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2. 2 Understand refractive errors visual acuity and how they are corrected. objective:

3. Length of normal eye 3

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7. 7 Light rays entering the cornea do not focus at a single point, thus causing VISION

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9. Retina 9 Light Cornea

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14. 14 optometrist ophthalmologist Trained professional who makes and fits eyeglasses and contact lenses. State-licensed professional who diagnoses and treats vision problems Medical and surgical doctor specializing in the eyes and vision health.

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