Retinitis pigmentosa (RP) is an inherited, degenerative eye disease that causes severe vision impairment and often blindness. The progress of RP is not consistent. Some people will exhibit symptoms from infancy, others may not notice symptoms until later in life. Generally, the later the onset, the more rapid is the deterioration in sight.{citatio...
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http://en.wikipedia.org/wiki/Retinitis_pigmentosa
group of hereditary eye diseases in which progressive degeneration of the retina leads to severe impairment of vision. In the usual course of ... [3 related articles]
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http://www.britannica.com/eb/a-z/r/39
<ophthalmology> Disease caused by overactivity of the pigmented retinal epithelial cells, leading to damage and occlusion of photoreceptors and blindness. ... (18 Nov 1997) ...
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http://www.encyclo.co.uk/local/20973
(ret″ĭ-ni´tis ) a group of diseases, frequently hereditary, marked by progressive loss of retinal response (as recorded by the electroretinograph), retinal atrophy, attenuation of retinal vessels, and clumping of the pigment, with contraction of the field of vision. Different varieties may be hereditary in do...
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Group of hereditary ocular disorders with progressive retinal degeneration. Autosomal dominant, auto
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http://www.encyclo.co.uk/local/22391
Disease caused by overactivity of the pigmented retinal epithelial cells, leading to damage and occlusion of photoreceptors and blindness.
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http://www.encyclo.co.uk/visitor-contributions.php
(RP) Type: Term Definitions: 1. a progressive retinal degeneration characterized by bilateral nyctalopia, constricted visual fields, electroretinogram abnormalities, and pigmentary infiltration of the inner retinal layers; may be sporadic or demonstrate autosomal dominant [MIM*180100], autosomal recessive, or X-linked inheritance...
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http://www.medilexicon.com/medicaldictionary.php?t=77932
Retinitis pigmentosa: Any one of a large group of inherited disorders in which abnormalities of the photoreceptors (the rods and cones) in the retina lead to progressive visual loss. People with retinitis pigmentosa (RP) first experience defective dark adaptation ('night blindness'), then constriction of the visual field ('tunnel vision') and event...
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http://www.medterms.com/script/main/art.asp?articlekey=22264
retinitis pigmentosa (RP) Any one of a large group of inherited disorders in which abnormalities of the photoreceptors (the rods and cones) in the retina lead to progressive visual loss. People with retinitis pigmentosa first experience defective dark adaptation ('night blindness'), then constriction of the visual field ('tunnel vision') and eventu...
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http://www.wordinfo.info/words/index/info/view_unit/1670/2
gradual loss of the field of vision, owing to a degeneration of the light-sensitive nerve cells of the retina
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