Ocular Anatomy > Unit 2&3 > Flashcards

Unit 2&3 Flashcards

(7 cards)

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1
Q

CN I

A

Olfactory nerve
Sensory
Smell

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2
Q

CN II

A

Optic nerve
Sensory
Provides vision , sends message from the back of the eye to the brain

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3
Q

CN III

A

Oculomotor nerve
Motor
Eye movement, eyelid opening, pupillary constriction, lens accommodation
Superior division & inferior division

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4
Q

Superior division

A

Levator palebrae superiors (move the eyelid muscle)
Superior rectus (SR) moves the eyeball up

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5
Q

Inferior division (IO)

A

Medical recths (MR)
Inferior rectus (IR)
Inferior oblique (IO)
Pupil construction
Accommodation - focusing

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6
Q

Medical rectus

A

Helps move the eye to the midline - adduction

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7
Q

Inferior rectus

A

Eyeball moving down

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Ocular Anatomy
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