Parts Of The Eye Flashcards
What does the Pupil do?
Allows light to enter through as it enters the eye.
What do the lens do?
It refracts light to focus it onto the retina.
What do the Ciliary Muscles do?
Adjust the shape of the lens to make it more and less curved,so as to increase or decrease the refraction of light.
What do the suspensory ligaments do?
They Slacken or stretch as the ciliary muscles contract or relax,to adjust the thickness and curvature of the lens.
What does the Retina do?
Contains the light receptors,which trigger electrical impulses to be sent to the brain when light is detected.
What does the Cornea do?
Refracts light as it enters the eye.
What does the Iris do?
The coloured part of the eye,which is made up of muscles that control how much light gets in the pupil.