unit 2 Flashcards
1
Q
cn 2
A
optic nerve * Main nerve for providing vision
2
Q
cn 3
A
Oculomotor Nerve
3
Q
cn 4
A
- Innervates superior oblique muscle eye movement
4
Q
cn 5
A
CN V - Trigeminal Nerve
5
Q
CN VI
A
Innervates lateral rectus muscle (LR)
Function: eye movement LR
6
Q
cn 7
A
Facial Nerve
Innervates Lacrimal and Salivary Glands
7
Q
arteries
A
blood away from the heart; Bringing blood to the eye.
8
Q
- Internal carotid
A
enters the head via the carotid canal.
9
Q
how many vortex vein drain retina
A
- 4 to 8 vortex veins drain retina
10
Q
- Macula
fovea
A
3-5mm diameter area
1.5mm
11
Q
Visual Pathway of Light
A
- Cornea
- Anterior chamber
- Pupil
- Lens
- Vitreous chamber
- Retina
◦ Macula
◦ Fovea - Optic Nerve
12
Q
- Layers of the cornea
A
◦ Epithelium
◦ Bowman’s layer
◦ Stroma thickest layer
◦ Descemet’s membrane
◦ Endothelium
13
Q
Conjunctiva
A
covers the sclera or white part of the eye
14
Q
Ciliary body
A
Controls accommodation
15
Q
Trabecular meshwork
A
Filters aqueous fluid
