macular degeneration

noun

: progressive deterioration of the macula resulting in a gradual loss of the central part of the visual field

Examples of macular degeneration in a Sentence

Recent Examples on the Web
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And Science, a startup developing a retinal implant to restore vision to patients blinded by late-stage macular degeneration, raised a $230 million Series C in March 2026 with participation from Khosla Ventures, Lightspeed Venture Partners, Y Combinator, IQT, and Quiet Capital. Shimite Obialo, Forbes.com, 1 June 2026 The optometrist first gained recognition in 1969 for pioneering ultraviolet (UV) and blue-light–absorbing lens technology, which has helped reduce the risk of cataracts and macular degeneration worldwide. Sofia Baltodano, Miami Herald, 20 May 2026 Taking those summaries, Robin then formed a series of hypotheses about disease mechanisms for macular degeneration and used these tools to provide a detailed report on the evidence for each mechanism. ArsTechnica, 19 May 2026 Apellis shareholders are also eligible to receive up to an additional $4 per share if certain sale thresholds are met for Syfovre, Apellis’ drug for an advanced form of macular degeneration. Elaine Chen, STAT, 31 Mar. 2026 See All Example Sentences for macular degeneration

Word History

First Known Use

1902, in the meaning defined above

Time Traveler
The first known use of macular degeneration was in 1902

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Cite this Entry

“Macular degeneration.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/macular%20degeneration. Accessed 5 Jun. 2026.

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

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