The Random Dot 3 is designed to rapidly test for amblyopia and strabismus in early and non-readers and non-verbal children & adults. This expanded version comes with easy symbols that test gross disparity at 900, 650, 500, and 400 seconds of arc. It also tests children at 400, 200, 100 seconds of arc. The graded circle test is now down to 12.5 seconds with no monocular clues. An answer key is on the back cover and includes polarized viewers.

• Expanded Random Dot Stereoacutiy Test
• Critical testing from 160 to 12.5 seconds of arc
• No monocular clues with NEW technology
• New & improved booklet
• Imprinted images inside booklet for matching
• Answer Key on the back cover
• Includes both adult and pediatric polarized viewers 

This product is intended for Healthcare Professionals. A doctor's note may be required for sales to the general public.Please send any questions to: orders@good-lite.com