retinitis pigmentosa

[ pig-men-toh-suh, -muhn- ]
/ ˌpɪg mɛnˈtoʊ sə, -mən- /
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noun Ophthalmology.
degeneration of the retina manifested by night blindness and gradual loss of peripheral vision, eventually resulting in tunnel vision or total blindness.
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Origin of retinitis pigmentosa

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

Words nearby retinitis pigmentosa

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British Dictionary definitions for retinitis pigmentosa

retinitis pigmentosa
/ (ˌpɪɡmənˈtəʊsə) /

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

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.
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