What Do Optometrists Do? Optometrists, also known as doctors of optometry, or ODs, are health care professionals who specialize in vision and eye care, but are not medical doctors. They examine people’s eyes to diagnose vision problems, such as nearsightedness and farsightedness, and they test patients’ depth and color perception and ability to focus and coordinate the eyes. Optometrists may prescribe eyeglasses or contact lenses, or they may prescribe or …Read More