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Chapter-07 Intraocular Lens Selection: Choice of Material and Design

BOOK TITLE: Pediatric Cataract Surgery

Author
1. Ram Jagat
2. Brar Gagandeep Singh
ISBN
9788180619182
DOI
10.5005/jp/books/10596_7
Edition
1/e
Publishing Year
2007
Pages
10
Author Affiliations
1. Postgraduate Institute of Medical Education and Research, Chandigarh, India, Post Graduate Institute of Medical Education and Research, Chandigarh, India, Advanced Eye Centre, Postgraduate Institute of Medical Education and Research, Chandigarh, Advanced Eye Centre, Postgraduate Institute of Medical Education and Research, Chandigarh, India, Postgraduate Institute of Medical Education and Research Chandigarh, India, Advanced Eye Centre, Postgraduate Institute, of Medical Education and Research, Chandigarh, Post Graduate Institute of Medical Education and Research, Chandigarh, PGI, Chandigarh, India
2. Postgraduate Institute of Medical, Education and Research, Chandigarh, India, Postgraduate Institute of Medical Education and Research, Chandigarh, India, Grewal Eye Institute, Chandigarh, PGI, Chandigarh (India), PGI, Chandigarh, India, Advanced Eye Centre, Postgraduate Institute, of Medical Education and Research, Chandigarh
Chapter keywords

Abstract

As an IOL in a child’s eye must stay for several decades without biodegradation, until recently, rigid PMMA IOLs have been used most commonly due to longest track record and established safety. Heparin surface modified PMMA IOLs have also been preferred for use in children as it has less inflammatory reaction and cell deposits on IOL optic. All-PMMA, single piece IOLs for capsular bag has an overall diameter of 11-12 mm with an optic size 5.5 to 6.0 mm and anterior haptic angulation 5° to 10°. The smaller incision required for implantation of foldable lenses is more practical as it produces least astigmatism and allows better maintenance of anterior chamber. Among the foldable IOLs used for children, hydrophobic acrylic IOLs are most suitable and are the second most common IOL type used for pediatric cataract surgery after PMMA IOLs. Silicone IOLs are best avoided in children.

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