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Doctor of Optometry programs take 4 years to complete. They combine classroom learning and supervised clinical experience. Coursework includes anatomy, physiology, biochemistry, optics and visual science, and the diagnosis and treatment of diseases and disorders of the visual system. After finishing the O.D., some optometrists do a 1-year residency program to get advanced clinical training in a specialty. Specialty areas for residency programs include family practice, primary eye care, pediatric or geriatric optometry, vision therapy and rehabilitation, cornea and contact lenses, refractive and ocular surgery, low vision rehabilitation, ocular disease, and community health optometry
All states require optometrists to be licensed. To get a license, a prospective optometrist must have an O.D. from an accredited optometry school and must complete all sections of the National Boards in Optometry. Some states require an additional exam. Many states require optometrists to take continuing education and renew their license periodically.
Source: Bureau of Labor Statistics, U.S. Department of Labor, Occupational Outlook Handbook, 2012-13 Edition