Define each of the following terms. 1. emmetropic 2. astigmatism 3. hyperopic 4. myopic 5. poerbyopia 6.
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Question:
Define each of the following terms.
1. emmetropic
2. astigmatism
3. hyperopic
4. myopic
5. poerbyopia
6. visual acuity
7. refractions
8. accommodation
B. Short-Answer Questions
1. Explain the difference between viewing a discount object and viewing one close to the eye.
2. How is the snellen eye chart used to measure visual acuity?
3. Describe how the lens changes shape to view a close object.
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