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eISSN: 2719-3209
ISSN: 0023-2157
Klinika Oczna / Acta Ophthalmologica Polonica
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4/2005
vol. 107
 
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abstract:
Review paper

The role of retinal oxygen metabolism in origin of age-related macular degeneration (AMD)

Michał Nowak
1
,
Witold Gnitecki
1
,
Piotr Jurowski
1

  1. Z Kliniki Okulistyki i Rehabilitacji Wzrokowej Uniwersyteckiego Szpitala Klinicznego nr 2 im. WAM Uniwersytetu Medycznego w Łodzi
Klinika Oczna 2005, 107 (4): 715-718
Online publish date: 2005/12/18
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Age-related macular degeneration (AMD) is the leading cause of visual loss in individuals over 60 years old, in developed countries. This article provides the latest information about the role of retinal oxygen metabolism in origin of that disease. It is considered that reactive oxygen species (ROS), including free radicals are responsible for apoptotic cell death and developing of pathological changes in AMD. Exposure to visible light induces dysfunction of retinal pigment epithelial cells, accumulation of lipoprotein aggregates in Bruch’s membrane, formation of drusen, and final results are damage to photosensitive retina, which leads to AMD. There are many of antioxidant systems in retina, which protect tissue from ROS. In this review we focus on their actions in terms of mechanisms of preventing oxidative damage and their potential role in therapy of AMD. There is strong evidence suggesting the supporting role of the nutritional antioxidant supplementation and protection from exposure to the visible light in the prevention and treatment of age-related macular degeneration.
keywords:

age-related macular degeneration, reactive oxygen species, antioxidants

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