The Vision In Preschoolers (VIP) Study, sponsored by the National Eye Institute, initially evaluated 11 vision screening tests and found that LEA SYMBOLS^® pediatric symbols were among the four most effective tests for young children. The VIP Crowded Symbol LEA SYMBOLS^® visual acuity test for 5 feet (1.5 meters), designed exclusively for the study, is also available.

The VIP Complete with PASS 2 stereoacuity test includes:

• VIP Illuminator with Universal Power Supply
• Crowded LEA SYMBOLS^® pediatric symbols disk card with masking window for 3-year-olds: 1 side for each eye
• Crowded LEA SYMBOLS^® pediatric symbols disk card with masking window for 4- and 5-year olds: 1 side for each eye
• Baseline Flip Book
• LEA SYMBOLS^® pediatric symbols response key (lap card)
• 4 LEA SYMBOLS^® pediatric symbols individual training cards
• PASS Stereo Smile Test II Stereoacuity Test
• Fun frame occluders for children
• Cord to measure test distance
• Recording form and instructions
• Universal Power Supply