presbyopia

noun

: a visual condition which becomes apparent especially in middle age and in which loss of elasticity of the lens of the eye causes defective accommodation and inability to focus sharply for near vision

Examples of presbyopia in a Sentence

Recent Examples on the Web
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In addition to glucose, the companies have been working on a smart accommodating contact lens for presbyopia (the loss of near-focusing ability) and a smart intraocular lens for improving sight following cataract surgery. IEEE Spectrum, 29 Nov. 2018 When Readers Aren’t Enough Not all eye symptoms people experience in their 40s can be attributed to presbyopia. Maggie O'Neill, Verywell Health, 20 Sep. 2024

Word History

Etymology

New Latin, from Greek presbys old man + New Latin -opia

First Known Use

1767, in the meaning defined above

Time Traveler
The first known use of presbyopia was in 1767

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Cite this Entry

“Presbyopia.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/presbyopia. Accessed 21 Mar. 2025.

Medical Definition

: a visual condition which becomes apparent especially in middle age and in which loss of elasticity of the lens of the eye causes defective accommodation and inability to focus sharply for near vision

More from Merriam-Webster on presbyopia

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