Product Details
Vision in Preschool (VIP) Complete Package
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 charts—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 stereoacuity. 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
• Children’s fun frame occluders
• Cord to measure testing distance
• Recording form and instructions
• Universal power supply
