retinitis pigmentosa
[pig-men-toh-suh, -muh n-]
- 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
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
retinitis pigmentosa
- a degenerative hereditary disease of the human eye, characterized by pigmentary changes in the retina, night blindness, and eventual loss of vision
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Word Origin
C19: pigmentosa, feminine of Latin pigmentosus
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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retinitis pigmentosa
(pĭg′mən-tō′sə)- 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
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The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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.
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The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.