ophthalmology

1 of 2

noun

oph·​thal·​mol·​o·​gy ˌäf-thə(l)-ˈmä-lə-jē How to pronounce ophthalmology (audio)
ˌäp-
-ˌthal-
: a branch of medical science dealing with the structure, functions, and diseases of the eye
ophthalmologic
ˌäf-thə(l)-mə-ˈlä-jik How to pronounce ophthalmology (audio)
ˌäp-
-ˌthal-
adjective
or ophthalmological
ophthalmologically adverb

ophthalmologic

2 of 2

adjective

oph·​thal·​mo·​log·​ic (¦)äf¦thalmə¦läjik How to pronounce ophthalmologic (audio)
÷(¦)äp¦th-
-jēk
by l-dissimilation ÷-₋thəmə-
variants or less commonly ophthalmological
-jə̇kəl How to pronounce ophthalmologic (audio)
-jēk-
: of or relating to ophthalmology
ophthalmologically
-jə̇k(ə)lē How to pronounce ophthalmologic (audio)
-jēk-
-li
adverb

Examples of ophthalmology in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Noun
Santen operates in ophthalmology and has meaningful global market share in eye-care products. Robert Daugherty, Forbes.com, 30 May 2026 Parker said the injured man was in stable condition and talking while waiting for ophthalmology care. Lillie Davidson, Fort Worth Star-Telegram, 28 Apr. 2026 Still, the latter has the potential to have the most impact on the broader ophthalmology field and beyond, said Zhu. Annalisa Merelli, STAT, 8 Apr. 2026 Some specialties, like ophthalmology, send out their announcements a little early. Kara Finnstrom, CBS News, 23 Mar. 2026 See All Example Sentences for ophthalmology

Word History

Etymology

Noun

borrowed from German Ophthalmologie, from ophthalmo- ophthalmo- + -logie -logy

First Known Use

Noun

circa 1842, in the meaning defined above

Time Traveler
The first known use of ophthalmology was circa 1842

Browse Nearby Words

Cite this Entry

“Ophthalmology.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ophthalmology. Accessed 9 Jun. 2026.

Kids Definition

ophthalmology

noun
oph·​thal·​mol·​o·​gy ˌäf-thə(l)-ˈmäl-ə-jē How to pronounce ophthalmology (audio)
ˌäp-
-ˌthal-
: a branch of medical science dealing with the structure, functions, and diseases of the eye

Medical Definition

ophthalmology

noun
oph·​thal·​mol·​o·​gy -ˈmäl-ə-jē How to pronounce ophthalmology (audio)
plural ophthalmologies
: a branch of medical science dealing with the structure, functions, and diseases of the eye
ophthalmologic adjective
or ophthalmological
ophthalmologically adverb

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