retinitis pigmentosa
/ˌpɪɡmɛnˈtəʊsə
/noun [mass noun] Medicine
A chronic hereditary eye disease characterized by black pigmentation and gradual degeneration of the retina.Bryant has retinitis pigmentosa, an eye disease that has blinded four generations of her family....
- Homer has been legally blind since the age of 35 as a result of retinitis pigmentosa and glaucoma.
- Millions of people around the world live in a blurry or darkened world because of eye diseases such as macular degeneration or retinitis pigmentosa.
Origin
Mid 19th century: pigmentosa, feminine of Latin pigmentosus, from pigmentum 'pigment'.
- Agung
- agush
- AGW
- agy
- ah
- aha
- aha experience
- Ahaggar Mountains
- a hair's breadth
- Ahal-Teke
- Ahal-Tekke
- aha moment
- (a) hang of (a)
- a hard nut to crack
- a hard (or tough) act to follow
- a hard (or tough) row to hoe
- Aharonov–Bohm
- ahchoo
- ahead
- ahead of
- ahead of one's (or its) time
- ahead of (or behind) schedule
- ahead of (or behind) the curve
- ahead of (or behind) the game
- ahead of time