Examination Equipment and Techniques. EDITION PLATES. Pseudoisochromatic plates. Test book should be held 30' from applicant. For the applicant to interpret and respond to a given plate. American Optical. Compaq Presario V6000 Drivers Windows Xp here. Company [AOC].

From all my experience with color vision I've come to a few conclusions(I've taken every color vision exam except the titmus.) I would say that it is safe to say that all anomalous trichromats can find a test they can pass. The term 'colorblind' has created somewhat of a bias when it comes to color deficiency. Most people who fail a color vision exam are branded colorblind, not fair. The truth is I believe these exams were designed to screen out those who are dichromats or monochromatic. These are the people who cannot decipher green from red. But, the pseudochromatic tests are quick and inexpensive to administer. But they are not perfect and classify people in one group.

In Japan a few decades ago it was considered shameful to have a genetic defect such as color anomaly. There have been numerous stories of Japanese men memorizing patterns and or shapes on these tests.