retinitis pigmentosa

[ pig-men-toh-suh, -muh n- ]
/ ˌpɪg mɛnˈtoʊ sə, -mən- /

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

British Dictionary definitions for retinitis pigmentosa

retinitis pigmentosa
/ (ˌpɪɡmənˈtəʊsə) /

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

Medical definitions for retinitis pigmentosa

retinitis pigmentosa
[ pĭg′mən-tōsə ]

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

Scientific definitions for retinitis pigmentosa

retinitis pigmentosa
[ rĕt′n-ītĭs pĭg′mĕn-tōsə ]

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