Question

A person is suffering from both defects of vision, myopia and hypermetropia. He should use:

• A. no corrective lens
• B. bi-focal lens
• C. convex lens
• D. concave lens

Answer 1

The correct option is B

bi-focal lens

Due to old age some times the person suffers from both myopia and hypermetropia. In that case, one should use bi-focal lens to correct the defect.