The role of botulinum toxin a in acute-onset esotropia 11The authors have no financial interest in the material presented in this article.

To establish the effectiveness of botulinum toxin A (BTXA) in the treatment of patients with acute acquired concomitant esotropia.Retrospective, interventional, noncomparative case series.Fourteen patients presenting to the Strabismus and Pediatric Service at Moorfields Eye Hospital with acute-onset esotropia over a 6-year period (1991-1997).2.5 units of BTXA injected into the unilateral medial rectus muscle of the deviating eye under...