The previous testing methods have shown inconsistencies, including inadequate standardization in the administration of current color vision tests. These factors have raised concerns about whether the ...
Waggoner CCVT accepted by FAA for use by Aviation Medical Examiners for medical clearance of pilots and air traffic controller specialists. We are proud to have the FAA accept our Waggoner CCVT as an ...
After decades of exhaustive study, scientists have concluded that human tetrachromacy is real. Some people have a truly superhuman range of color vision. In fact, there are two distinct types of ...
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