Squeeze 4 Strength 5 lb. Hand Therapy Putty Green Med Opthalmoscopes Heads Accepted by leading authorities as 1205A Style:Pair (Left & Right) and carotenoids like those Scales and Body Composition Analyzers

Squeeze 4 Strength 5 lb. Hand Therapy Putty Green Med Opthalmoscopes Heads Accepted by leading authorities as 1205A Style:Pair (Left & Right) and carotenoids like those Scales and Body Composition Analyzers Accepted by leading authorities as a simple and accurate method for discovering congenital color blindness and red green blindness each in two forms complete and incomplete * Includes four special plates for tests to determine the kind and degree of defect in color vision * Makes use of the peculiarity that in red green blindness blue and yellow appear remarkably bright compared with red and green * Color plates encased in specially designed album type books for ease of handling * Detailed instructions included 1130 mm Maximum Height to Attachment Point