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Ординатура / Офтальмология / Английские материалы / Biomaterials and regenerative medicine in ophthalmology_Chirila_2010

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x Contents

15Development of tissue-engineered membranes for the culture and transplantation of retinal pigment

 

epithelial cells

390

 

A. S. L. Kwan, T. V. Chirila and S. Cheng, Queensland Eye

 

 

Institute, Australia

 

15.1

Introduction

390

15.2

The scale of the problem of age-related macular

 

 

degeneration

391

15.3

Retinal pigment epithelium–Bruch’s membrane complex

 

 

and the effect of ageing

391

15.4

Summary of the aetiology and management of age-related

 

 

macular degeneration

394

15.5

Retinal pigment epithelium transplantation from animals

 

 

to human

395

15.6Biomaterials for retinal pigment epithelium cell culture

 

and transplantation

396

15.7

Conclusions and future trends

403

15.8

Acknowledgements

403

15.9

References

404

Part III Other applications

 

16

Hydrogel sealants for wound repair in ophthalmic

 

 

surgery

411

 

M. Wathier and M. W. Grinstaff, Boston University, USA

 

16.1

Introduction

411

16.2

Background and clinical needs

411

16.3

Hydrogel sealants

415

16.4

Short commentary on future trends

428

16.5

Sources of further information and advice

429

16.6

Acknowledgements

429

16.7

References

430

17

Orbital enucleation implants: biomaterials and design

433

 

D. A. Sami, Children’s Hospital of Orange County, USA; S. R. Young,

 

 

California Pacific Medical Center, USA

 

17.1

Introduction

433

17.2

Historical perspective on enucleation

434

17.3

Orbital anatomy and physiology after enucleation

436

17.4

Motility implants

440

17.5

Porous implants

448

17.6

Trends in pediatric enucleation

455

 

Contents

xi

17.7

Gaps in scientific knowledge and future trends

458

17.8

Sources of further information and advice

462

17.9

References

462

18

Selected polymeric materials for orbital reconstruction

473

 

E. Wentrup-Byrne and K. George, Queensland University of

 

 

Technology, Australia

 

18.1

Introduction

473

18.2

Repair strategies

475

18.3

Nature of the trauma and its influence on material choice

476

18.4

Choice of materials for repair

477

18.5

Non-biodegradable polymers

479

18.6

Biodegradable and bioresorbable polymers

487

18.7The future: composite materials, bone regeneration and

 

tissue engineering

491

18.8

References

491

19

Physicochemical properties of hydrogels for use in

 

 

ophthalmology

496

 

B. J. Tighe, Aston University, UK

 

19.1

Introduction

496

19.2

Water in hydrogels: effects of monomer structure

497

19.3

Effect of hydrogel water content on properties

504

19.4

Modified hydrogels

515

19.5

References

520

 

Index

525

xii

xiii

Contributor contact details

(*= main contact)

Chapter 1

Chapter 3

T. V. Chirila

L. Werner

Queensland Eye Institute

Intermountain Ocular Research

41 Annerley Road

Center

South Brisbane

John A. Moran Eye Center

Queensland 4101

University of Utah

Australia

65 Mario Capecchi Drive

E-mail: traian.chirila@qei.org.au

Salt Lake City

UT 84132

 

USA

Chapter 2

E-mail: liliana.werner@hsc.utah.edu

 

D. Morrison, B. Klenkler,

 

D. Morarescu and H.

Chapter 4

Sheardown*

 

School of Biomedical Engineering

M. D. M. Evans*

and Department of Chemical

Biomedical Materials and

Engineering

Regenerative Medicine Group

McMaster University

CSIRO Molecular and Health

1280 Main St West

Technologies

Hamilton

11 Julius Avenue

ON

North Ryde

Canada

Sydney

L8S 4L7

New South Wales 2113

E-mail: sheardow@mcmaster.ca

Australia

 

 

E-mail: meg.evans@csiro.au

xiv Contributor contact details

D. F. Sweeney

Vision CRC and Institute for Eye Research

Rupert Myers Building Sydney

New South Wales 2052 Australia

Chapter 5

M. A. Princz and H. Sheardown*

Department of Chemical

Engineering

McMaster University

1280 Main St West.

Hamilton ON

Canada

L8S 4L7

E-mail: sheardow@mcmaster.ca

M. Griffith

University of Ottawa

550 Cumberland Street

Ottawa ON

Canada

K1N 6NS

Chapter 6

S.Proulx, M. Guillemette, P. Carrier, F. A. Auger and L. Germain*

Departments of Oto-Rhino- Laryngology and Ophthalmology, Surgery, Laboratoire d’Organogénèse Expérimentale (LOEX), Centre de recherche FRSQ du CHA universitaire de Québec

Laval University QC

Canada

GIS 4L8

E-mail lucie.germain@chg.ulaval.ca

C. J. Giasson

School of Optometry

Research Unit in Ophthalmology

Montréal University

Montréal QC

Canada

H3T IJ4

M. Gaudreault and S. L. Guérin Unité de recherche en

neurosciences, Centre de recherche du CHUQ, Pavillon CHUL

Departments of Oto- Rhino-Laryngology and Ophthalmology, Anatomy and Physiology

Laval University QC

Canada

G1V OA6

Chapter 7

J. T. Jacob

Department of Ophthalmology and

Neuroscience

Louisiana State University Health

Sciences Center

2020 Gravier St, Suite B

New Orleans

LA 70112

USA

E-mail: jjacob@lsuhsc.edu

Chapter 8

T.V. Chirila*, L. W. Hirst, Z. Barnard and Zainuddin

Queensland Eye Institute 41 Annerley Road South Brisbane Queensland 4101 Australia

E-mail: traian.chirila@qei.org.au

D. G. Harkin

Queensland University of

Technology

2 George St

Brisbane

Queensland 4000

Australia

I. R. Schwab

University of California, Davis

One Shields Avenue

Davis

CA 95616

USA

Contributor contact details

xv

Chapter 9

A. Gwon

University of California, Irvine

1401 Avocado Avenue

Suite 903

Newport Beach

CA 92660

USA

E-mail: agwon@uci.edu

Chapter 10

T.Goda, T. Shimizu and K. Ishihara*

Departments of Materials Engineering and Bioengineering

Center for NanoBio Integration The University of Tokyo 7-3-1 Hongo, Bunkyo-ku Tokyo 113-8656

Japan

E-mail: ishihara@mpc.t.u-tokyo.ac.jp

Chapter 11

N. Efron*

Institute of Health and Biomedical

Innovation

Queensland University of

Technology

60 Musk Avenue, Kelvin Grove

Queensland 4059

Australia

E-mail: n.efron@qut.edu.au

xvi Contributor contact details

P.B. Morgan and C. MaldonadoCodina

The University of Manchester

Moffat Building

Sackville Street

Manchester M60 1QD

UK

N. A. Brennan

Brennan Consultants Pty Ltd

110 Auburn Rd

Auburn Village

Melbourne 3122

Australia

Chapter 12

B. J. Tighe

Biomaterials Research Unit

School of Engineering and Applied

Science

Aston University

Birmingham

B4 7ET

UK

E-mail: b.j.tighe@eggconnect.net

Chapter 13

K. E. Swindle-Reilly*

Department of Energy,

Environmental, and Chemical

Engineering

Washington University in St Louis

3507 Lindell Blvd

St Louis

MO 63103

USA

N. Ravi

Veterans Affairs Medical Center

Departments of Ophthalmology and

Visual Sciences and of Energy,

Environmental, and Chemical

Engineering

Washington University in St Louis

Campus Box 8096

St Louis

MO 63110

USA

E-mail: nathan.ravi@med.va.gov

Chapter 14

G. A. Limb* and J. S. Ellis

UCL Institute of Ophthalmology

Division of Ocular Biology and

Therapeutics 11–43 Bath Street

London

ECIV 9EL

UK

E-mail g.limb@ucl.ac.uk

Chapter 15

A.S. L. Kwan*, T. V. Chirila and S. Cheng

Queensland Eye Institute

41 Annerley Road

South Brisbane

Queensland 4101

Australia

E-mail: tony.kwan@qei.org.au

E-mail: kswindle@wustl.edu

Contributor contact details xvii

Chapter 16

Chapter 18

M. Wathier and M. W. Grinstaff*

E. Wentrup-Byrne* and K. George

Departments of Biomedical

Tissue Repair and Regeneration

Engineering and Chemistry

Program & School of Physical

Metcalf Center for Science and

and Chemical Sciences

Engineering

Queensland University of

Boston University

Technology

Boston

2 George St

MA 02215

GPO Box 2434

USA

Brisbane

E-mail: mgrin@bu.edu

Queensland 4001

Australia

Chapter 17

E-mail: e.wentrupbyrne@qut.edu.au

 

D. A. Sami

Chapter 19

Pediatric Ophthalmology and

 

Strabismus

B. J. Tighe

Children’s Hospital of Orange

Biomaterials Research Unit

County (CHOC)

School of Engineering and Applied

455 South Main Street

Science

Orange

Aston University

CA 92868

Birmingham

USA

B4 7ET

E-mail: DSami@CHOC.org

UK

 

 

E-mail: b.j.tighe@eggconnect.net

S. R. Young

 

California Pacific Medical Center

 

Residency Program in

 

Ophthalmology

 

San Francisco, California

 

USA

 

xviii

xix

Foreword

Biomaterials can be synthetic or biological polymers, metals, ceramics or glasses. In ophthalmology, biomaterials are mostly synthetic polymers and some biopolymers. Nevertheless, ceramics and glasses have been used in prosthetic eyeballs. A metal, titanium and a glass-ceramic have been used in keratoprostheses. Silicon, a metalloid, is used in retinal prostheses. This metalloid is also used in organosilicon polymers such as the silicones, i.e. polysiloxane backbone (O—Si—O—Si—O—), and acrylic or vinyl polymers, i.e. carbon–carbon backbone, with side branches comprising tri-siloxane moieties. Biomaterials are selected from commercial materials or specially made materials, according to the physicochemical, biological and physiological properties suitable for the specific ophthalmic application.

Nearly half a century ago, when I, a chemist without experience in medical research, joined The Ophthalmic Plastics Laboratory at the Massachusetts Eye & Ear Infirmary, affiliated to Harvard Medical School, in Boston, USA, the polymer mainly used in ophthalmology was a medical-grade poly(methyl methacrylate) (PMMA), used in corneal or scleral contact lenses, intraocular lenses and keratoprostheses. Silicone rubber was used for glaucoma implants and in scleral buckling implants for retinal reattachment surgery. At that time, there were a relatively small number of scientists, engineers and medical doctors, working in academic or in industrial environments in a field that has expanded with the passage of time into the present interdisciplinary field of ‘biomaterials’, with numerous subspecialties, including, of course, ophthalmic biomaterials. Nowadays, there are Societies for Biomaterials in several countries, with numerous members, and several journals dealing with biomedical materials and the relatively new field of tissue engineering. Biomaterials have contributed and continue to contribute to the growth of numerous industries dealing with medical and surgical devices and, most importantly, to advances in medical procedures with devices that give patients a better quality of life, and in some cases prolong their life. The importance of biomaterials in the advances of ophthalmology and optometry is remarkable, as the reader will find in this book. The chapters by its editor, Traian Chirila, and his collaborators, and those of the outstanding group of contributors to