ophthalmology

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 adjective
or ophthalmological
ophthalmologically 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.
Neurology and ophthalmology visits increased eight to nine years prior, likely due to blurred vision or eye pain, two common early symptoms of MS. Deirdre Bardolf, FOXNews.com, 15 Aug. 2025 That’s why nearly all narrow AI tools are applied in visual specialties like radiology, pathology and ophthalmology — not cognitive fields that depend on subjective entries in the electronic medical record. Robert Pearl, Forbes.com, 4 Aug. 2025 An ophthalmology professor at the University of Pennsylvania, Dunaief knows too much about the risks to leave his shades at home. Matt Fuchs, Time, 4 Aug. 2025 That kick-started many ophthalmology appointments and MRI scans, with doctors even suspecting that Cohen could have a brain tumor. Alyce Collins, MSNBC Newsweek, 27 June 2025 See All Example Sentences for ophthalmology

Word History

Etymology

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

First Known Use

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 10 Sep. 2025.

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

More from Merriam-Webster on ophthalmology

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