Question

Defects in human eye myopia and hypermyopia

Answer 1

Myopia : person not able to see distant objects but could see the nearby objects.
cause :
• Eye ball being too long
•lens having high converging power
correction: Concave lens

Hypermetropia: person not able to see nearby objects but could see distant objects.
cause:
•eye ball being too short.
•lens having low converging power
correction : convex lens...

Answer 2

Answer:

Explanation:

Defects in Myopia

Myopia is also known as short - Sightedness

A person is suffering from myopia can see only near objects but cannot distinctly see any object lying beyond a certain distance. Concave lens is used to remove it.

Hypermetropia it is also known as Long sightedness

A person suffering from hypermetropia can see the distant objects clearly but not the near objects. Convex lens is used to remove it.