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Corwin, Thomas R; Mancini, Michael – 1978
A new test designed to detect an hereditary eye disease called retinitis pigmentosa (RP) is described. This condition is revealed by pigmentation in the retina, but early diagnosis is difficult because the symptoms are subtle, and since it is genetically recessive it frequently occurs in families with no history of early blindness. In many cases…
Descriptors: Eyes, Medical Research, Ophthalmology, Physiology
Baechle, Cathy L.; Rittenhouse, Robert K. – 1986
The authors describe personal experiences with Usher's Syndrome, a condition involving visual impairment (due to Retinitis Pigmentosa) and deafness. Prevalence and onset of Usher's Syndrome are described along with characteristics of two different types. Problems connected with diagnosis are reviewed, including genetic aspects and the progressive…
Descriptors: Adjustment (to Environment), Behavior Patterns, Clinical Diagnosis, Deaf Blind
