Power of Accommodation Flashcards
1
Q
What do you mean by power of accommodation?
A
The ability to see the distant and the nearby objects at retina by changing its focal length
2
Q
What is the power of accommodation of a normal human eye?
A
25cm
3
Q
how does it focus distant objects?
A
To focus on distant objects the ciliary muscles relax which makes the eye lens thin.
4
Q
How does it focus on nearby objects?
A
To focus on the nearby objects the ciliary muscles contract which makes the eye lens thick.
5
Q
When we see distant object the focal length?
A
Increases
6
Q
When we see the nearby objects the focal length?
A
decreases
