PASS 2 Smile Test
Preschool Assessment of Stereopsis with a Smile (PASS) - Stereoacuity test for school assessment of stereopsis in children and non-readers. Includes: 4 Cards (480, 240, Demo, and Blank) with Carrying Case, 1 Pair Pediatric Polarized Viewers, and 1 Pair Intermediate Polarized Viewers.
This test is also part of the VIP Kit developed by the Vision in Preschoolers Study Group for screening the vision of preschoolers.
Testing distance is 16"/40cm