- 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 and storage case. 4 paddles 8″ (20 cm) in diameter.
LEA GRATINGS, a Preferential Looking Test
SKU : 253300
LEA GRATINGS are for preferential looking test situations with infants or children and adults with disabilities to determine detection acuity
Reviews
There are no reviews yet.