Cataract

Q.

what is the difference between myopia and presbyopia

Q. When is a person said to have developed cataract in his eye ? How is the vision fo aperson having cataract restored ?

Q. Name the defect of vision which makes the eye-lens cloudy resulting in blurred vision.

Q.

Name one defect of vision that cannot be corrected by any type of spectacle lens.

Q.

Name one defect of vision that cannot be corrected by any type of spectacle lens. Explain in brief that defect. In a myopic eye, the image of a distant object is formed in front of retina and not at the retina itself. Why does this defect arise? [3 MARKS]

Q. The defect of vision in which the eye-lens of a person gets progressively cloudy resulting in blurred vision is called.
(a) myopia (b) presbyopia (c) colourblindness (d) cataract

Q. The defect of vision which cannot be corrected by using spectacles is :
(a) myopia (b) presbyopia (c) cataract (d) hypermetropia

Q.

Older people require glasses to read and write. Why?

Q.

What are the two defects of eyes in which near vision and far vision are exclusively affected?

1. Myopia
2. Astigmatism
3. Hypermetropia
4. Teary eyes

Q. A student has difficulty reading the blackboard while sitting in the last row. What could be the defect? How can it be corrected? [2 MARKS]

Q.

What is far point of a person suffering from myopia?

Q.

Give technical/biological terms for:

An eye defect in old people when they are unable to see nearby objects.

Q. Identify the type of eye defect from the following pictures.

1. 
2. 
3. 
4. 

Q.

Choose the word opposite in meaning to the given word relinquish

Q. The eye defect astigmatism can be corrected by using

1. Concave lens
2. Convex lens
3. Cylindrical lens
4. Surgery

Q.

In which type of disability the person will have a shorter far point?

1. Myopia

2. Hypermetropia

3. Cataract

4. None of these

Q. Question 2
A person with a myopic eye cannot see objects beyond 1.2 m distinctly. What should be the type of the corrective lens used to restore proper vision?

Q. Name the defect of vision which makes the eye-lens cloudy resulting in blurred vision.

Q. Name one defect of vision (or eye) which cannot be corrected by any type of spectacle lenses.

Q. How can a person suffering from cataract restore his vision?

1. Medicine
2. Using power lenses
3. Cataract surgery
4. Peepal leaves

Q.

Far sightedness is term also used for

Q.

Identify The Feminine Form Of The Given Noun Fox.

Q.

Give the biological/technical terms for the following.

The lens of eye losing flexibility resulting in a kind of long-sightedness in middle aged people.

Q. When is a person said to have developed cataract in his eye? How is the vision of a person having cataract restored?

Q. What is the clouding of the eye's natural lens called?

1. Astigmatism
2. Cataract
3. Hypermetropia
4. Myopia