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macular degeneration
noun
: progressive deterioration of the macula resulting in a gradual loss of the central part of the visual field
especially
: age-related macular degeneration
Examples of macular degeneration in a Sentence
Recent Examples on the Web
In one of the two main forms of macular degeneration, light-sensitive cells in the macula get damaged as cellular debris accumulates around them.
—Ben Coxworth, New Atlas, 18 Jan. 2025
According to the American Kennel Club (AKC), vision loss in older dogs can stem from conditions like cataracts, glaucoma, macular degeneration, or hypertension, which may lead to retinal detachment.
—Kevin Lynn, Newsweek, 8 Jan. 2025
Wet macular degeneration treatment The following treatments for wet macular degeneration are from information developed by the National Eye Institute.
—Ed Masley, The Arizona Republic, 5 Dec. 2024
In its early stages, macular degeneration typically does not have any symptoms.
—Vanessa Caceres, Verywell Health, 21 Nov. 2024
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Word History
First Known Use
1902, in the meaning defined above
Time Traveler
The first known use of macular degeneration was
in 1902
Dictionary Entries Near macular degeneration
Cite this Entry
“Macular degeneration.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/macular%20degeneration. Accessed 29 Jan. 2025.
Medical Definition
macular degeneration
noun
: progressive deterioration of the macula of the eye resulting in a gradual loss of the central part of the visual field
especially
: age-related macular degeneration
More from Merriam-Webster on macular degeneration
Britannica.com: Encyclopedia article about macular degeneration
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