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You are here: Home > LEA Core Tests > LEA Low Contrast Grating Acuity Test
LEA Low Contrast Grating Acuity Test

 

LEA Low Contrast Grating Acuity Test

Measurement of contrast sensitivity curve is based on 4 gratings at 2 contrast levels, 10%, and 2.5% contrast using 2 grating frequencies: 0.5 cpcm and 8 cpcm (10% level) or 0.5 cpcm and 4 cpcm (2.5% level). Testing is based on finding the distance where the person is at threshold in seeing the direction of the grating lines. Includes nomograms, instructions, and recording forms. Measures 8" (20 cm) in diameter.

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253400 $324.00

 

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