Question

I) which defect of vision is indicated in the figure?
ii) what are the possible reasons for this defect ?
iii) How is the above defect correctly?​

Answer 1

Answer:

1. defect is hypermetropia.

2. When size of eye ball increase

3. By using spectacle of convex lens.

Explanation:

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Answer 2

Answer:

hypermetropia

Explanation:

I) Hypermetropia or farsightedness is the defect of vision is indicated in the given figure.

ii) There are tourism for farsightedness

1 ) Curvature of the cornea and the island's decreases so that the converging power of the lens becomes less.

2) Due to flattening of the eyeball the distance between the lens and retina decreases.

iii) the about defect can be corrected by using a convex lens with proper focal length. This lens converges the incident ray before they reach the lens . The lengths then converges them to the form of image on the retina.