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

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
what is in contact posteriorly with the aqueous humor
cornea
26
the choroid is a
dark pigemned membrane btween the sclera and the retina of the eye
27
function of the choroid
supplies the outer part of the retina
28
ciliary body is continuous with the
choroid
29
the ciliary body contains
ciliary muscle and ciliary processes
30
the ciliary body is conncted to the lens by the
suspensory ligaments
31
fucntion of the ciliary body
change the dhape and size of the lens and secrete aqueous humor
32
the iris contains a central aperature
the pupil
33
the iris is in the
aqeuos humor
34
the iris is between the
cornea and the lens
35
function of teh iris
control the diameter of teh pupil
36
teh contents of teh eye ball
vitrous body retina aqueous humor