Schwartz’s syndrome, 117
SD-OCTs. See Spectral domain OCTs (SD-OCTs) Severe PVR
flat macula, 199 rating, surgery, 198
relieving retinectomy, 199–200 silicone oil insertion, 198 vitrectomy, 198
Shaken baby syndrome, 102 Sickle-cell disease
asymptomatic patient, 302 atrophic macular hole, 303 description, 301
hypoxia stimulating neovascularisation, 302 inheritance and race, 302
laser therapy, 303–305 macula, 302
retinal tear, 303 screening, 306 surgery, 305
systemic investigation, 302 systemic manifestations, 302 types, 302
visual outcome, 305–306 Siderosis, 332, 337
Silicone oil, internal tamponade
AC (see Anterior chamber (AC), silicon oil) capsule opacification, 73
cataract, 73 cornea, 75 emulsion, 78, 79 heavy liquids
droplets, 85 PFCLs, 84
removal, emulsified oil, 86 retina, incarceration, 86 subfoveal, 86
Index |
427 |
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subretinal, 85
two-way cannula, insertion, 85 heavy silicone oils, 82–83 inferior edge, 77
IOLs, 78 IOP, 74–75
Light’ heavy liquids, 86 macular toxicity, 75
oil droplet, 77 properties, 69–70 refractive changes, 72–73 removal
AC, aphakic patient, 80 band keratopathy, 81 cannula, 79, 80 cataract extraction, 82 complications, 80
corneal scar, decompensation, 81 emulsion, oil, 79, 80, 86 keyhole capsulectomy, 81, 82 lens, eye, 81
rating, 82
retinal redetachment, 82 ROSO plus operation, 82 Tenon’s layer, 80
retina manipulation, oil insertion, 69 subconjunctival oil, 76
subretinal oil, 76, 77
Spectral domain OCTs (SD-OCTs) description, 13
devices, 14
scan resolution, 13 Stickler’s syndrome
arthropathy, 168, 169
flattened nasal bridge, 168, 169 high-arched palate, 168, 169 lattice degeneration, 168, 170 retinal tear, 168, 171
vitreous veils, 168, 170 Subretinal bands
bimanual, 204 unimanual, 204 Subretinal fluid (SRF)
anterior break, 119 drainage, 133, 152–153 failure, laser retinopexy, 123 fovea, 120
inferotemporal, 119 referral procedure, 119
separation, neuroepithelium, 118 Sympathetic ophthalmia, 339
T
TD-OCTs. See Time-domain OCTs (TD-OCTs) Terson’s syndrome, 102, 103, 105, 407 Time-domain OCTs (TD-OCTs)
first-generation, 12 macula, 13 principles, 13
Tissue plasminogen activator (TPA), 301 TPA. See Tissue plasminogen activator (TPA) Tractional retinal detachment (TRD)
anti-VEGF injections, 273 bimanual surgery, 282 B-scan ultrasound, 273
‘burnt out’ retinopathy, 279 causes, vitreous haemorrhage, 272 characterization, 281
cortical gel and posterior hyaloid, 278 demographic information, 272 diabetic vitreous haemorrhage, 274
dissection, membranes and insertion, 281 DRS and EDTRS, 272
ERM and avoidance, retinal tear, 280 indicators, 273
macula, 279 neovascularisation, 274, 275 NVE, 272
optic nerve, 278 pancreatic transplant, 275 PHM, 278, 280, 282 posterior hyaloid, 280 principles, 274
PRP, 277
PVD, 272
retinal break, 276 retinoschisis, 280
retrohyaloid haemorrhage, 272 rhegmatogenous, 278 scissors, 279
subhyaloid blood, 273 taut peripheral gel, 278 vascular arcades, 273 vitreoschisis, 282
Trauma
CART, 328, 329 classification, 309–310
contusion injuries (see Contusion injuries) description, 309
intraocular foreign bodies (see Intraocular foreign bodies) IOP, 339
OTS, 328
penetrating injury, 325–328 perforating injury, 338 phthisis bulbi, 339
PVR, 339
rupture (see Rupture, trauma) solid choroidal haemorrhage, 339 sympathetic ophthalmia, 339 ultrasonography, 11
TRD. See Tractional retinal detachment (TRD)
U
Ultrasonography abnormalities, 9–10 B-scan ultrasound, 8, 9 cataract, 11
choroidal effusions, 11
colour Doppler ultrasound, 9–11 description, 8
Doppler, 9–11 echoes/clumps, 9 elevation, choroidal, 11 examination, 8–9 frequencies, 8 haemorrhage, choroidal, 11 PVD, 10
retinal detachment, 10 retinal tear, 10 retinoschisis, 11
428 |
Index |
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Ultrasonography (cont.) sinuous mobility, 10 sound travels, 8
subretinal haemorrhage, 11 and time-domain OCT, 12 trauma, 11
vitreous haemorrhage, 3 Uveal effusion syndrome
choroidal elevation, 405 Coat’s disease, 406 deep sclerectomy, 407
exudative retinal detachment, 406 familial exudative vitreoretinopathy, 398 leopard spots, 406
macular changes, 406 ‘ring melanoma’, 405
Uveitis
acute relapse, acute lymphocytic leukaemia, 386 ARN, 372–375
chorioretinal biopsy, 385 CMV retinitis, 375–376
cytology, vitreous in infectious and non-infectious, 383 detachment and retinal tear, 374
diagnosis, 385
fungal endophthalmitis, 377–380 intravitreal steroid, posterior, 381 low-dose radiotherapy, 383 lymphoma, 383–384
ocular toxoplasmosis, 382 paraneoplastic retinopathy, 387 PCR, 374
posterior segment, 363–371 PPV, ocular lymphoma, 385 retinal and choroidal biopsy, 386 RRD, 382
thickening, 384 toxoplasmosis, 374, 380 treatment, 385
tuberculous panuveitis, 383
tuberculous uveitis and secondary vitreous haemorrhage, 381 visual recovery, 386
V
Vascular endothelial growth factor (VEGF). See Anti-VEGF Very severe PVR
laser retinopexy, 202 rating, surgery, 202 subretinal band, 202, 203
tamponading effect, silicone oil, 203 VHL. See von Hipple–Lindau (VHL) Vitrectomy
cutters efficiency, 30 flow rate, 30
guillotine action, 30 high-speed cutters, 30 instrumentation, 28 MVR, 25
settings, 23, 30 vitreous opacities
nuisance, floaters tolerable, 391 PPV, 392
PVD, 392 Vitreoretinal surgery
anaesthesia, 23
23 and 25 gauge vitrectomy, 47–53 biometry, 56–57
blood, anterior chamber, 35 cataract formation, 35
chandelier systems and bimanual surgery, 57–58 closure, 35–36
collagen metabolism, 6 combined surgery, 56 concentration fluorescein, 36 contact lens, 33–34
corneal epithelium, 35 direction, nerve fibres, 6 dyes, 58
endolaser, 32–33 fluid flow, 35
20 gauge vitrectomy (see 20 Gauge vitrectomy) internal search, 31–32
intraocular pressure, 36 intravitreal injections, 58–59 IOL, condensation, 35
IVS, 34
light pipe, handling, 30–31 microscope, 34
nerve fibre layer orientation, 6 ora serrata, 5–6
osmotic pressure, 6
peroperative complications (see Peroperative complications) phacoemulsification procedure, 55
posterior hyaloid membrane, 6–7
postoperative complications (see Postoperative complications) PPV (see Pars plana vitrectomy (PPV))
preoperative check, 22 pupillary dilation, 35
retinal pigment epithelium, 6 sclerotomy plugs, 31
setup, PPV, 22
slow release preparations, 59 standard footpedal arrangement, 22 transconjunctival cannulas, 52 vitrectomy cutters, 30
Vitreous anatomy, 1–2 anomalies
amyloidosis, 393 asteroid hyalosis, 393
persistent hyperplastic primary vitreous, 393 attachments, 2
base, 2 biopsy, 370
Cloquet’s canal, 2, 3 embryology, 1 haemorrhage
aetiology, 102 Behcet’s disease, 102 defined, 101
determination, aetiology, 103 diabetic retinopathy, 271 diffusion, vitreous gel, 101 erythroclastic glaucoma, 103 haemolysis, 102 management, 106 neovascularisation, 271 nondiabetic, 106
preretinal, 104 retrohyaloid/ubhyaloid/preretinal, 104 subhyaloid, 103, 104
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subretinal, 105 surgery, 107
and TRD( see Tractional retinal detachment (TRD)) ultrasound, 105
vitrectomy, 108–109 lattice degeneration, 2 opacification
PHM, 379
retinal vasculitis, 366
secondary epiretinal membrane, 366 visual recovery, 366
physiology, 5
posterior hyaloid membrane, 2 posterior vitreous detachment, 2 Weigert’s ligament, 2
Vogt–Koyanagi–Harada syndrome, 364, 365 von Hipple–Lindau (VHL)
isolated retinal angiomas, 396 large angioma, 395
PVR formation, 397 retinal complications, 396 small angioma, 395
vitreoretinal traction, lesion, 396
W
Watzke–Allen test
discrimination, macular holes, 17 grade 1B hole, 212
grade 1 hole, 211 loss of vision, 211
patterns, abnormality, 213 Weigert’s ligament, 2
Y
YAG lasers. See Yttrium aluminum garnet (YAG) lasers Yttrium aluminum garnet (YAG) lasers, 32
