Far Sightedness Hypermetropia
Far Sightedness Hypermetropia
Far-sightedness (Hypermetropia): Some people cannot see nearby objects clearly, although they can see distant objects clearly. This defect is called far-sightedness, long- sightedness, hypermetropia or hyperopia. It arises mainly due to two reason
People suffering from far-sightedness have difficulty in reading a book or a newspaper, or viewing a small object placed close to the normal near point, N (at 25 cm). People suffering from far-sightedness have to keep reading material or an object much farther away to see clearly. In other words, their near point, N', is farther than the normal near point, N Correcting far-sightedness: To see an object placed at the normal near point, N, clearly, its sharp image should be formed on the retina. For this, the rays should seem to be coming from N', the near point of the defective eye. To do this, the rays are made less divergent by placing a convex lens in front of the eye as in figure (c). Rays of light coming from N pass through the convex lens. When produced backwards, the emergent rays meet at the point N'. Thus, a sharp image is formed on the retina.
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Far sightedness is also known as _____________________. | |||
| Right Option : D | |||
| View Explanation | |||
Which of the following are correct : (a) In farsightedness, people cannot see far objects clearly, although they can see nearby objects clearly. (b) In farsightedness, people cannot see nearby objects clearly, although they can see distant objects clearly. | |||
| Right Option : B | |||
| View Explanation | |||
Which of the following are correct : (a) In farsightedness, people cannot see far objects clearly, although they can see nearby objects clearly. (b) In farsightedness, people cannot see nearby objects clearly, although they can see distant objects clearly. (c) Far-sightedness is also known as myopia. (d) In farsightedness, Convex lens used to correct far sightedness. | |||
| Right Option : D | |||
| View Explanation | |||
Students / Parents Reviews [20]
My experience with Abhyas Academy has been very good. When I was not in Abhyas whenever teacher ask questions I could not speak it confidently but when I came in Abhyas, my speaking skills developed and now I am the first one to give the answer of teachers question.
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Om Umang
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Archit Segal
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Anika Saxena
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Aman Kumar Shrivastava
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Eshan Arora
8thAbhyas institute is one of the best coaching institute in the vicinity of Ambala Cantt area. The teachers of the institute are well experienced and very helpful in solving the problems of the students.The good thing of the institute is that it is providing extra classes for the students who are w...
Aman Kumar Shrivastava
10thI have spent a wonderful time in Abhyas academy. It has made my reasoning more apt, English more stronger and Maths an interesting subject for me. It has given me a habbit of self studying
Yatharthi Sharma
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8thAbhyas academy is great place to learn. I have learnt a lot here they have finished my fear of not answering.It has created a habit of self studying in me.The teachers here are very supportive and helpful. Earlier my maths and science was good but now it has been much better than before.
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Manya
8thAbhyas institute is one of the best coaching institute in the vicinity of Ambala cantt.The institute provides good and quality education to the students.The teachers are well experienced and are very helpful in solving the problems. The major advantages of the institute is extra classes for weak...
Shreya Shrivastava
8thMy experience with Abhyas academy is very nice or it can be said wonderful. I have been studying here from seven class. I have been completing my journey of three years. I am tinking that I should join Abhyas Academy in tenth class as I am seeing much improvement in Maths and English
Hridey Preet
9thIn terms of methodology I want to say that institute provides expert guidence and results oriented monitering supplements by requsite study material along with regular tests which help the students to improve their education skills.The techniques of providing education helps the students to asses...
