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The Importance of Visual Contrast Sensitivity
Dr. Shoemaker: The cheapest, easiest test that I do with patients is the VCS test. This is visual contrast sensitivity. And then as far as the presence of any kind of allergy, if people have allergic symptoms we could do an allergy to mold. We want to know IgG and IgE. When we take both of those things, now we're looking at a bigger picture of a true mold exposure. You're looking at the spores and the mycotoxins.