eye quiz Flashcards
1
Cornea
- protective film
2
Iris
- muscular structure that regulates the amount of light
3
Lens
- focuses light
4
Sclera
- protective, maintains shape
5
Choroid
- contained blood vessels (o2 and nutrients), and maintains volume & temp
6
Retina
- photo receptors, receive and process light image
7
Fovea
- highest visual aquity, central vision, color, fine details
8
Optic Disc (blind spot)
- congregation of all rods/cones
9
Optic Nerve
- relay action potential to the base of the brain
10
Vitreous Humor
- gives shape, regulates pressure
11
Zonules
- holds lens in place
12
Ciliary Body
- make fluid to help iris contract
13
Aqueous Humor
- protective layer/ hydrates eye tissue
14
Pupil
- dilates and contracts to control incoming light