Protocol: IXT2 - A Randomized Clinical Trial of Observation versus Occlusion Therapy for Intermittent Exotropia Status: Closed Start Date: 01/13/2010 End Date: 09/30/2012 Clinical Trial ID: NCT01032330 Public Dataset: Download A Randomized Clinical Trial of Observation versus Occlusion Therapy for Intermittent Exotropia Protocol Objectives: To determine the effectiveness of occlusion for the treatment of IXT among patients aged 3 to <11 years who have baseline near stereoacuity of 400 arcsec or better by Preschool Randot stereotest To determine the natural history of IXT among patients aged 3 to <11 years who have baseline near stereoacuity of 400 arcsec or better by Preschool Randot stereotest Publications: Pediatric Eye Disease Investigator Group. A randomized trial comparing part-time patching with observation for children 3-10 years old with intermittent exotropia. Ophthalmology. Dec 2014;121(12):2299-2310. Pediatric Eye Disease Investigator Group. A randomized trial comparing part-time patching with observation for intermittent exotropia in children 12 to 35 months of age. Ophthalmology. Aug 2015;122:1718-25. Leske DA, Holmes JM, Melia BM, on behalf of Pediatric Eye Disease Investigator Group. Evaluation of the Intermittent Exotropia Questionnaire using Rasch analysis. JAMA Ophthalmol. Apr 2015;133(4):461-5. Back