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Anatomy Second year > Eye > Flashcards

Eye Flashcards

1
Q

Layers of eye from outside to inside

A

Fibrous coat

Vascular coat

Sensory coat

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2
Q

2 parts of fibrous layer

A

Cornea

Sclera

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3
Q

3 parts of Vascular coat

A

Iris

Ciliary body (under sclera)

Choroid (non visible part)

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4
Q

Name of sensory coat

A

Retina

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5
Q

Role of iris

A

Change diameter of pupil

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6
Q

Role of ciliary body

A

Suspends the lens and produces Aques Humor

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7
Q

Role of choroid

A

Supplies blood to retina

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8
Q

Aqueous humor

A

Fills gap between lense and cornea

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9
Q

Fluid inside eyeball

A

Vitreous humor

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10
Q

What is the posterior chamber

A

Behind iris but infront of lens

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11
Q

Where is aqueous humor absorbed

A

Chamber of schlemm

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12
Q

Foremen of orbit

A

Optic foreman

Superior orbital fissure

Inferior orbital fissure

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13
Q

What connects conjunctiva to sclare

A

Fornix

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14
Q

Gland which secretes tears

A

Lacrimal gland

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15
Q

What nerve innervates the lacrimal gland

A

Facial nerve

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16
Q

Teats drain into what in the eye

A

Lacrimal sac

17
Q

Where does lacrimal sca drain

A

Nasolacrimal duct into inferior meatus of nasal cavity

18
Q

Role of intrinsic muscles of eye

A

Change shape of pupil

19
Q

Role of extrinsic muscles of the eye

A

move eye

20
Q

What intrinsic muscles are parasympathetic

A

Constrictor pupillae

Ciliaris

21
Q

What intrinsic muscles are sympathetic

A

Dilator pupillae

22
Q

4 Straight muscles of eye

A

Superior rectus
lateral rectus
medial rectus
inferior rectus

23
Q

2 oblique muscles of the eye

A

Superior oblique

Inferior oblique

24
Q

Main nerve of extrinsic muscles

A

Oculomotor (III)

25
Q

What nerve supplies the Superior oblique

A

Trochlear (IV)

26
Q

What nerve supplies lateral rectus

A

Abducent (VI)

27
Q

What is ophthalmic artery a branch of

A

ICA

28
Q

What foreman does the ophthalmic artery enter orbit through

A

Optic foreman

29
Q

What artery supplies the choroid

A

Short posterior ciliary arteries

30
Q

What do the ohpthalmic veins drain into

A

Cavernous sinus

Anatomy Second year (5 decks)

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