retinitis pigmentosa

noun

retinitis pig·​men·​to·​sa -ˌpig-mən-ˈtō-sə 

-(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

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

The device Hester uses to see is called the Argus II Retinal Prosthesis system, which the FDA approved for use in patients with advanced retinitis pigmentosa last year. —Carl Engelking, Discover Magazine, 9 Oct. 2014

The therapy is being evaluated in two clinical trials for the treatment of severe vision loss caused by retinitis pigmentosa and Stargardt disease, respectively. —Dallas News, 16 Aug. 2022

The mice in the experiment had been genetically engineered to experience a progressive degradation of their photoreceptors, similar to what happens in people with retinitis pigmentosa and macular degeneration. —Nathaniel Scharping, Discover Magazine, 6 Mar. 2018

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Word History

Etymology

New Latin, pigmented retinitis

First Known Use

1859, in the meaning defined above

Medical Definition

retinitis pigmentosa

noun

retinitis pig·​men·​to·​sa -ˌpig-mən-ˈtō-sə, -(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

—abbreviation RP

called also pigmentary retinopathy