ret·​i·​ni·​tis ˌre-tə-ˈnī-təs How to pronounce retinitis (audio)
: inflammation of the retina

Examples of retinitis in a Sentence

Recent Examples on the Web Chaudhri suffers from retinitis pigmentosa, which causes degeneration of the retina. Steve Reaven,, 7 Aug. 2017 The Argus II, a bionic retina approved by the Food and Drug Administration, is now being used by more than 100 people with retinitis pigmentosa and other related conditions. Candy Sagon, charlotteobserver, 9 June 2017 Andrei was afflicted with a retinal degenerative disease known as retinitis pigmentosa, which can cause vision impairment or vision loss. Bryce Alderton, Daily Pilot, 20 June 2017 The two most common kinds of retina disorders are retinitis pigmentosa and macular degeneration, which together affect about more than 20 million Americans. Ben Panko, Smithsonian, 11 Jan. 2017

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'retinitis.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History


New Latin

First Known Use

1821, in the meaning defined above

Time Traveler
The first known use of retinitis was in 1821

Dictionary Entries Near retinitis

Cite this Entry

“Retinitis.” Dictionary, Merriam-Webster, Accessed 30 Nov. 2023.

Medical Definition


ret·​i·​ni·​tis ˌret-ᵊn-ˈīt-əs How to pronounce retinitis (audio)
plural retinitides -ˈit-ə-ˌdēz How to pronounce retinitis (audio)
: inflammation of the retina
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