Retinal Photodamage

Overview

Journal J Photochem Photobiol B

Specialty Biology

Date 2001 Dec 18

PMID 11744401

Citations 110

Authors

M Boulton

M Rozanowska

B Rozanowski

Affiliations

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Abstract

The retina represents a paradox, in that, while light and oxygen are essential for vision, these conditions also favour the formation of reactive oxygen species leading to photochemical damage to the retina. Such light damage seems to be multi-factorial and is dependent on the photoreactivity of a variety of chromophores (e.g., vitamin A metabolites, lipofuscin, melanin, flavins, porphyrins, carotenoids) endogenous to the retina. The aim of this article is to provide a detailed review of our current understanding of the photochemistry and photobiology of these chromophores and to consider how they may contribute to retinal ageing and pathology.

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