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Question
Observe the following diagram and answer questions following it:

- Identify the defect of vision shown.
- List its two causes.
- Name the type of lens used for the correction of this defect.
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Solution
- Myopia.
- Prolonged reading and other close-up eye activities; genetic factors; stress from the environment; etc.
- Concave lens are diverging lenses, which diverge upon seeing rays to meet them on the retina.
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