If you have bloody diarrhea, a fever, more than seven days of symptoms, intense abdominal pain, or diarrhea that is getting worse, you should seek medical attention. Foods to eat 4.
Color blindness, or color vision deficiency, is the inability or decreased ability to see color, or perceive color differences, under normal lighting conditions. Color blindness affects a significant percentage of the population.
A comprehensive eye exam can take an hour or more, depending on the doctor and the number and complexity of tests required to fully evaluate your vision and the health of your eyes. screening test that checks your color vision often is performed early in a comprehensive eye exam to rule out color blindness. In addition to detecting hereditary color vision deficiencies, color blind tests also can alert your eye doctor to possible eye health problems that may affect your color vision.