[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100322228":3},{"organization":4,"armGroups":7,"interventions":14,"overallOfficials":20,"centralContacts":25,"locations":34,"responsibleParty":54,"collaborators":11,"id":58,"slug":59,"hasResults":60,"nctId":61,"briefTitle":62,"officialTitle":63,"acronym":11,"eligibilityCriteria":64,"healthyVolunteers":65,"sex":66,"minAge":67,"maxAge":68,"enrollmentInfo":69,"targetDuration":11,"studyType":72,"phases":73,"briefSummary":75,"conditions":76,"keywords":82,"overallStatus":36,"whyStopped":11,"lastUpdateSubmitDate":85,"lastUpdatePostDateStruct":86,"startDateStruct":89,"completionDateStruct":91,"leadSponsor":93,"locationsCount":94},{"fullName":5,"class":6},"University of Iowa","OTHER",[8],{"label":9,"type":10,"description":11,"interventionNames":12},"Laser Speckle Blood Flow Group","EXPERIMENTAL",null,[13],"Device: LSFG-NAVI",[15],{"type":16,"name":17,"description":18,"armGroupLabels":19,"otherNames":11},"DEVICE","LSFG-NAVI","laser-speckle blood flow of ocular arteries and veins",[9],[21],{"name":22,"affiliation":23,"role":24},"Randy H Kardon, MD, PhD","University of Iowa Department of Ophthalmology","PRINCIPAL_INVESTIGATOR",[26,31],{"name":27,"role":28,"phone":29,"phoneExt":11,"email":30},"Julie K Nellis, BSN","CONTACT","319-356-8299","julie-nellis@uiowa.edu",{"name":32,"role":28,"phone":29,"phoneExt":11,"email":33},"Jan M Full, BSN","jan-full@uiowa.edu",[35],{"facility":23,"status":36,"city":37,"state":38,"zip":39,"country":40,"countryCode":41,"cosmosGeoPoint":42,"geoPoint":47,"contacts":48},"RECRUITING","Iowa City","Iowa","52242","United States","US",{"type":43,"coordinates":44},"Point",[45,46],-91.53017,41.66113,{"lat":46,"lon":45},[49],{"name":50,"role":28,"phone":51,"phoneExt":52,"email":53},"Denise L Rettig, MHA. MBA","319-356-2866","5849","denise-rettig@uiowa.edu",{"type":55,"investigatorFullName":56,"investigatorTitle":57,"investigatorAffiliation":5,"oldNameTitle":11,"oldOrganization":11},"SPONSOR_INVESTIGATOR","Randy Kardon","Dr. Randy Kardon M.D. Ph.D Professor and Director of Neuro-ophthalmology","100322228","new-non-invasive-modalities-for-assessing-retinal-structure-and-function-100322228",false,"NCT03475173","New Non-invasive Modalities for Assessing Retinal Structure and Function","New Non-invasive Modalities for Assessing Retinal Structure and Function:Preliminary Investigation","Controls:\n\nInclusion:\n\nNormal eye exam in last 2 years\n\nExclusion:\n\nCataract or media opacity that would degrade the imaging of the retina. Mild cataracts are okay. Any abnormalities of the retina or optic nerve that could affect metabolism of the retina outside of normal.\n\nSubjects with Inner Retina Defect:\n\nInclusion:\n\nDefined structural defect to include those with Ischemic optic neuropathy, branch retinal artery occlusion (BRAO), hemianopia or visual field defect that respects the vertical meridian, inherited mitochondrial optic neuropathies such as Leber's and Dominant Optic Neuropathy, other retinopathies or optic neuropathies.\n\nExclusion:\n\nCataract or media opacity that would degrade the imaging of the retina. Mild cataracts are okay.\n\nSubjects with Outer Retinal Defect:\n\nInclusion:\n\nAZOOR (acute zonal occult outer retinopathy) or other focal or diffuse outer photoreceptor loss of function\n\nExclusion:\n\nCataract or media opacity that would degrade the imaging of the retina. Mild cataracts are okay.\n\nThe 450 total is to allow for exclusion of some subjects or in the event that the enrolled subject blinks too much or cannot fixate on a visual target adequately to maintain the same eye position during the short imaging interval. We hope to have a total of 450 (50 controls and 400 patients)",true,"ALL","18 Years","99 Years",{"count":70,"type":71},500,"ESTIMATED","INTERVENTIONAL",[74],"NA","This study investigates a new technology to assess the structure and function inside the eye. Retinal imaging of subjects with inner and outer retinal defects to detect areas of abnormal structure and function compared to other visual function tests.",[77,78,79,80,81],"Ischemic Optic Neuropathy","Branch Retinal Artery Occlusion","Hemianopia","Leber Hereditary Optic Neuropathy","Acute Zonal Occult Outer Retinopathy",[83,84],"Optic Neuropathy",", Retinopathy","2025-11-18",{"date":87,"type":88},"2025-11-24","ACTUAL",{"date":90,"type":88},"2019-05-06",{"date":92,"type":71},"2028-03-01",{"name":56,"class":6},1]