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keratoconus

American  
[ker-uh-toh-koh-nuhs] / ˌkɛr ə toʊˈkoʊ nəs /

noun

Pathology.

plural

keratoconi
  1. a degenerative condition characterized by conical protrusion of the cornea and irregular astigmatism.


Etymology

Origin of keratoconus

1855–60; kerato- + Latin cōnus cone

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

And terrible vision: A progressive condition called keratoconus, which eventually left him effectively blind in one eye, sidelined his football dreams as a kid.

From The Wall Street Journal • Dec. 9, 2025

In 2019, Pham spoke to about 200 ophthalmologists at a convention, detailing his journey, which while battling keratoconus included 2,338 minor league at-bats from 2008-2014 before he made his big league debut.

From Los Angeles Times • Apr. 25, 2025

She has keratoconus - a condition where the cornea thins and bulges, causing distorted and blurred vision.

From BBC • Oct. 18, 2024

He suffered from keratoconus, which causes progressive blindness.

From The Guardian • Feb. 6, 2018

He suffers from keratoconus and the problem is heightened during day games.

From Washington Times • Sep. 10, 2017