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LEA GRATINGS® A PREFERENTIAL LOOKING TEST

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1531.00
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LEA GRATINGS® are for preferential looking test situations with infants or children and adults with disabilities to determine detection acuity. Grating levels printed on each handle are: 0.25, 0.5, 1.0, 2.0, 4.0 and 8.0 cpcm (cycles per centimeter of surface). Includes instructions, a storage case, and 4 paddles.

Dimensions: Width: 7.75" x  12.5" (19.685 cm x 31.75 cm).

Click here for the 253300 Guide.

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