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

  1. LEA GRATINGS are for preferential looking test situations with infants or children and adults with disabilities to determine detection acuity.
  2. 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).
  3. Includes instructions and storage case. 4 paddles 8″ (20 cm) in diameter.
SKU: 253300 Categories: