Question

(a) Distinguish between the eye defects 'Myopia' and 'Hypermetropia'
with the help of appropriate ray diagrams. How are these eye defects
corrected ? Why do some persons suffer from myopia and hypermetropia
simultaneously ?
(b) A person looking at a net of crossed wites is able to see the vertical wires
more distinctly as compared to horizontal wires. Identify this defect of
vision. What is the cause of this defect and how is this defect corrected ?​

Answer 1

Explanation:

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Answer 2

Answer:

Myopia : Long sightedness

Hypermetropia : Short sightedness