Typical effects of ageing on the special senses include gradual loss o

1.	Typical effects of ageing on the special senses include gradual loss of A. Near vision. B. Olfactory sensitivity (hyposmia). C. 90 per cent of the accommodative power of the lens during the lifespan. D. Hearing affecting bone and air conduction similarly. E. Hearing affecting high and low frequencies similarly.
Answer» A. True Recession of the near point is typical of the ageing eye (presbyopia); vision at 20–30 cm deteriorates. B. True It affects over 70 per cent of elderly people. C. True It falls from 10–15 dioptres in childhood to 5–10 at 30 and to about 1 dioptre at 70. D. True It is a sensorineural deafness (presbycusis). E. False High-pitched sounds are more affected.

Typical effects of ageing on the special senses include gradual loss of A. Near vision. B. Olfactory sensitivity (hyposmia). C. 90 per cent of the accommodative power of the lens during the lifespan. D. Hearing affecting bone and air conduction similarly. E. Hearing affecting high and low frequencies similarly.

Answer»

A. True Recession of the near point is typical of the ageing eye (presbyopia); vision at 20–30 cm deteriorates.

B. True It affects over 70 per cent of elderly people.

C. True It falls from 10–15 dioptres in childhood to 5–10 at 30 and to about 1 dioptre at 70.

D. True It is a sensorineural deafness (presbycusis).

E. False High-pitched sounds are more affected.

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