We test nursing, laboratory, pathology, and medical staff for color vision with Ishihara 14 plate in our clinics.    We find that some of the hospitals with whom we are now affiliated are using Ishihara 38 plate instead of 14 plate.  What method do you all use?  Is there any evidence that more plates are a better screening tool in this setting?  Thanks for your input.

 

Susan Fair, MPAS, PA-C

Yale New Haven Hospital

Occupational Health Plus

New Haven, CT




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