Pediatric Eye Disease Investigator Group (PEDIG)

Protocol: E02 - Data Collection for Esotropia Treated with Botulinum Toxin-A Injection
Status: Closed
Start Date: 04/17/2013
End Date: 04/30/2014
Clinical Trial ID: N/A
Public Dataset:  Download

Esotropia Treatment with Botulinum Toxin-A Injection Data Collection



  1. To determine how often PEDIG investigators are using BTX-A injection for treatment of esotropia, information which will be used to assess recruitment potential for the randomized trial.
  2. To describe what types of esotropia patients are being treated with BTX-A injection, information which will be used to refine the eligibility criteria for the randomized trial.   

The secondary, exploratory objectives are to obtain preliminary data on surgical and post-surgical complications of BTX-A and on post-operative alignment and stereoacuity outcomes.


  1. Pediatric Eye Disease Investigator Group. Tonic pupil after botulinum toxin-A injection for treatment of esotropia in children. J AAPOS. 2016 Feb;20(1):78-8


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