Question

farsightedness and nearsightedness difference between std 10 sci1​

Answer 1

→ Farsightedness

• In this defect, person clearly sees all the far away objects, but can't see nearby objects.
• It is caused due to decrease in curvature of eye lens.
• It is corrected using convex lens

→ Nearsightedness

• In this defect person can't see the far away objects but can see nearby objects clearly.
• Caused due to increase in curvature of eye lens.
• It is corrected using concave lens