retinitis pigmentosa

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

Definition of retinitis pigmentosa

: 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

Recent Examples of retinitis pigmentosa from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'retinitis pigmentosa.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of retinitis pigmentosa

New Latin, pigmented retinitis


Medical Dictionary

retinitis pigmentosa

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

medical Definition of retinitis pigmentosa

: 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

the quality or state of being insatiable

Get Word of the Day daily email!

Test Your Vocabulary

Name More Food!

Spell It

Can you spell these 10 commonly misspelled words?

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!