mention three differences between myopia and hypermetropia
Answers
Answer:
Myopia
1. It is also called near-sightedness.
2. Defect of vision in which one cannot see distant objects clearly is known as myopia.
3. It happens when eye ball is too long or the eye lens's refractive power is too high that the image is formed in front of retina.
4. It can be corrected by using glasses containing concave lens.
Hypermetropia
1. It is also called longsightedness.
2. The vision defect in which we cannot see nearby objects clearly is called hypermetropia.
3. It happens when the eyeball is too short or the eye lens's refractive power is too weak that the image is formed behind the retina.
4. It can be corrected by using glasses containing convex lenses.
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Answer:
myopia: distance objects are not clearly visible. it is corrected by using concave lens. in myopia eye, image of distance is formed in front of the retina. hypermetropia : affected persons can see far objects clearly but can not see near by objects clearly. use of convex lens of suitable power can correct the defect. image formed behind the retina.