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Then what you need is either a medical doctor (MD) or an ophthalmologist, the latter of which is a medical doctor who specializes in disorders of the eye - a true "eye doctor." An optician is a technician who is trained to fit eyeglasses but would not be able to diagnose your condition or prescribe treatment. An optometrist also is not a medical doctor but receives an academic doctor of optometry (OD) degree after completing the necessary requirements, which then allows him or her to diagnose, treat and manage changes of vision.