Cosmetic botulinum toxin type A induced ptosis presenting as myasthenia.

Conflicts of Interest: The authors have no conflicts to disclose. Disclosures: This study was supported by an Unrestricted Grant from Research to Prevent Blindness, Inc. Correspondence: Ravi Parikh, B.A., 2107 Fairfax Ave., Suite 201, Nashville, TN 37212, U.S.A. ([email protected])