Contrast Sensitivity Tests Non-Illuminated
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Description |
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7002200
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A simple test of contrast sensitivity involving a ‘forced choice’. |
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7002201
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Pad of 50 charts for Cambridge low contrast gratings
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7002251
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Pelli-Robson contrast sensitivity chart for use at 1 metre. Developed by Dr D Pelli of Syracuse University, New York and Dr J Robson of University of Cambridge, England. |
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7002252
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Pad of 50 charts for Pelli-Robson contrast sensitivity chart
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