[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100322226":3},{"organization":4,"armGroups":7,"interventions":19,"overallOfficials":26,"centralContacts":30,"locations":40,"responsibleParty":58,"collaborators":25,"id":62,"slug":63,"hasResults":64,"nctId":65,"briefTitle":66,"officialTitle":67,"acronym":25,"eligibilityCriteria":68,"healthyVolunteers":69,"sex":70,"minAge":71,"maxAge":72,"enrollmentInfo":73,"targetDuration":25,"studyType":76,"phases":77,"briefSummary":79,"conditions":80,"keywords":25,"overallStatus":42,"whyStopped":25,"lastUpdateSubmitDate":82,"lastUpdatePostDateStruct":83,"startDateStruct":86,"completionDateStruct":88,"leadSponsor":90,"locationsCount":91},{"fullName":5,"class":6},"University of Iowa","OTHER",[8,14],{"label":9,"type":10,"description":11,"interventionNames":12},"eyeFusion Control Subjects","ACTIVE_COMPARATOR","Healthy normal controls with no known eye disorders age 18-80.",[13],"Device: eyeFusion",{"label":15,"type":16,"description":17,"interventionNames":18},"eyeFusion Patients","EXPERIMENTAL","Scotoma subjects aged 18-80.",[13],[20],{"type":21,"name":22,"description":23,"armGroupLabels":24,"otherNames":25},"DEVICE","eyeFusion","Smartphone app based flicker fusion test.",[9,15],null,[27],{"name":28,"affiliation":5,"role":29},"Randy Kardon, MD, PhD","PRINCIPAL_INVESTIGATOR",[31,36],{"name":32,"role":33,"phone":34,"phoneExt":25,"email":35},"Julie K Nellis, BSN","CONTACT","319-356-2780","julie-nellis@uiowa.edu",{"name":37,"role":33,"phone":38,"phoneExt":25,"email":39},"Jan Full, BSN","319-356-8299","jan-full@uiowa.edu",[41],{"facility":5,"status":42,"city":43,"state":44,"zip":45,"country":46,"countryCode":47,"cosmosGeoPoint":48,"geoPoint":53,"contacts":54},"RECRUITING","Iowa City","Iowa","52240","United States","US",{"type":49,"coordinates":50},"Point",[51,52],-91.53017,41.66113,{"lat":52,"lon":51},[55],{"name":28,"role":33,"phone":56,"phoneExt":25,"email":57},"319-356-2260","randy-kardon@uiowa.edu",{"type":59,"investigatorFullName":60,"investigatorTitle":61,"investigatorAffiliation":5,"oldNameTitle":25,"oldOrganization":25},"SPONSOR_INVESTIGATOR","Randy Kardon","MD, PhD","100322226","smartphone-flicker-fusion-test-for-patients-with-optic-disorders-100322226",false,"NCT03475147","Smartphone Flicker Fusion Test for Patients With Optic Disorders.","Validation of a Smartphone-Based Flicker Fusion Test","Inclusion Criteria:\n\nControl\n\n* Age matched 18-80 years of age.\n* Healthy normal controls with no known eye disorders.\n\nExclusion Criteria:\n\n* Scotoma or any other ocular disorder\n\nInclusion Criteria - Patients\n\n* Age 18-80\n* Clinically associated scotoma\n\nExclusion Criteria - Patients\n\n-Any other ocular disorder",true,"ALL","18 Years","80 Years",{"count":74,"type":75},500,"ESTIMATED","INTERVENTIONAL",[78],"NA","The purpose of this project is to validate a quick, easy-to-use and administer smartphone flicker fusion test. The app (called eyeFusion) can potentially be used to easily and quickly collect critical flicker fusion measurements on patients admitted with optic disorders as part of the clinical care process.",[81],"Scotoma","2025-11-18",{"date":84,"type":85},"2025-11-24","ACTUAL",{"date":87,"type":85},"2017-01-27",{"date":89,"type":75},"2028-01-01",{"name":60,"class":6},1]