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. Deficiency of vitamin A causes .

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

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.

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. Colour blindness is related with a defect in

1. Rods
2. Cones
3. Eye muscle
4. All of the above

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. Deficiency of vitamin A causes .

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

Q.

Myopic eye defect can be corrected by using convex lens.

1. False

2. True