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1. (n.) retinitis pigmentosa
degeneration of the retina manifested by night blindness and gradual loss of peripheral vision, eventually resulting in tunnel vision or total blindness.
Etymology: (1860–65; < NL: pigmentary retinitis. See pigment , -ose1)
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| Definition of 'retinitis pigmentosa' |
U.S. National Library of Medicine |
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1. retinitis pigmentosa
Hereditary, progressive degeneration of the neuroepithelium of the retina characterized by night blindness and progressive contraction of the visual field.
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