Mainly to cover determining a prescription for glasses, to help pay for glasses or contact lenses, and to cover a yearly routine evaluation of the health of the eyes in a healthy patient that has no particular problems or symptoms. It is not equipped to deal with and does not usually cover medical conditions, injuries, and/or treatments. Medical insurance is designed to cover you when you have a medical problem, including one that affects your eyes like high blood pressure, high cholesterol, or diabetes. It also applies when you have an eye disease or eye problem such as an infection (pink eye), dry eyes, allergy, or cataracts. Medical insurance does not cover routine services or examinations for glasses, or routine vision problems such as nearsightedness, farsightedness, and astigmatism.