Colormax.org expands its guaranteed color blind test support with custom contact lenses designed to help users pass Ishihara and other major standardized color vision exams.

A color vision test, also known as the Ishihara color test, measures your ability to tell the difference among colors. If you don’t pass this test, you may have poor color vision, or your doctor may ...

In part six of a series from the OSN Technology and Equipment Workshop featured at Hawaiian Eye 2010, Jack T. Holladay, MD, MSEE, FACS, presented a new contrast sensitivity testing device that offers ...