Question

What is corrective lens ?
Can any body explain this paragraph.​

Answer 1

Explanation:

concave and convex lens................................

Answer 2

Answer:

corrective lenses here means the power of the lenses is known to the person testing your your eye inorder to get the correct combination of lenses to remove the eye  defect a person might be having.it is better known to an experienced person.

hope you find your answer in the above paragraph

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Explanation: