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macular degeneration

noun, Ophthalmology.
degeneration of the central portion of the retina, resulting in a loss of sharp vision. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for macular-degeneration

macular degeneration

pathological changes in the macula lutea, resulting in loss of central vision: a common cause of blindness in the elderly
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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macular-degeneration in Medicine

macular degeneration n.
Degeneration of the macula lutea characterized by spots of pigmentation and causing a reduction or loss of central vision.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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macular-degeneration in Science
macular degeneration
A progressive condition, usually seen in the elderly, characterized by a gradual loss of vision in the central area of the visual field and eventual blindness.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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