A pediatric vision screening test with LEA SYMBOLS®. This test was designed specifically for the Massachusetts Preschool Vision Screening Protocol. Includes one practice card, two line sizes of 20/40 for 3 year olds, two lines sizes of 20/32 for 4+ year olds, a response key, and a Massachusetts Vision Screening Protocol guide. Contains 4 offset pages for easy flipping.
Dimensions: 3.25″ x 9″ (8.25 cm x 22.9 cm).
Testing distance: 10 feet/3 meters.