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Extraocular Muscles

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Muscle Innervation Primary function Secondary function Tertiary function
Levator palpebrae superioris Oculomotor nerve Elevation of the superior (upper) eyelid . .
Superior rectus Oculomotor nerve Elevation Intorsion Adduction
Inferior rectus Oculomotor nerve Depression Extorsion Adduction
Lateral rectus Abducens nerve Abduction . .
Medial rectus Oculomotor nerve Adduction . .
Superior oblique Trochlear nerve Intorsion Depression Abduction
Inferior oblique Oculomotor nerve Extorsion Elevation Abduction

Eye Muscle Anatomy

BEFORE & AFTER

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