Lea Gratings test (preferential looking paddles)

This vision test is suitable for measuring visual performance in children of crawling age, older children with speech disorders and disabled adults. Panels with stripe patterns of 0.25, 0.5, 1.0, 2.0, 4.0 and 8.0 stripes per centimeter (cycles per cm) are used. The number of stripes per cm serves as a reference (spatial frequency) for visual acuity values. Board size: 20x32cm, 3 boards printed on both sides and a gray board, made of sturdy plastic. Also available without handles (Art. 81482).