Ch. 11 Functions of parts of Eye Flashcards
1
Q
Cornea
A
Refraction of light
2
Q
Choroid
A
Blood supply
3
Q
Ciliary body
A
Secretion of vitreous fluid, helps change the shape of lens
4
Q
External ocular muscles
A
Movement of the globe
5
Q
Eyelid
A
Protection for the eye
6
Q
Iris
A
Contracts or relaxes to control the amount of light entering the eye through the pupil
7
Q
Lacrimal glands
A
Secretion of tears
8
Q
Lens
A
Light refraction
9
Q
Optic nerve
A
Transmission of visual information to the brain
10
Q
Retina
A
Transforms optic signals into nerve impulses
11
Q
Retina (Rods)
A
Distinguish light from dark; perceive shape and movement
12
Q
Retina (Cones)
A
Color vision
13
Q
Sclera
A
External Protection
