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Waggoner Color Vision Testing Made Easy Book price break bottle-openerPediatric gold standard for identifying genetic (red green) color vision deficiencies in children as young as age 3. Consisting of 1 demonstration plate and 9 test plates displaying circle, star, and or square throughout the plates and can be completed in under 60 seconds. On most plates, children will be able to see at least one symbol even if they are color vision deficient. If they cannot identify one symbol on the first few plates, they may not