38 Plates Ishihara Book
- Ishihara color perception test charts are recognized internationally as highly reliable method of determining color deficiency.
- With normal color perception, the images and numbers will all be visible.
- Each color test plate in this hard bound. Book is specially printed to measure incrementally higher color sensitivity and specificity.
- Ishihara test for color blindness, 24 plate edition:- popular and efficient test for red/green color vision deficiency quickly differentiates between congenital and acquired defects