𝔖 Bobbio Scriptorium
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Visual Contrast Thresholds in Practical Problems

✍ Scribed by Vos, J. J.; LAZET, A.; BOUMAN, M. A.


Book ID
115378667
Publisher
Optical Society of America
Year
1956
Weight
411 KB
Volume
46
Category
Article
ISSN
0030-3941

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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 age‐matched normals. Motion detection was impaired maximally (2p < 0.01 and better in two‐t