Practice Defects & Corrections (4.2) - Chapter 5 : Light Energy

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6 sample questions

Question 1.
Define myopia.
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Think about how distance affects clarity.
Question 2.
What type of lens corrects hypermetropia?
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Remember that these lenses converge light.
3Question 3.
What is myopia?
- An inability to see far
- Inability to see close
- Normal vision
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Think of what you see clearly and what appears blurred.
4Question 4.
True or False: Hypermetropia is corrected with concave lenses.
- True
- False
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Remember which lens type diverges or converges light.
Question 5.
Explain how understanding the nature of light can help in creating better corrective lenses.
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Consider the properties of different lens shapes.
Question 6.
A person experiences difficulty both reading and viewing distant signs. What condition do they likely have? How would both issues be rectified?
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Remember to think about how eye shapes can affect sight.

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