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
At 4, she was diagnosed with retinitis pigmentosa, a rare degenerative eye disease that leads to eventual blindness.
—
Laura Trujillo, USA Today, 14 Oct. 2025
When the antibody was injected into the retinas of mice afflicted with retinitis pigmentosa, the action of PROX1 was blocked, retinal regeneration was restored, and vision returned for a period of over six months.
—Michael Franco, New Atlas, 11 June 2025
Burke was just 4 years old when she was diagnosed with retinitis pigmentosa, a rare eye disease that eventually leads to blindness.
—Carly Tagen-Dye, People.com, 7 May 2025
Wynn suffers from retinitis pigmentosa, an incurable eye disease.
—Alex Isenstadt, Axios, 16 Mar. 2025
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Laura Trujillo, USA Today, 14 Oct. 2025
When the antibody was injected into the retinas of mice afflicted with retinitis pigmentosa, the action of PROX1 was blocked, retinal regeneration was restored, and vision returned for a period of over six months.
—Michael Franco, New Atlas, 11 June 2025
Burke was just 4 years old when she was diagnosed with retinitis pigmentosa, a rare eye disease that eventually leads to blindness.
—Carly Tagen-Dye, People.com, 7 May 2025
Wynn suffers from retinitis pigmentosa, an incurable eye disease.
—Alex Isenstadt, Axios, 16 Mar. 2025
See All Example Sentences for retinitis pigmentosa
Cite this Entry
“Retinitis pigmentosa.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/retinitis%20pigmentosa. Accessed 4 Nov. 2025.
Copy CitationMedical 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
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