3B Eye: External & Internal Structure of the Eye

11E) Medial Canthus: area where the inferior & superior eyelids meet medially

11E

2) Superior Tarsus: lubricates ocular surface

2

11D) Lateral Canthus: area where the inferior and superior eyelids meet laterally

C

#3) Inferior Tarsus: lubricates ocular surface

3

1) Cornea: refracts light

1

11C) Caruncle

F

#9) Lacrimal Gland: produces tears

9

#9C) Excretory Ducts of Lacrimal Gland: drains the lacrimal gland of tears

9C

#10) Lacrimal Sac: drains tears into nasolacrimal duct

10

11a) Superior Lacrimal Canal: drains tears into lacrimal sac

11A

11b) Inferior Lacrimal Canal: drains tears into lacrimal sac

11B

#7) Palpebral Conjunctiva: secretes mucus to lubricate eye

7

II) Inferior Rectus: depresses eye and turns it medially

A

VI) Inferior Oblique: elevates eye and turns it laterally

B

IV) Lateral Rectus: moves eye laterally

C

I) Superior Rectus: elevates eye and turns it medially

D

V) Superior Oblique: depresses eye and turns it laterally

E

III) Medial Rectus: moves eye medially

F

3A) Iris: controls how much light enters the eye

3A

3b) Pupil: lets light enter eye

3B

2) Sclera: helps maintain eyeball shape

2

1) Cornea: refracts light

1

6) Choroid: vascularizes eye

A

III) Medial Rectus: moves eye medially

B

#4) Ciliary Muscle: helps change lens shape

4

#15) Lens: refracts light

15

#16) Vitreous Humor: helps keep retina in place (against wall of eyeball)

16

#1) Cornea: refracts light

1

#3A) Iris: controls how much light enters the eye

A

#5) Ciliary Processes: secretes aqueous humor

5

#13) Fovea Centralis: provides sharp central color vision

C

#17) Optic Nerve: CN#2, transmits visual signals from optic disc

D

#14) Blind Spot: total insensitivity to light

E

#9) Retina: vision

9

#3b) Pupil: lets light enter eye

G