A person cannot read newspaper placed nearer than 50 cm from his eyes. Name the defect of vision he is suffering from. Draw a ray diagram to illustrate this effect. List its two possible causes. Draw a ray diagram to show how this defect may be corrected using a lens of appropriate focal length.
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• The person is suffering from the problem of Hypermetropia.
It is also called far sightedness.
Some of the basic reasons causing the problems are as follows:
• If When the focal length of the lens in the yes eyes increase extensively • The second reason is the decrease in the size of the eye ball.
• In order to correct the mistake, it is important to use the convex length lens of suitable focal length.
It is also called far sightedness.
Some of the basic reasons causing the problems are as follows:
• If When the focal length of the lens in the yes eyes increase extensively • The second reason is the decrease in the size of the eye ball.
• In order to correct the mistake, it is important to use the convex length lens of suitable focal length.
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