Ishihara® Test Chart Book for Color Deficiency -38 Plate (Complete Edition) Book Sorbents Large-size hand cleaner dispenser

Large-size hand cleaner dispenser

Ergonomic curved rails provide support without sharp edges and reclining chairs have anti-slip handgrips for added safety

refridgerated or stored at room temperature

w/2 safety pins1 and one half"

Ishihara® Test Chart Book for Color Deficiency -38 Plate (Complete Edition) Book Sorbents Large-size hand cleaner dispenserAccepted 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