Fashion Ishihara Book 38 Plates Optometry Blindness Color Deficiency Test Card

38 Plate Ishihara Book

Main features:

-A profeional test book, which is a simple and accurate method for discovering con color blindne and red-green blindne, each in two forms, complete and incomplete.

-It includes four special plates for tests to determine the kind and degree of defect in color vision.-es use of the peculiarity that in red-green blindne, blue and yellow appear remarkably bright compared with red and green.

-Color plates encased in specially designed album-type books for ease of handling.

-Individuals with color vision defect should see a different figure from individuals with normal color vision.

Specifications:

-Material: Paper-Size: app.18 x 12 x 4cm/7.09 x 4.72 x 1.57in-Quantity: 1 Pc