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Q.

Is it true that the least distance of distinct vision increases with age[33][34]?


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a

True

b

False  

answer is A.

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Detailed Solution

The above statement is True.
 The least distance of distinct vision is the shortest distance at which humans can clearly view objects without strain. A typical human has a 25 cm minimum distance of clear eyesight. The shortest distance at which young people can see distant objects is 25 cm, though this varies with age. The shortest distance of clear eyesight for neonates is between 5 and 8 cm. The muscles used to change the eye lens become less powerful as a person ages. The least distance of distinct vision for older adults (55 years and older) often increases, as a result, the power of accommodation decreases. Presbyopia is the term used for this defect.
 
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