retinitis pigmentosa

noun

retinitis pig·​men·​to·​sa -ˌpig-mən-ˈtō-sə How to pronounce retinitis pigmentosa (audio)
-(ˌ)men-,
-zə
: any of several hereditary progressive degenerative diseases of the eye marked by night blindness in the early stages, atrophy and pigment changes in the retina, constriction of the visual field, and eventual blindness

Examples of retinitis pigmentosa in a Sentence

Recent Examples on the Web Turner, who grew up on Indy's northside, was diagnosed around four years ago with retinitis pigmentosa, a rare genetic disorder that slowly limits field of vision. Binghui Huang, The Indianapolis Star, 7 Mar. 2024 This hydrogel also slows down the progression of retinitis pigmentosa, delaying vision loss. William A. Haseltine, Forbes, 28 Feb. 2024 Developing a hydrogel based on hyaluronic acid that responds to inflammation is a promising approach for treating retinitis pigmentosa. William A. Haseltine, Forbes, 28 Feb. 2024 Eye problems: Some individuals with retinitis pigmentosa or other eye disorders may experience changes in vision while taking generic Viagra. Amber Smith, Discover Magazine, 12 Oct. 2023 Venture investors have provided $100 million in fresh funding to Ray Therapeutics, a biotech company seeking to restore vision in people with the rare blinding disease retinitis pigmentosa. Brian Gormley, WSJ, 16 May 2023 For Henry Klassen, an ophthalmologist at the University of California, Irvine, and the director of the retinitis pigmentosa project, the experiment is the fruition of a dream he’s had since his student days. Linda Marsa, Discover Magazine, 2 Jan. 2019 That’s how many people in the U.S. are affected with retinitis pigmentosa, research estimates. Robert Hart, Forbes, 17 Mar. 2023 Courtesy of Sandi Wassmer Sandi Wassmer was 15 years old when she was diagnosed with retinitis pigmentosa. Orianna Rosa Royle, Fortune, 2 Mar. 2023

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

Word History

Etymology

New Latin, pigmented retinitis

First Known Use

1859, in the meaning defined above

Time Traveler
The first known use of retinitis pigmentosa was in 1859

Dictionary Entries Near retinitis pigmentosa

Cite this Entry

“Retinitis pigmentosa.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/retinitis%20pigmentosa. Accessed 28 Mar. 2024.

Medical Definition

retinitis pigmentosa

noun
retinitis pig·​men·​to·​sa -ˌpig-mən-ˈtō-sə, -(ˌ)men-, -zə How to pronounce retinitis pigmentosa (audio)
: any of several hereditary progressive degenerative diseases of the eye marked by night blindness in the early stages, atrophy and pigment changes in the retina, constriction of the visual field, and eventual blindness
abbreviation RP

called also pigmentary retinopathy

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