Mall New 2025 Vision test chart Book 38 Plates | Optometry Color Blindness Color Deficiency Test Book | 2025 New Publish | 2025 Marked

Main features:

-A professional test book, which is a simple and accurate method for discovering congenital color blindness and red-green blindness, 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.
-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.

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