|
The change in focal length of an eye lens in caused by the action of the |
|||||||
|
(a) |
pupil |
(b) |
retina |
(c) |
ciliary muscles |
(d) |
iris |
|
The change in focal length of an eye lens in caused by the action of the |
|||||||
|
(a) |
pupil |
(b) |
retina |
(c) |
ciliary muscles |
(d) |
iris |