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In page Danger triangle of the face:

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Failure of CN III will result in loss of function of the following muscles: medial rectus, superior rectus, inferior rectus, and inferior oblique, as well as muscles that are responsible for opening the eyelid: the levator palpebrae superioris muscle and the superior tarsal muscle (Müller's muscle). CN III damage also results in loss of parasympathetic innervation of the eye (loss of pupillary constriction and lens accommodation).[citation needed]