Question

Please answer in 25 mins. I will mark you as brainliest​

Answer 1

Explanation:

The vision becomes blurred due to the refractive defects of the eye. There are mainly three common refractive defects of vision. These are (i) myopia or near-sightedness, (ii) Hypermetropia or far- sightedness, and (iii) Presbyopia. These defects can be corrected by the use of suitable spherical lenses.