If you examine eyeglasses for nearsighted people, you will find the lenses are thinnest in the center and of what shape?
- Correct Answer: concave
- square
- convex
- asymmetrical
Explanation: Discussion The negative power indicates a diverging (or concave) lens, as expected. The spectacle produces a case 3 image closer to the eye, where the person can see it. If you examine eyeglasses for nearsighted people, you will find the lenses are thinnest in the center. Additionally, if you examine a prescription for eyeglasses for nearsighted people, you will find that the prescribed power is negative and given in units of diopters.
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