Visual thresholds to low-contrast patter
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Dr. Bernhard A. Haug; Claudia Trenkwalder; Geoffrey B. Arden; Wolfgang H. Oertel
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Article
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1994
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John Wiley and Sons
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English
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## Abstract We used the computerized Moorfield Vision System to demonstrate specific increases in various perceptual visual thresholds in idiopathic Parkinson's syndrome. Fifteen patients were compared to 13 ageβmatched normals. Motion detection was impaired maximally (2p < 0.01 and better in twoβt