Lab Eye And Vision Flashcards
0
Q
Medial rectus
A
III Oculomotor
Moves medially
1
Q
Lateral rectus
A
VI Abducens
Lateral movement
2
Q
Superior rectus
A
III Oculomotor
Moves superiorly
3
Q
Inferior rectus
A
III Oculomotor
Moves inferiorly
4
Q
Inferior oblique
A
III Oculomotor
Moves superiorly & laterally
5
Q
Superior oblique
A
IV Trochlear
Moves inferiorly & laterally
6
Q
Snellen test
A
Measures visual acuity from 20 ft away
Cover 1 eye w/ 3x5 card
20/20 normal
7
Q
Astigmatism test
A
Parallel lines on chart blurry or light
8
Q
Blind spot
A
Found in optic disk
9
Q
Rhodopsin
A
Photosensitive pigment of eye
Retinal & opsin
10
Q
Binocular vision
A
Allows depth vision
11
Q
Iris
A
Gives eye color
12
Q
Radial muscles
A
Constrict in dim light increase pupil diameter
13
Q
Lens
A
More to focus closer images
14
Q
Vitreous humor
A
Maintains shape of eye
