Vision In Preschoolers (VIP): Complete Package (5ft/1.5m)

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The Vision in Preschoolers (VIP) Study, sponsored by the National Eye Institute, initially evaluated 11 vision screening tests in Phase I, including 2 distance visual acuity eye ch arts – LEA SYMBOLS® and HOTV. LEA SYMBOLS® was the only distance visual acuity test to move on to Phase 2. Three other tests in Phase 2 measured refractive error and assessed stereo acuity. The Crowded Single LEA SYMBOLS® Visual Acuity test for 5 Feet (1.5 meters) was designed exclusively for Phase 2 of VIP. The VIP Complete Package includes: VIP Illuminator with Universal Power Supply Crowded LEA SYMBOLS® Disk Card with Masking Window for 3-year-olds at 20/50: 1 side for each eye Crowded LEA SYMBOLS® Disk Card with Masking Window for 4- and 5-year olds at 20/40: 1 side for each eye Baseline Flip Book LEA SYMBOLS® Response Key (Lap Card) 4 LEA SYMBOLS® Individual Training Cards Fun Frame occluders for children Cord to measure testing distance Recording form and instructions Universal Power Supply VIP Kit Support Documents Show more