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  • LEA GRATINGS® ACUITY TEST, 52089

LEA GRATINGS® ACUITY TEST, 52089 LEA GRATINGS® ACUITY TEST, 52089
LEA GRATINGS® ACUITY TEST, 52089 LEA GRATINGS® ACUITY TEST, 52089
LEA GRATINGS® ACUITY TEST, 52089
LEA GRATINGS® ACUITY TEST, 52089
The Symbol : 251300

LEA GRATINGS® ACUITY TEST , 52089 A Resolving/Discrimination Test

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A Resolving/Discrimination Test

This test at full contrast requires discrimination of the direction of long lines, which is a more demanding task than the detection acuity measured with the LEA GRATINGS® Acuity Test. The test gratings are presented to children and adults at different distances to determine at which distance the direction of lines can be perceived. Knowing the distance and which grating was used, the grating acuity values can be read from the nomograms. Includes nomograms, instructions, a storage case, and 4 disks.

Dimensions: 8" (20 cm) in diameter.

Click here for the 251300 Guide.

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