Definition of retinitis pigmentosa in English:
retinitis pigmentosa
noun ˌpɪɡmɛnˈtəʊsəˌpiɡmənˈtōsə
mass nounMedicine A chronic hereditary eye disease characterized by black pigmentation and gradual degeneration of the retina.
Example sentencesExamples
- Homer has been legally blind since the age of 35 as a result of retinitis pigmentosa and glaucoma.
- Diseases such as age-related macular degeneration and retinitis pigmentosa damage cells in the eye that normally convert light to electrical impulses.
- Millions of people around the world live in a blurry or darkened world because of eye diseases such as macular degeneration or retinitis pigmentosa.
- Diagnosed at Moorfields Eye Hospital at the age of 4 with retinitis pigmentosa and told that I would not see beyond the age of 15, I have been fortunate to reach the age of 35 with some residual peripheral vision.
- Bryant has retinitis pigmentosa, an eye disease that has blinded four generations of her family.
Origin
Mid 19th century: pigmentosa, feminine of Latin pigmentosus, from pigmentum 'pigment'.