8 - Opth - Eye movements Flashcards Preview

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Flashcards in 8 - Opth - Eye movements Deck (10):
1

Innervation of extra ocular muscles involved in eye movement

LR6SO4Rest3
CNIII - SR, MR, IR, I oblique
CNIV - S Oblique
CN VI - LR

2

What other muscles are innervated by CNIII

levator palpebrae superioris, sphincter pupillae, ciliary muscle

3

Which muscles adduct the eye

medial rectus (primary)
superior rectus (tertiary)
inferior rectus (tertiary)

4

Which muscles ABduct the eye

lateral rectus (primary)
Superior oblique and inferior oblique (tertiary)

5

Which muscles elevate the eye

Superior rectus (primary)
Inferior oblique (secondary)

6

Which muscles depress the eye

Inferior rectus (primary)
Superior oblique (secondary)

7

Which muscles INtort the eye

Superior rectus (secondary)
Superior oblique (primary)

8

What muscles Extort the eye

Inferior rectus (secondary)
Inferior oblique (primary)

9

When are primary functions maximised?

during ABDuction

10

When are secondary functions maximised?

ADDuction

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