Question

Differentiate between myopia and hypermetropia. What type of spectacles should be worn by a person having the defects of myopia as well as hypermetropia? How does it help ?

Answer 1

Answer:

Explanation:

In Myopia, the person can see nearby objects, but cannot see far objects clearly. In Hypermetropia, the person can see far objects clearly, but cannot see near objects clearly. In people with myopia, the image is formed in front of retina in the eye. ... Hypermetropia is corrected using the Double-Convex lens

Answer 2

Answer:

they should wear spectacles having bifocal lens