Question

Exercises
1.
2.
The human eye can focus objects at different distances by adjusting the focal
length of the eye lens. This is due to
(a) presbyopia.
(b) accommodation.
(c) near-sightedness.
(d) far-sightedness.
The human eye forms the image of an object at its
(a) cornea (b) iris (C) pupil (d) retina.
The least distance of distinct vision for a young adult with normal vision
about
(a) 25 m. (b) 2.5 cm. (c) 25 cm. (d) 2.5 m.
The change in focal length of an eye lens is caused by the action of the
(a) pupil (b) retina (C) cillary muscles. (d) Iris.


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Answer 1

a is accomadation

b is retina

c is 25 cm

d is cillarry muscle

please rate and like also

Answer 2

Answer:

1 accommodation

2retina

3 25cm

4 cillary muscle