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Advanced Anatomy > Eye > Flashcards

Flashcards in Eye Deck (36)
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1
Q

Where do tears accumulate?

A

lacrimal caruncle

2
Q

Lacrimal gland is mainly controlled by parasympathetics from

A

CN VII (facial)

3
Q

Eyelashes have two glands

A
sebaceous (of Zeis)
apocrine sweat (of Moll)
4
Q

The …. forms each eyelid

A

tarsal plate

5
Q

Tarsal plate glands

A

tarsal glands or Meibomian

6
Q

Tears consist of 3 layers

A

lipid layer from Meibomian
aqueous layer from lacrimal glands
mucous layer from conjunctival goblet cells

7
Q

Sty

A

sebaceous glands are blocked

8
Q

Chalazion

A

blockage of tarsal glands

9
Q

2 major eyelid muscles and 1 minor

A

levator palpebrae superioris
superior tarsal
frontalis

10
Q

Levator palpbrae superioris function

A

main elevator of eyelid

11
Q

Superior tarsal function

A

sympathetic innervation to upper eyelide

12
Q

Frontalis muscle function

A

minor in a raising eyelid

13
Q

One muscle closes the eyelids

A

orbicularis oculi muscle

14
Q

At the apex of the orbit is the …

A

superior orbital fissure

15
Q

The superior orbital fissure transmits the following structures into the orbit

A
oculomotor
trochlear
ophthalmic division of CN V1
abducens 
superior ophthalmic vein
16
Q

Optic canal transmits the … and … off the internal carotid artery.

A

optic CN II and ophthalmic artery

17
Q

Exophthalmos

A

slight protrusion of eyes from Graves’ disease or hyperthyroidism

18
Q

Four rectus muscles arise from ….

A

common tendinous ring

19
Q

The superior oblique muscle runs through a

A

pulley

20
Q

Oculomotor nerve innervates all the extraocular eye muscles except

A

lateral rectus and superior oblique

21
Q

Lateral rectus muscle is innervated by…

Superior oblique?

A

CN VI

CN IV

22
Q

Layers of eye

A

sclera
choroid
retina

23
Q

Cornea is

A

in sclera

24
Q

Iris contains two muscles

A

dilator muscle

sphincter muscle

25
Q

Dilator muscle in iris is .. and sphincter muscle is…

A

sympathetic

parasympathetic

26
Q

Lens is connected to the posterior chamber by

A

zonules or suspensory ligament of lens

27
Q

Ciliary muscle is innervated by… in …

A

parasympathetics in CN III

28
Q

Presbyopia

A

lens elasticity with age

29
Q

Arteries of the eye

A

ophthalmic
posterior ciliary
central retinal

30
Q

Papilledema

A

caused by excessive CSF pressure which causes the optic disc to swell and bleed

31
Q

Fundus during HBP

A

arteries become swollen and restrict venous return called venous nicking

32
Q

Branches off ophthalmic

A

supratrochlear

supraorbital

33
Q

Veins of orbit

A

superior and inferior ophthalmic vein

34
Q

Long ciliary nerve carries

A

pain and sympathetics

35
Q

Short ciliary nerve carries

A

parasympathetics and sympathetics

36
Q

Horners syndrome

A

Associated with tumor of the lung.

Ptsosis, miosis, anhidrosis