|
The human eye can focus objects at different distances by adjusting the focal length of the eye – lens. This is due to |
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|
(a) |
presbyopia |
(b) |
near – sightedness |
|
(c) |
accommodation |
(d) |
far – sightedness |
|
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) |
near – sightedness |
|
(c) |
accommodation |
(d) |
far – sightedness |