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
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For Sha Khan, who lost around 90 percent of his vision in 2021 due to retinitis pigmentosa and Stargardt disease, the technology has become part of daily life as well as training.
—
ABC News, 24 Apr. 2026
She was diagnosed with retinitis pigmentosa — an eye disease that causes vision loss — and lupus, a disease where the immune system mistakenly attacks the body’s healthy tissues and organs instead of fighting germs, according to court records.
—Chase Jordan
april 10, Charlotte Observer, 10 Apr. 2026
Gene Therapies and Bionic Implants In addition to cell therapy, gene therapy could also offer a new way of restoring vision to patients with retinitis pigmentosa by reprogramming the DNA of surviving cells deep within the retina.
—Juergen Eckhardt, Forbes.com, 18 Feb. 2026
At age 13, she was diagnosed with retinitis pigmentosa (RP) — a rare genetic condition that often starts in childhood, causing gradual deterioration of the retina and progressive vision loss.
—Joanne Fowler, PEOPLE, 26 Jan. 2026
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ABC News, 24 Apr. 2026
She was diagnosed with retinitis pigmentosa — an eye disease that causes vision loss — and lupus, a disease where the immune system mistakenly attacks the body’s healthy tissues and organs instead of fighting germs, according to court records.
—Chase Jordan
april 10, Charlotte Observer, 10 Apr. 2026
Gene Therapies and Bionic Implants In addition to cell therapy, gene therapy could also offer a new way of restoring vision to patients with retinitis pigmentosa by reprogramming the DNA of surviving cells deep within the retina.
—Juergen Eckhardt, Forbes.com, 18 Feb. 2026
At age 13, she was diagnosed with retinitis pigmentosa (RP) — a rare genetic condition that often starts in childhood, causing gradual deterioration of the retina and progressive vision loss.
—Joanne Fowler, PEOPLE, 26 Jan. 2026
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 6 Jun. 2026.
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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