ISHIHARA Test Chart Books for Color Deficiency (38 Plate) 5-off-10 Helps protect a knocked-out tooth

Helps protect a knocked-out tooth from cell damage and dehydration

Alcohol-Free — Perfect for Equipment & Other Hard

including back of hands

hands-on text

Filter screen in bulb and valve to reduce dust buildup

ISHIHARA Test Chart Books for Color Deficiency (38 Plate) 5-off-10 Helps protect a knocked-out tooth(38 Plate) 25 numbers and 13 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