CBSE Class 10 English Unseen Passage M

Read CBSE Class 10 English Unseen Passage M below, students should read unseen passage for class 10 English available on with solved questions and answers. These topic wise unseen comprehension for class 10 English with answers have been prepared by English teacher of Grade 10. These short passages have been designed as per the latest syllabus for class 10 English and if practiced thoroughly can help you to score good marks in standard 10 English class tests and examinations

CBSE Class 10 English Unseen Passage M. Students should do unseen passages for class 10 English which will help them to get better marks in English class tests and exams. Unseen passages are really scoring and practicing them on regular basis will be very useful. Refer to the unseen passage below with answers.

Read the following passage carefully.

1.A cataract is a cloudy area in the lens or lens capsule of the eye which blocks or distorts light entering the eye. Cataract mostly occurs in both eyes, but sometimes, it is restricted to a single eye too. During the time cataracts are forming, frequent changes in eyeglass prescriptions can be advised to better one’s vision.

2.The most common form of cataract is the senile cataract. This is a malady of old age, probably due to changes in the chemical state of lens proteins. Traumatic cataracts develop when a foreign body enters the lens capsule with enough force to cause specific damage. Complicated cataracts occur if one has suffered ailments like diabetes mellitus and hypothyroidism or other eye disorders like detached retinas, glaucoma and retinitis pigments. Infra-red rays can also cause this type of cataract. And toxic cataracts can result from medicine or chemical toxicity. Smokers have an increased risk for developing cataracts. Sometimes, a baby can be born with a cataract on one or both eyes if its mother had German measles (rubella) during her pregnancy.

3.One can prevent the onset of cataract by limiting exposure to X-rays, microwaves and infra-red radiation, using sunglasses to block ultraviolet (UV) light, avoiding overexposure to sunlight, by avoiding smoking and heavy drinking. Eat a lot of foods high in beta-carotene and Vitamin C, which are believed to help prevent or delay cataracts.

4.If the vision loss caused by a cataract is only slight, surgery may not be needed. A change in your glasses, stronger bifocals or the use of magnifying lenses and taking precautionary measures to reduce glare may help improve your vision.

5.Modern cataract surgery is safe and effective. Surgery, more often than not, can be done on an outpatient basis or may involve no more than an overnight hospital stay. A person who undergoes cataract surgery usually gets an artificial lens at the same time. This is a plastic disc called an intraocular lens placed in the lens capsule inside the eye. Other choices are contact lenses and cataract glasses. It takes a couple of months for an eye to heal after cataract surgery. Experts say it is best to wait until your first eye heals before you have surgery on the second eye if it, too, has a cataract. 

Answer the following questions briefly. 

1.How does cataract affect a person’s vision?

2.How can vision be improved when cataracts are in the process of being formed?

3.What is the chief cause of cataract in the aged?

4.What type of cataract can infra-red cause?

5.How can the onset of cataract be prevented?

6.What king if diet cat prevent or delay cataracts?

7.In what cases do doctors not advise cataract surgery?

8.Why it not advisable to get the cataract surgery done for both the eyes simultaneously?

9.Which word in paragraph 2 of the passage means the same as “a disease of the body”?

Suggested answers of the above passage:

1.Cataract is a cloudy area in lens or lens capsule of the eye which blocks or distorts light entering the eye.

2.When cataract is in process of being formed frequent changes in eyeglass prescription can be advised to better ones vision.

3.Chief cause of cataract in the aged is due to changes in the chemical staled of lens proteins.

4.Complicated cataract can occur due to infra- red rays.

5.The onset of cataract can be prevented by limiting exposure to x-rays, microwaves and infra- red realisations, using sunglasses to block UV rays, by avoiding heavy smoking and heavy drinking.

6.Foods high in beta- carotene and vitamin C can prevent or delay cataract.

7.If the vision loss due to cataract is slight, then surgery is not needed a change in glasses and by taking precautionary measures to reduce glare helps to implore the vision.

8.It is advised to get the cataract surgery done for both the eyes simultaneously because it takes a couple of months for an eye to hear after cataract surgery.




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