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Presbyopia and Its Correction

Observe the g...

Question

Observe the given figure. Name the eye defect indicated in the figure and also mention the lens used to correct this defect.

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Solution

Defect is Myopia or short Sightedness. It can be corrected by using concave lens of appropriate power.

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Similar questions

Given below is a diagram showing a defect of human eye.

Study it and answer the following questions:

(1) Name the defect shown in figure.

(2) Give two possible reasons for this defect of eye in human being.

(3) Name the type of lens used to correct the eye defect.

(4) Draw a labelled diagram to show how the defect is rectified by using the lens.

Q. (a) A person cannot see nearby objects, then write name of eye defect. Write name of lens used to correct this eye defect.
(b) In brief define 'Tyndall effect'.

Q. A person cannot clearly see objects farther than

12 m

from his eye. Name the defect in vision he is suffering from and the lens that should be used to correct this defect.

Q. Observe the diagram and fill up the following:
a. The diagram shows .......... defect of the eye.
b. .......... lens is used to correct this defect.

Q. Name the type of lens used to correct this defect.

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