presbyopia

American  

[prez-bee-oh-pee-uh, pres-] / ˌprɛz biˈoʊ pi ə, ˌprɛs- /

noun

Ophthalmology.

1. farsightedness due to ciliary muscle weakness and loss of elasticity in the crystalline lens.

---

presbyopia British  

/ ˌprɛzbɪˈəʊpɪə /

noun

1. a progressively diminishing ability of the eye to focus, noticeable from middle to old age, caused by loss of elasticity of the crystalline lens

---

Other Word Forms

• presbyopic
  adjective

---

Etymology

Origin of presbyopia

1785–95; < Greek presby- (combining form of présbys old, old man) + -opia

---

Example Sentences

See Examples For:

presbyopia

Here’s what early presbyopia can look like: A group in their 40s might be out for dinner.

From The Wall Street Journal ● Nov. 3, 2026

A normal part of aging, presbyopia occurs when the eye becomes increasingly rigid, making it harder to focus on nearby objects.

From New York Times ● Apr. 4, 2024

In addition to studying techniques to help treat cataracts, the researchers are applying their methods to study other major eye conditions, including presbyopia and myopia.

From Science Daily ● Sep. 21, 2023

Eye doctors can help advise you about the many options for presbyopia.

From Washington Post ● Jul. 17, 2022

Still another defect of vision is known as presbyopia or farsightedness due to old age.

From The Science of Human Nature A Psychology for Beginners by William Henry Pyle

Random Word

Spin the wheel and learn a new word!

---