Lea Contrast Grating test, 4 charts

83280-lea-gratings
€391.00 *

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Lea Contrast Grating test, 4 plates To test grating visual acuity using contrast changes in... more
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Lea Contrast Grating test, 4 plates


To test grating visual acuity using contrast changes in four levels (contrast 10%: 0.50 cpcm and 8.00 cpcm; contrast 2.5%: 0.50 cpcm and 4.00 cpcm). The test is used to determine the distance at which the direction of the lines can be recognized. Manufacturer no. Good Lite: 253400.
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