retinitis pigmentosa

play
noun retinitis pig·men·to·sa \-ˌpig-mən-ˈtō-sə, -(ˌ)men-, -zə\

Definition of retinitis pigmentosa

  1. :  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

Origin and Etymology of retinitis pigmentosa

New Latin, pigmented retinitis


First Known Use: 1859


Medical Dictionary

retinitis pigmentosa

play
noun retinitis pig·men·to·sa \-ˌpig-mən-ˈtō-sə, -(ˌ)men-, -zə\

Medical Definition of retinitis pigmentosa

  1. :  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


Learn More about retinitis pigmentosa


Seen and Heard

What made you want to look up retinitis pigmentosa? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

a frightening dream

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

  • manet-jeanne-spring
  • Which is a synonym of chaffer?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!