Macular Degeneration
Forms, & Symptoms
cross section of the human eye
macular degeneration, group of blinding disorders that cause the gradual deterioration of the retina in the eye. The central region of the retina contains the macula lutea, which receives focused incoming light and is responsible for providing acute vision. The macula is found in humans, higher primates, and chameleons. The loss of neurons in the macula causes decreased sensitivity in the centre of the visual field; peripheral vision is usually retained.
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