Anatomy of eye Flashcards

1
Q

parts of fibrous layer of eye

A

slcear and cornea

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2
Q

parts of vascular cota

A

iris, ciliary body, chorioid

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3
Q

parts of sensory coat

A

retina

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4
Q

what does the cilary body do

A

produces aquous hour and supsends lens

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5
Q

what are the senosry in the retina

A

cones and rods

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6
Q

what is the choroid

A

supplies blood to the outer layers of the retina, it fils back of retina

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7
Q

what is the iris

A

contraol the diameter of the pupil

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8
Q

what type of humor is int eh antioer segment of the eye

A

aqeuous humor

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9
Q

what type of humor is in the posterior segment of the eye

A

vitreous humour

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10
Q

what sepeartes he antieor and postior segments of the eye

A

lens

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11
Q

what is the cilary body connected to

A

cilary and lens

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12
Q

what is the difference in the viscosity of aqueous and virteous humour

A

aqueous humor more watery
vitreous humour is more gel like ,

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13
Q

what is the location of hte anteiror and posterior chamber of the anterior segment of the eye

A

anterior chamnber inrot of iris
postoer , hennign iris but infot of lens

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14
Q

trabecualr meshowrok fucntion

A

spongy tissue that drain eye of aqueous humour

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15
Q

schlemss canal

A

moves fluid from eye to the systemeic circulation

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16
Q

what bones form eye orbit

A

frontal
spelenoid
lacrimal
ethmoid
maxillary
zyogmatic

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17
Q

what is surounidng eyeball

A

orbtial fat

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18
Q

extenral muslce that contoral eyelid

A

occulari ori

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19
Q

layers of eyelid

A

tarsal palte
occuparpit occuli
levator palpebrae superiouris
tarsal plate
meibomian glands
conjunctiva

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20
Q

role of ocnjuctiva

A

thin vascular layer that covvers inner surface of the eyelids and loops back over sclara

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21
Q

where is the lacrimal gland located

A

over latearl superior part of eye orbit

22
Q

what ithe innervationfo the lacrimal appartus

A

parasympatheic through facial nerve

23
Q

where do the tears drain for the lacrimal appartus

A

lacrimal sac

24
Q

what bone doe the lacriaml sac sit over

A

lacrimal bone

25
Q

which meatus of the nasl cavity does the lacrimal apparatus drain into

A

Inferior

26
Q

what are the sympathic mucle of teh intrinsic eye

A

dilator pupillae

27
Q

what is the intsic parasympaic mulce os the eye

A

contrictor pupillae
cilaris muslce

28
Q

what is the innervation of the parasympathtic muscles of the eye

A

3rd crainal nerve

29
Q

what is the origain and insertion fothe levator palpebrae superioris

A

roof of orbit
upper eyelid

30
Q

what is the origin of the superoir oblique and infeir oblique mucles

A

superior oblique - lesser wing of sphenoid
inferior obioble- meidla part of obit floor

31
Q

what is teh nerve that supplies superior oblique

A

trochlear nerve

32
Q

what is the nerve that suppleis lateral revtus

A

abducent (6)

33
Q

what nerves supply all hte eye stucres apart form lr and so

A

oculomotor (3) nerve

34
Q

what nerve carries visual information form the nerve

A

optic nerve (2)

35
Q

what foramen does the optic nerve travel through

A

optic foramen

36
Q

what are the rbaces ofthe the trigemeial neve in the opthalimc divison

A

nasocilary nerve
frontaol brahc
lacriaml brahc

37
Q

what does the nasocilary brach supply

A

medial part of orbit
ethmoidal air sinus
nasal cavity

38
Q

what does frontal branch of the dividie into

A

supraorbital and supratrachal brancehs

39
Q

what does the lacrimal branc supply

A

obrit and lacrimal land

40
Q

arteryal uspply of eyecic

A

ophthalmic artery

41
Q

what is te artoes of the optahlimca atery

A

central vein
short postial cailary artiers
long posteril ciliarty arteres
muscular arteries

42
Q

what is the optic disk

A

start of the opeic nerve

43
Q

divisions of the retna

A

supernasal
superotemproal
inferoii nals
infiero temrpoal

44
Q

what does the central retial artery travel with

A

optic nerve

45
Q

what doe the short posteior cillary arteis supply

A

posterior part of the choroid

46
Q

what do the long posteior cilary aters supply

A

antiero choild and cilary body and iris

47
Q

which veins drain into the cavernous sinus

A

superior and inferio opthalmic viens

48
Q

wher eis the caverous sinus

A

immedaly postieor to teh orbit

49
Q

what passes though cavernous sinsu

A

cn 3, 4 and 6 and carotid nerve

50
Q
A