Lens internal curvature effects on age-related eye model and lens paradox

Giovanzana, S., Evans, T. and Pierscionek, B. ORCID: 0000-0002-8661-6353, 2017. Lens internal curvature effects on age-related eye model and lens paradox. Biomedical Optics Express, 8 (11), p. 4827. ISSN 2156-7085

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Abstract

The gradient index (GRIN) model is the most accurate way to represent the eye lens which, because of its growth mode, is a lamellar, shell-like structure. The GRIN is thought to provide optical properties that counteract age-related changes in curvature that would otherwise create an increasingly myopic eye: the so-called lens paradox. This article investigates how fine-tuning the refractive index and the internal curvatures of the lenticular indicial contours may prevent the ageing eye from becoming myopic. A system matrix approach is applied for analysis of a shell model with 200 shells to obtain the paraxial characteristics of the eye model.

Item Type: Journal article
Publication Title: Biomedical Optics Express
Creators: Giovanzana, S., Evans, T. and Pierscionek, B.
Publisher: Optical Society of America
Date: 2017
Volume: 8
Number: 11
ISSN: 2156-7085
Identifiers:
NumberType
10.1364/BOE.8.004827DOI
Divisions: Schools > School of Science and Technology
Depositing User: Linda Sullivan
Date Added: 09 Oct 2017 09:43
Last Modified: 09 Oct 2017 09:43
URI: http://irep.ntu.ac.uk/id/eprint/31803

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