ISHIHARA Test Chart Books for Color Deficiency (10 Plate) SNS Exclusive Features an ultrabright LED light

Features an ultrabright LED light to brighten your viewing area

Pain reliever/anti-inflammatory that temporarily relieves minor back pain

(50 Pamphlets per Package) Pamphlet helps young ones identify which actions qualify as bullying

virucidal and fungicidal cleaner which cleans

1-year manufacturer warranty

ISHIHARA Test Chart Books for Color Deficiency (10 Plate) SNS Exclusive Features an ultrabright LED light(10 Plate) 4 symbols and 6 trails Accepted by leading authorities as a simple and accurate method for discovering congenital color blindness of two types: total 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