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
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