Scalpel Blades- # 11 Bx/100 this is the optimal light

this is the optimal light positioning recommended by light therapy experts * Manufactured with high efficiency electronic ballasts the Day-Light Sky eliminates the annoying flicker experienced with ordinary fluorescent fixtures

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

1 x 1 * Weight: 0

5 L x 35 H *

Scalpel Blades- # 11 Bx/100 this is the optimal light#11 Bx 100 * Sterile surgical blades that are individually foil packed * Carbon Steel