Choose the option from each pair that makes the following statement correct:
For a farsighted person, the _____ ((a) near point; (b) far point) is always located farther than _____ ((c) 1 m; (d) 25 cm) from the eye and the corrective lens is _____ ((e) converging; (f ) diverging).
Farsightedness is called as hyperopia. In this defect, the distant objects can be seen clearly. But the nearby objects cannot be seen clearly and there is an experience of blurred vision.
Answer and Explanation:
Correct answers :
(a) near point
(d) 25 cm
The near point of a normal human eye is 25 cm.
But when a person suffers from farsightedness, the near point of th eye is beyond 25 cm.
A converging lens is used for the compensation of convergence at incorrect point. It produces the image farther from eye so as to see it clearly.
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from Medical Terminology: Help & ReviewChapter 20 / Lesson 6