Protocol: IXT3 - A Pilot Randomized Clinical Trial of Overminus Spectacle Therapy for Intermittent Exotropia Status: Closed Start Date: 12/02/2014 End Date: 05/15/2015 Clinical Trial ID: NCT02223650 Public Dataset: Download A Pilot Randomized Clinical Trial of Overminus Spectacle Therapy for Intermittent Exotropia Protocol Primary Objective: The objective of this short-term, pilot randomized trial comparing 2.50D overminus lens treatment vs. non-overminus (spectacles without overminus or no spectacles) is to determine whether to proceed to a full-scale, longer-term randomized trial. Publications: Pediatric Eye Disease Investigator Group. Ophthalmology. Back