Dr. Waggoner uses simple objects and symbols that are easy for all age groups and individuals to identify. This test uses simple, easy-to-recognize symbols, is appropriate for children as young as 3, and is the Gold Standard for testing individuals with mental impairments. Color vision testing can be fun, quick and easy for all age groups, including preschool children and individuals who have learning disabilities or are noncommunicative. 14 plates.

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