Common Eye Defects

Q.

Where is the image formed in myopia?

1. On the retina

2. In front of the retina

3. On the blind spot

4. Behind the retina

Q.

Myopic eye defect can be corrected by using convex lens.

1. False

2. True

Q.

A student is not able to see what is written on the black board while sitting in the last row. What is the defect of vision in this case?

1. Myopia

2. Hypermetropia

3. Presbyopia

4. Astigmatism

Q.

On the roads, why is a colour blind person a dangerous driver?

1. The lens of their eyes are opaque.

2. They cannot distinguish between colours.

3. They can't see in the dark.

4. They can't see nearby objects clearly.

Q. Deficiency of vitamin A causes .

1. night blindness
2. weakness of bones
3. fatigue