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orthokeratology

American  
[awr-thoh-ker-uh-tol-uh-jee] / ˌɔr θoʊˌkɛr əˈtɒl ə dʒi /

noun

Ophthalmology.

  1. a technique for correcting refractive errors in vision by changing the shape of the cornea with the temporary use of progressively flatter hard contact lenses.

Etymology

Origin of orthokeratology

First recorded in 1970–75; ortho- + kerato- + -logy

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.