[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100568590":3},{"organization":4,"armGroups":7,"interventions":24,"overallOfficials":30,"centralContacts":37,"locations":46,"responsibleParty":78,"collaborators":80,"id":85,"slug":86,"hasResults":87,"nctId":88,"briefTitle":89,"officialTitle":90,"acronym":30,"eligibilityCriteria":91,"healthyVolunteers":92,"sex":93,"minAge":94,"maxAge":95,"enrollmentInfo":96,"targetDuration":30,"studyType":99,"phases":100,"briefSummary":102,"conditions":103,"keywords":105,"overallStatus":107,"whyStopped":30,"lastUpdateSubmitDate":108,"lastUpdatePostDateStruct":109,"startDateStruct":112,"completionDateStruct":114,"leadSponsor":116,"locationsCount":117},{"fullName":5,"class":6},"University of Alberta","OTHER",[8,15,20],{"label":9,"type":10,"description":11,"interventionNames":12},"Group A","ACTIVE_COMPARATOR","One eye examined with the Schocket scleral depressor, the other eye with the Josephberg-Besser scleral depressor",[13,14],"Diagnostic Test: Schocket scleral depressor","Diagnostic Test: Josephberg-Besser",{"label":16,"type":10,"description":17,"interventionNames":18},"Group B","One eye examined with the Schocket scleral depressor, the other eye with the cotton tip applicator",[13,19],"Diagnostic Test: Cotton tip applicator",{"label":21,"type":10,"description":22,"interventionNames":23},"Group C","One eye examined with the cotton tip applicator, the other eye with the Josephberg-Besser scleral depressor",[14,19],[25,31,34],{"type":26,"name":27,"description":28,"armGroupLabels":29,"otherNames":30},"DIAGNOSTIC_TEST","Schocket scleral depressor","Use of this instrument to examine one eye",[9,16],null,{"type":26,"name":32,"description":28,"armGroupLabels":33,"otherNames":30},"Josephberg-Besser",[9,21],{"type":26,"name":35,"description":28,"armGroupLabels":36,"otherNames":30},"Cotton tip applicator",[16,21],[38,43],{"name":39,"role":40,"phone":41,"phoneExt":30,"email":42},"Mathieu Carrière, MD, FRCSC","CONTACT","(780) 448-1801","mcarrie2@ualberta.ca",{"name":44,"role":40,"phone":41,"phoneExt":30,"email":45},"Parampal Grewal","parampal@ualberta.ca",[47,63],{"facility":48,"status":30,"city":49,"state":50,"zip":51,"country":52,"countryCode":53,"cosmosGeoPoint":54,"geoPoint":59,"contacts":60},"Alberta Retina Consultant","Edmonton","Alberta","T5H 0X5","Canada","CA",{"type":55,"coordinates":56},"Point",[57,58],-113.46871,53.55014,{"lat":58,"lon":57},[61],{"name":62,"role":40,"phone":41,"phoneExt":30,"email":42},"Mathieu Carriere, MD, FRCSC",{"facility":64,"status":30,"city":65,"state":66,"zip":67,"country":52,"countryCode":53,"cosmosGeoPoint":68,"geoPoint":72,"contacts":73},"Sunnybrook Hospital","Toronto","Ontario","M4N 3M5",{"type":55,"coordinates":69},[70,71],-79.39864,43.70643,{"lat":71,"lon":70},[74],{"name":75,"role":40,"phone":76,"phoneExt":30,"email":77},"Kenneth T. Eng, MD, FRCSC","(416) 480-4762","Kenneth.Eng@sunnybrook.ca",{"type":79,"investigatorFullName":30,"investigatorTitle":30,"investigatorAffiliation":30,"oldNameTitle":30,"oldOrganization":30},"SPONSOR",[81,83],{"name":82,"class":6},"University of Toronto",{"name":48,"class":84},"UNKNOWN","100568590","optimizing-patients-comfort-during-scleral-indentation-100568590",false,"NCT06683209","Optimizing Patient's Comfort During Scleral Indentation","Comparison of Scleral Indentation Instruments and Impact on Patient Comfort","Inclusion Criteria:\n\n* Symptomatic posterior vitreous detachment with or without vitreoretinal pathology\n\nExclusion Criteria:\n\n* Monocular status.\n* Media opacity which precludes view of the peripheral retina.\n* Inadequate examination (cooperation with examination, inability to achieve all directions of gaze).\n* Underlying oculodynia (recent surgery, intraocular inflammation, abnormal intraocular pressure, ocular dysesthesia syndromes (ocular, adnexal or orbital).\n* History of pain-sensitizing conditions or current analgesic use.\n* Previous scleral indented examination poorly tolerated.",true,"ALL","18 Years","100 Years",{"count":97,"type":98},75,"ESTIMATED","INTERVENTIONAL",[101],"NA","The scleral depression exam is an important routine technique for evaluating the retinal periphery for various reasons. During this examination, an instrument is used to bring the anterior part of the retina into the physician's field of view. The downside of this technique is the discomfort it may cause the patient. Different instruments can be used to depress the sclera.\n\nThe objective of this research is to compare three commonly used scleral depressors based on their performance for the ophthalmologist and the discomfort they subjectively induce in patients.\n\nPatients will be randomly allocated to one of three examination groups:\n\nGroup A: One eye examined with the Schocket scleral depressor, the other eye with the Josephberg-Besser scleral depressor.\n\nGroup B: One eye examined with the Schocket scleral depressor, the other eye with the cotton-tip applicator.\n\nGroup C: One eye examined with the cotton-tip applicator, the other eye with the Josephberg-Besser scleral depressor.",[104],"Pain",[106,32,35],"Schocket","NOT_YET_RECRUITING","2026-08-13",{"date":110,"type":111},"2026-08-17","ACTUAL",{"date":113,"type":98},"2027-07-01",{"date":115,"type":98},"2028-07-30",{"name":5,"class":6},2]