Ophthalmic Plast Reconstr Surg
January 2007
Purpose: To provide clinical evidence of the duration of botulinum toxin type A (BTX-A) effect when applied in the palpebral lobe of the lacrimal gland in patients with gustatory epiphora.
Methods: Prospective, nonrandomized, nonblinded study. Patients with history of gustatory epiphora were included.