Give reasons.
1. Convex lens spectacles are used for the correction of hypermetropia.
2. Concave lens spectacles are used for the correction of myopia.
Answers
Answer:
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Give reasons.
1. Convex lens spectacles are used for the correction of hypermetropia.
answer - Both myopia and hypermetropia can be easily corrected by the Optometrist at your local Vision Express, using prescription glasses or contact lenses specifically designed to counteract their effects. ... Longsightedness is corrected using a convex (outward facing) lens.
2. Concave lens spectacles are used for the correction of myopia.
answer- A concave lens is used to correct short-sightedness (myopia). A short sighted person's focus is focusing before the back of the eyeball. The concave lens pushes the rays of light further apart so that they arrive together in proper focus at the back of the eye.
Answer:
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