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Examine eyes, using observation, instruments, and pharmaceutical agents, to determine visual acuity and perception, focus, and coordination and to diagnose diseases and other abnormalities, such as glaucoma or color blindness.
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Analyze test results and develop a treatment plan.
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Prescribe, supply, fit and adjust eyeglasses, contact lenses, and other vision aids.
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Prescribe medications to treat eye diseases if state laws permit.
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Educate and counsel patients on contact lens care, visual hygiene, lighting arrangements, and safety factors.