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Ravi got his eyes tested. The optician prescription for the spectacle read: Left eye = -3 D and right eye = -3.5 D. Answer the below questions by reading the above information.

1. Powers of the spectacles required to correct both the eyes are negative. Which lens should be used to correct?

(i) Concave lens

(ii) Convex lens

2. Name the defect of vision he is suffering from.

(i) Myopia

(ii) Hypermetropia

3. What is the far point of an eye suffering from myopia?

(i) Zero

(ii) Infinity

4. A person with myopia defect of vision cannot see which objects ?

(i) Distant objects

(ii) Near objects

5. Why the far point of an eye suffering from myopia is infinity ?

(i) Due to eye ball being too short

(ii) Due to eye ball being too long

1 Answer

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by (32.0k points)
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Best answer
1. (i) Concave lens

2. (ii) Myopia

3. (ii) Infinity

4. (i) Distant objects

5. (ii) Due to eye ball being too long

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