anatomy of the eye Flashcards

1
Q

the bony orbit of teh eye is what shpe

A

pyrmaidal

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2
Q

the base of the bony orbit opens into the

A

face

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3
Q

the apex of the bpony orbit extends to the

A

posteromedial portion ( optioc formaen)

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4
Q

bony orbit roof

A

frontal spehnoid

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5
Q

bony orbit floor

A

maxillae zygomatic palatine

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6
Q

lateral wal of the bony orbit

A

zygomatic and sphenoid

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7
Q

medila wall of te bony orbit

A

lacrimal ethmoid maxilla spehnoid

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8
Q

orbital fissures and formina

A

superiro and inferior orbital fissures , ethmoidal fromina and optic canal

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9
Q

optic canal transmits

A

optic nerve and its meningeal sheaths and the opthalmic arteyr

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10
Q

superior orbital fissure transmits

A

cranial nerve 3,4 opthalmic of 5, 6 and branches opthalmic nerve and opthalmic vein

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11
Q

ethmoidal foramina transmist

A

ethmodial vessels & nerves

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12
Q

inferior orbital fissure transmists

A

infraorbital and zygomatic branches of maxillary nerve and vessels

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13
Q

muscles of the eye

A

extra and intra ocular
extra movemnt of the eye
intra shape of the lens control the pupil size

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14
Q

extrinsic muslces of teh ye

A

4 recti ( superior inferior medial andlateral )
2 oblique ( superior inferior)
levator palpebrae superioris

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15
Q

nerve supply of teh exrrinsic muscles of the eye

A

oculomotor nevre
SO4 LR6

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16
Q

THE intrinsic muscles of the eye

A

cillary msucles
dilattaor and sphincter pupillae muscle

17
Q

nerve sypply of the intrinsic muscles

A

3 para sympathtic excpet for the dilator sympathetic

18
Q

motor nerves pof teh orbity

A

3,4,6

19
Q

sensory nerve sof the orbit

A

optic
opthalmic nerve divion of the trigemnal nerve

20
Q

the coats of the eye ball

A

outer fibrous coat
middle pigemnetd vascular coat
inner nervous coat

21
Q

the outer fibrous coat conisists of

A

sclera and the cornea ; sixth anteriro transperent psrt
5/6 posterior part of the yeball

22
Q

miidle pigemnted vacular coat

A

ciliary bdoy
choroid
iris

23
Q

the outer fibrous coat is pierced

A

posteriorly by the optic nerve and its dural sheath

24
Q

the cornea

A

transperent
refarcts the light into the eye
it is in contact posteriorly with teh aqueus humor

25
Q

what is in contact posteriorly with the aqueous humor

A

cornea

26
Q

the choroid is a

A

dark pigemned membrane
btween the sclera and the retina of the eye

27
Q

function of the choroid

A

supplies the outer part of the retina

28
Q

ciliary body is continuous with the

A

choroid

29
Q

the ciliary body contains

A

ciliary muscle and ciliary processes

30
Q

the ciliary body is conncted to the lens by the

A

suspensory ligaments

31
Q

fucntion of the ciliary body

A

change the dhape and size of the lens
and secrete aqueous humor

32
Q

the iris contains a central aperature

A

the pupil

33
Q

the iris is in the

A

aqeuos humor

34
Q

the iris is between the

A

cornea and the lens

35
Q

function of teh iris

A

control the diameter of teh pupil

36
Q

teh contents of teh eye ball

A

vitrous body
retina
aqueous humor