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Forum: Training, Licensing & Certification 31-10-2020, 13:48
Replies: 20
Views: 5,891
Posted By DennisDW
Re: ENG 1 Medical & color blindess

As a sailing optometrist I can add a bit, I think.
Farnsworth is good. Ishihara is not pass/fail. You have to identify the fail number. That is to say that color normals may see "57" and R/G...
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