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
which meatus of the nasl cavity does the lacrimal apparatus drain into
Inferior
26
what are the sympathic mucle of teh intrinsic eye
dilator pupillae
27
what is the intsic parasympaic mulce os the eye
contrictor pupillae cilaris muslce
28
what is the innervation of the parasympathtic muscles of the eye
3rd crainal nerve
29
what is the origain and insertion fothe levator palpebrae superioris
roof of orbit upper eyelid
30
what is the origin of the superoir oblique and infeir oblique mucles
superior oblique - lesser wing of sphenoid inferior obioble- meidla part of obit floor
31
what is teh nerve that supplies superior oblique
trochlear nerve
32
what is the nerve that suppleis lateral revtus
abducent (6)
33
what nerves supply all hte eye stucres apart form lr and so
oculomotor (3) nerve
34
what nerve carries visual information form the nerve
optic nerve (2)
35
what foramen does the optic nerve travel through
optic foramen
36
what are the rbaces ofthe the trigemeial neve in the opthalimc divison
nasocilary nerve frontaol brahc lacriaml brahc
37
what does the nasocilary brach supply
medial part of orbit ethmoidal air sinus nasal cavity
38
what does frontal branch of the dividie into
supraorbital and supratrachal brancehs
39
what does the lacrimal branc supply
obrit and lacrimal land
40
arteryal uspply of eyecic
ophthalmic artery
41
what is te artoes of the optahlimca atery
central vein short postial cailary artiers long posteril ciliarty arteres muscular arteries
42
what is the optic disk
start of the opeic nerve
43
divisions of the retna
supernasal superotemproal inferoii nals infiero temrpoal
44
what does the central retial artery travel with
optic nerve
45
what doe the short posteior cillary arteis supply
posterior part of the choroid
46
what do the long posteior cilary aters supply
antiero choild and cilary body and iris
47
which veins drain into the cavernous sinus
superior and inferio opthalmic viens
48
wher eis the caverous sinus
immedaly postieor to teh orbit
49
what passes though cavernous sinsu
cn 3, 4 and 6 and carotid nerve
50