- •Preface to the fourth edition
- •Preface to the first edition
- •Applied anatomy
- •Applied physiology
- •Physical properties of materials
- •Manufacture of lenses
- •References
- •Slit lamp
- •Keratometers and autokeratometers
- •Corneal topographers
- •Anterior segment photography
- •Specialist instruments for higher magnification
- •Other instruments
- •References
- •Further reading
- •Legal implications
- •Record cards
- •Clinical grading
- •Computerization of patient records
- •References
- •Further reading
- •Hygienic procedures to avoid cross-infection
- •Solutions and drugs
- •Decontamination and disinfection of trial lenses
- •In case of accident
- •Other procedures
- •Insertion and removal by the practitioner
- •References
- •Further reading
- •Discussion with the patient
- •Indications and contraindications
- •Advantages and disadvantages of lens types
- •Visual considerations
- •External eye examination
- •Patient suitability for lens types
- •References
- •The tear film
- •Dry eyes
- •Assessment of tears
- •Contact lens signs
- •Treatment and management
- •Contact lens management
- •References
- •Rigid gas-permeable lenses
- •Polymethyl methacrylate
- •Soft lenses
- •Silicone hydrogels
- •Biocompatible lenses
- •Silicone lenses
- •References
- •Basic principles of rigid lens design
- •Forces controlling design
- •Concept of edge lift
- •Tear layer thickness
- •Lid attachment lenses
- •Interpalpebral lenses
- •References
- •Introduction
- •Current bicurve, tricurve and multicurve designs
- •Current aspheric lenses
- •Reverse geometry lenses
- •References
- •Introduction
- •Back optic zone radius (BOZR)
- •Total diameter (TD)
- •Back optic zone diameter (BOZD)
- •Peripheral curves
- •Lens design by corneal topographers
- •Recommended reading
- •Use of fluorescein
- •Examination techniques
- •Fitting
- •Correct fitting
- •Flat fitting
- •Steep fitting
- •Astigmatic fitting
- •Peripheral fitting
- •References
- •Advantages and disadvantages of aspherics
- •Aspheric designs
- •Principles of fitting
- •Fluorescein patterns compared with spherical lenses
- •References
- •International Standards
- •Examples of rigid lens types and fittings
- •Rigid lens verification
- •Tolerances
- •References
- •Historical
- •Current approach
- •Reverse geometry lenses
- •Clinical appearance of reverse geometry lenses
- •Corneal topography
- •Fitting routine
- •References
- •Further reading
- •Fitting considerations
- •Corneal diameter lenses
- •Semi-scleral lenses
- •Reference
- •Characteristics of a correct fitting
- •Characteristics of a tight fitting
- •Characteristics of a loose fitting
- •Summary of soft lens fitting characteristics
- •Lens power
- •Lens flexibility and modulus of elasticity
- •Additional visual considerations
- •Thin lenses
- •Aspheric lenses
- •Spun-cast lenses
- •Unusual lens performance
- •References
- •Frequent replacement lenses
- •Disposable lenses
- •Types of disposable lens
- •Fitting disposable lenses
- •Aftercare with disposable lenses
- •Practice management
- •Other uses for disposable lenses
- •References
- •Fitting disposable silicone hydrogels
- •Fitting custom made silicone hydrogels
- •Complex lenses
- •Dispensing silicone hydrogels
- •Aftercare
- •References
- •Further reading
- •International standards and tolerances1
- •Soft lens specification (Tables 20.1, 20.2)
- •Soft lens verification
- •References
- •Physiological requirements
- •Approaches to extended wear
- •Patient selection
- •Soft lens fitting and problems
- •Rigid gas-permeable fitting and problems
- •Other lenses for extended wear
- •Long-term consequences of extended wear
- •References
- •Residual and induced astigmatism
- •Patient selection
- •Lens designs
- •Methods of stabilization
- •Fitting back surface torics
- •Fitting bitorics
- •Compromise back surface torics
- •Fitting front surface torics
- •Fitting toric peripheries
- •Computers in toric lens fitting
- •References
- •Patient selection
- •Stabilization
- •Lens designs
- •Fitting
- •Fitting examples
- •References
- •Patient selection
- •Monovision
- •Presbyopic lens designs
- •Fitting rigid multifocals and bifocals
- •Fitting soft bifocals
- •References
- •Lens identification
- •Tinted, cosmetic and prosthetic lenses
- •Fenestration
- •Overseas prescriptions
- •Contact lenses and sport
- •References
- •Components of solutions
- •Solution for soft lenses
- •Disinfection
- •Solutions for rigid gas-permeable lenses
- •Compliance and product misuse
- •References
- •Lens collection
- •Insertion and removal
- •Suggested wearing schedules
- •General patient advice
- •First aftercare visit
- •Visual problems
- •Wearing problems
- •Aftercare at yearly intervals or longer
- •References
- •Emergencies and infections
- •Grief cases (drop-outs)
- •Side effects of systemic drugs
- •Lens ageing
- •References
- •Refitting PMMA wearers
- •Prescribing spectacles for contact lens wearers
- •Rigid lens modification
- •Management
- •Instrumentation
- •Non-therapeutic fitting
- •Refractive applications
- •Therapeutic applications
- •References
- •High myopia and hypermetropia
- •Keratoconus
- •Aphakia
- •Corneal grafts (keratoplasty)
- •Corneal irregularity
- •Albinos
- •Combination lenses
- •Silicone rubber lenses
- •Bandage lenses
- •Additional therapeutic uses
- •References
- •Appendix 1
- •Journals
- •Teaching resources
- •Professional
- •General interest
- •Technology
- •Investigative techniques
- •Ophthalmology
- •Glossary
- •Index
Appendix 2 Useful contact lens internet sites
Journals
ACTA OPHTHALMOLOGICA SCANDINAVICA www.blackwellpublishing.com/journal.asp?ref=1395-3907
CONTACT LENS SPECTRUM www.clspectrum.com
CONTACT LENS & ANTERIOR EYE
(formerly: J of the Brit CL Assoc) www.intl.elsevierhealth.com/journals/clae/
CLINICAL & EXPERIMENTAL OPHTHALMOLOGY http://www.blackwell-synergy.com/loi/ceo
CLINICAL & EXPERIMENTAL OPTOMETRY www.optometrists.asn.au/ceo www.blackwellpublishing.com/journal.asp?ref=0816-4622
EYE & CONTACT LENS
(formerly the CLAO Journal) http://www.claojournal.org
INVESTIGATIVE OPHTHALMOLOGY
www.iovs.org For faster access outside North America use: http:// intl.iovs.org
NZ OPTICS www.nzoptics.co.nz
In Contact (a column by a very experienced and erudite contact lens practitioner)
OPTICIAN www.opticianonline.net
OPTOMETRIC MANAGEMENT www.optometric.com
©2010 Elsevier Ltd, Inc, BV
DOI: 10.1016/B978-0-7506-7590-1.00049-2
Appendix 2 Useful contact lens internet sites
OPTOMETRY TODAY
www.optometry.co.uk
OPTOMETRY AND VISION SCIENCE
www.optvissci.com
REVIEW OF OPTOMETRY ONLINE
www.revoptom.com
REVIEW OF OPHTHALMOLOGY ONLINE
www.revophth.com
SILICONE HYDROGELS WEBSITE
www.siliconehydrogels.org
Teaching resources
www.ophthalmic.hyperguides.com
Free registration is required. A wide range of teaching materials is available. Topics offered lean towards the ophthalmological.
BLINKING EXERCISES www.andrewgasson.co.uk/info_blinking CUSTOMISED JOURNAL ALERTS www.amadeo.com www.informaworld.com
GLOBAL CONTACT WEBSITE www.gclabsite.com
The Interesting Web sites section is a comprehensive listing of the URLs of most relevant contact lens-related entities arranged under logical headings.
GP LENS INSTITUTE WEBSITE AND SYMPOSIA www.rgpli.org
INTERNATIONAL ASSOCIATION OF CONTACT LENS EDUCATORS www.iacle.org
List of useful links NON-REFEREED PAPERS ReferenceSight: CCLRU, U Waterloo www.referencesight.com
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Appendix 2 Useful contact lens internet sites
REFEREED PAPERS SEARCH
www.pubmed.gov
Professional
GENERAL OPTICAL COUNCIL
www.optical.org
COLLEGE OF OPTOMETRISTS
www.college-optometrists.org
ASSOCIATION OF OPTOMETRISTS
www.aop.org
General interest
BRITISH CONTACT LENS ASSOCIATION www.bcla.org.uk
Members site CONTACT LENS TODAY
cltoday@iwwvisioncare-media.com Good for all the news
GENERAL NEWS ALERTS and INFORMATION www.pconsupersite.com
GAS PERMEABLE LENSES http://www.gpli.info NEW SCIENTIST
http://www.newscientist.com/home.ns PATENT ALERTS www.freshpatents.com
Technology
www.slashdot.org (a website for enthusiasts) http://www.digg.com (an alternative website for enthusiasts)
www.theregister.com.uk (a very British alternative website for enthusiasts)
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Appendix 2 Useful contact lens internet sites
www.theinquirer.org (another website for enthusiasts)
www.dpreview.com (an excellent digital camera website, latest news, reviews)
Dry eye
www.dryeyeinfo.org
Investigative techniques
www.staininggrid.com
Ophthalmology
Medscape & Medscape Ophthalmology MedPulse
To subscribe, visit: https://profreg.medscape.com/px/newsletter.do and indicate your own area(s) of interest.
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