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What is macular degeneration?
What is macular degeneration?
31.07.2014, 13:16
Rank: 7
This month:
Macular degenerationis a disorder that affects the macula the central part of the eyes retina causing eyesight reduction and possibly central eyesight loss. Macula its the part of the retina which allows the eye to see the details in the central visual area. Macular degeneration is a result of the partial tear of the retinal epithelium pigment ERP. ERP isolates retina from choroid the blood vessels area behind the retina.ERP has the role of a filter, which determines what nutritive substances reach the retina going through choroid. Many of the blood compounds have a novice effect on the retina and the ERP keep them away from it. The rupture of ERP infers with retinas metabolism, causing its thinning of retina, this being known as dry phase in macular degeneration. As a result the central eyesight is lost but peripheral visual areas usually remain intact.
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