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 ...

A Department of Transportation (DOT) physical is a physical exam that is required of people who drive commercial vehicles. The point of a DOT physical is to make sure that people who are driving ...

If you’re a professional bus or truck driver, you know how rigorous the demands of your job can be. In order to ensure your and the public’s safety, you’ll most likely need to take a DOT (Department ...