retinitis pigmentosa

[pig-men-toh-suh, -muh n-]

noun Ophthalmology.

degeneration of the retina manifested by night blindness and gradual loss of peripheral vision, eventually resulting in tunnel vision or total blindness.

Origin of retinitis pigmentosa

1860–65; < New Latin: pigmentary retinitis. See pigment, -ose¹

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for retinitis pigmentosa

retinitis pigmentosa

noun

a degenerative hereditary disease of the human eye, characterized by pigmentary changes in the retina, night blindness, and eventual loss of vision

Word Origin for retinitis pigmentosa

C19: pigmentosa, feminine of Latin pigmentosus

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

retinitis pigmentosa in Medicine

retinitis pigmentosa

[pĭg′mən-tō′sə]

n.

A hereditary degenerative disease of the retina, producing conditions such as night blindness, pigmentation changes in the retina, narrowing of the visual field, and the eventual loss of vision.pigmentary retinopathy tapetoretinal retinopathy

retinitis pigmentosa in Science

retinitis pigmentosa

[rĕt′n-ī′tĭs pĭg′mĕn-tō′sə]

A hereditary degenerative disease of the retina, characterized by difficulty seeing at night, pigmentary changes within the retina, and eventual loss of vision.