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
Example Sentences
Recent Examples on the Web John Diakakis, the manager of the family business, has retinitis pigmentosa and has been legally blind since birth. 
The New Yorker, 16 June 2022 Certain forms of dementia, ALS, Parkinson’s, and the degenerative eye disease retinitis pigmentosa, fall under the same umbrella, along with other diseases, all caused by some quirk in a protein. Isabella Cueto, STAT, 2 May 2022 Researchers have used optogenetic techniques to partially reverse blindness and have found promising results in clinical trials using optogenetics on patients with retinitis pigmentosa, a group of genetic disorders that break down retinal cells. Marc Zimmer, The Conversation, 5 Aug. 2021 Optogenetic therapies to restore vision have been utilized for over a decade by scientists to treat people with degenerative eye diseases, such as retinitis pigmentosa. William A. Haseltine, Forbes, 8 June 2021 Imagine what suffering from retinitis pigmentosa is like. William A. Haseltine, Forbes, 8 June 2021 Christopher and his sister, Dina, were born with retinitis pigmentosa, eye disorders that left them legally blind at birth. BostonGlobe.com, 15 Aug. 2021 Meyers, 26, has Usher syndrome, a genetic disorder that causes deafness or hearing loss and the eye disease retinitis pigmentosa that affects vision and worsens over time. David Williams, CNN, 21 July 2021 Tatel was diagnosed with retinitis pigmentosa in 1957 as a teen attending Montgomery Blair High School. Washington Post, 8 July 2021 See More
The New Yorker, 16 June 2022 Certain forms of dementia, ALS, Parkinson’s, and the degenerative eye disease retinitis pigmentosa, fall under the same umbrella, along with other diseases, all caused by some quirk in a protein. Isabella Cueto, STAT, 2 May 2022 Researchers have used optogenetic techniques to partially reverse blindness and have found promising results in clinical trials using optogenetics on patients with retinitis pigmentosa, a group of genetic disorders that break down retinal cells. Marc Zimmer, The Conversation, 5 Aug. 2021 Optogenetic therapies to restore vision have been utilized for over a decade by scientists to treat people with degenerative eye diseases, such as retinitis pigmentosa. William A. Haseltine, Forbes, 8 June 2021 Imagine what suffering from retinitis pigmentosa is like. William A. Haseltine, Forbes, 8 June 2021 Christopher and his sister, Dina, were born with retinitis pigmentosa, eye disorders that left them legally blind at birth. BostonGlobe.com, 15 Aug. 2021 Meyers, 26, has Usher syndrome, a genetic disorder that causes deafness or hearing loss and the eye disease retinitis pigmentosa that affects vision and worsens over time. David Williams, CNN, 21 July 2021 Tatel was diagnosed with retinitis pigmentosa in 1957 as a teen attending Montgomery Blair High School. Washington Post, 8 July 2021 See More 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