What color vision test do I need to pass for my Coast Guard MMC License?
There are a number of color vision tests, any of which are acceptable.
Types of color vision test
Any of the following tests serve as acceptable color vision tests:
Pseudoisochromatic Plates (Dvorine, 2nd Edition; AOC; revised edition or AOC–HRR;
Ishihara 14-plate, 24-plate, or 38- plate editions);
Titmus Vision Tester/OPTEC 2000;
Richmond Test, 2nd and 4th edition;
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