parts and functions of eye Flashcards
1
Q
choroid layer
A
full of blood vessels to deliver the eye the nutrients it needs
2
Q
iris
A
circular muscle that controls the size of the pupil.
3
Q
retina
A
contains sensory cells
4
Q
cilliary muscle
A
contracts and retracts to change the shape of the lens, when looking at something close or nearby.
5
Q
fovea
A
light is focused here and the image is made more sharper.
6
Q
lens
A
makes sure u can see sharply, focuses light onto the retina
7
Q
ligaments
A
are there to keep the lens in it’s place
8
Q
pupil
A
allows light to enter the eye and changes its size based on how much light there is
9
Q
optic nerve
A
transfers image from retina to the brain
10
Q
sclera
A
tough, protective layer around the eye.
11
Q
cornea
A
transparent layer that refracts light into the eye