macular degeneration


Definition of macular degeneration 

: 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

Patients with certain chronic eye diseases, like glaucoma and macular degeneration, typically either use inefficient eyedrops or have to get injections directly into their eyes. Kiona N. Smith, Ars Technica, "Delivering drugs directly to the eye using microneedles that dissolve," 9 Nov. 2018 Another SuperAger, Finegan is hard of hearing and has macular degeneration in both eyes but otherwise is astonishingly healthy. Judith Graham,, "An Active Social Life May Be A Secret To Brain Health," 1 June 2018 Unity Biotech is also working toward clinical trials of drugs for glaucoma, macular degeneration and diabetic neuropathy — all considered diseases of aging. Melissa Healy,, "This drug cocktail reduced signs of age-related diseases and extended life in mice and human cells," 10 July 2018 One of the most dramatic examples of the dangers emerged after U.S. Stem Cell Clinic’s treatment of three elderly women suffering from vision loss caused by macular degeneration. Ron Hurtibise,, "U.S. senator presses for answers about Sunrise-based stem cell clinic," 26 Apr. 2018 The zeaxanthin is protective against cataracts and macular degeneration. Sheah Rarback, miamiherald, "Ubiquitous mangos taste good - and are good for you, too," 29 June 2018 About 30 years ago Egly began slowly losing his eyesight to macular degeneration, and lost his eyesight completely about five years ago, said his wife, Jane Egly. Sonali Kohli,, "Paul Egly, judge who oversaw Los Angeles school integration, dies at 97," 1 July 2018 With age people can develop macular degeneration (which is the light-sensitive nerve tissue in the eye), and using sunglasses may protect these photoreceptors from UV damage. Adam Hurly, GQ, "This Is Why You Need to Wear Sunglasses," 23 June 2018 Cataracts and macular degeneration can take years to develop, but there can also be short-term dangers of the tiny sunglasses trend. Amanda Gardner,, "Why Those Tiny Sunglasses Celebs Love Aren't Actually Good for Your Eyes," 13 June 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'macular degeneration.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of macular degeneration

1918, in the meaning defined above

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Last Updated

27 Nov 2018

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The first known use of macular degeneration was in 1918

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More Definitions for macular degeneration

macular degeneration


Medical Definition of macular degeneration 

: 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

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