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	Since this article does not have an abstract, we have provided the first 150 words of the full text and any section headings.

The article by Reiss et al,¹ while a much-needed addition to the areas of history taking and patient compliance, neglected an important group: health care workers. Many health care workers, including 50% of those in Reiss and colleagues' study, are color blind. It is important for them to know this so that they can make the appropriate adjustments in their practices. If they are not certain, especially if they have difficulty appreciating that the green traffic light is not white or seeing the red light at all during the day, they can have their color vision quickly and painlessly checked by any ophthalmologist.

Medical students should consider whether they have a problem seeing colors when selecting a specialty, since about one third of ophthalmology residency programs and all aerospace residency programs test applicants for this deficit.² (It is legal to do so, since color vision is a necessary job qualification.². . . [Full Text of this Article]