8 - Opth - Eye movements Flashcards

1
Q

Innervation of extra ocular muscles involved in eye movement

A

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

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2
Q

What other muscles are innervated by CNIII

A

levator palpebrae superioris, sphincter pupillae, ciliary muscle

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3
Q

Which muscles adduct the eye

A
medial rectus (primary)
superior rectus (tertiary)
inferior rectus (tertiary)
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4
Q

Which muscles ABduct the eye

A
lateral rectus (primary)
Superior oblique and inferior oblique (tertiary)
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5
Q

Which muscles elevate the eye

A
Superior rectus (primary)
Inferior oblique (secondary)
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6
Q

Which muscles depress the eye

A
Inferior rectus (primary)
Superior oblique (secondary)
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7
Q

Which muscles INtort the eye

A
Superior rectus (secondary)
Superior oblique (primary)
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8
Q

What muscles Extort the eye

A
Inferior rectus (secondary)
Inferior oblique (primary)
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9
Q

When are primary functions maximised?

A

during ABDuction

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10
Q

When are secondary functions maximised?

A

ADDuction

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