[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100641841":3},{"organization":4,"armGroups":7,"interventions":10,"overallOfficials":12,"centralContacts":22,"locations":31,"responsibleParty":55,"collaborators":10,"id":58,"slug":59,"hasResults":60,"nctId":61,"briefTitle":62,"officialTitle":62,"acronym":10,"eligibilityCriteria":63,"healthyVolunteers":64,"sex":65,"minAge":66,"maxAge":67,"enrollmentInfo":68,"targetDuration":10,"studyType":71,"phases":10,"briefSummary":72,"conditions":73,"keywords":78,"overallStatus":80,"whyStopped":10,"lastUpdateSubmitDate":81,"lastUpdatePostDateStruct":82,"startDateStruct":85,"completionDateStruct":87,"leadSponsor":89,"locationsCount":90},{"fullName":5,"class":6},"Sohag University","OTHER",[8],{"label":9,"type":10,"description":11,"interventionNames":10},"All Participants",null,"All participants diagnosed with refractive errors (myopia, hyperopia, astigmatism) and emmetropia will be included in the study. All subjects will undergo anterior segment optical coherence tomography (AS-OCT) for corneal epithelial thickness mapping. Participants will then be analyzed according to their refractive status.",[13,17,20],{"name":14,"affiliation":15,"role":16},"Engy Mohamed Mostafa, Professor","Department of Ophthalmology, Faculty of Medicine, Sohag University","PRINCIPAL_INVESTIGATOR",{"name":18,"affiliation":15,"role":19},"Amin Abu-Ali Hassan, Assistant Professor","STUDY_DIRECTOR",{"name":21,"affiliation":15,"role":19},"Yasmeen Gamal Abd-El latif, Lecturer",[23,28],{"name":24,"role":25,"phone":26,"phoneExt":10,"email":27},"Merna romany loza, MBBCh, Ophthalmology Resident","CONTACT","01275800331","mernaromany54@yahoo.com",{"name":14,"role":25,"phone":29,"phoneExt":10,"email":30},"01005643587","Engymostafa@yahoo.com",[32],{"facility":33,"status":10,"city":34,"state":35,"zip":36,"country":37,"countryCode":38,"cosmosGeoPoint":39,"geoPoint":44,"contacts":45},"Sohag University Hospital","Sohag","Sohag Governorate","82524","Egypt","EG",{"type":40,"coordinates":41},"Point",[42,43],31.69478,26.55695,{"lat":43,"lon":42},[46,47,49,50,52,53],{"name":14,"role":25,"phone":29,"phoneExt":10,"email":30},{"name":18,"role":25,"phone":48,"phoneExt":10,"email":10},"01015437008",{"name":14,"role":16,"phone":10,"phoneExt":10,"email":10},{"name":18,"role":51,"phone":10,"phoneExt":10,"email":10},"SUB_INVESTIGATOR",{"name":21,"role":51,"phone":10,"phoneExt":10,"email":10},{"name":54,"role":51,"phone":10,"phoneExt":10,"email":10},"Merna Romany Loza, MBBCh, Ophthalmology Resident",{"type":16,"investigatorFullName":56,"investigatorTitle":57,"investigatorAffiliation":5,"oldNameTitle":10,"oldOrganization":10},"Merna Romany Kamel","Sub-investigator(resident)","100641841","corneal-epithelial-thickness-mapping-by-anterior-segment-optical-coherence-tomography-in-patients-with-refractive-errors-100641841",false,"NCT07647146","Corneal Epithelial Thickness Mapping by Anterior Segment Optical Coherence Tomography in Patients With Refractive Errors","Inclusion Criteria:\n\n* Age ≥ 18 years-\n* Patients diagnosed with myopia or hyperopia by refraction\n* Clear cornea with no evidence of corneal pathology\n* Ability to undergo reliable anterior segment imaging\n\nExclusion Criteria:\n\n* Inability to fixate or follow instructions\n* Family history of keratoconus\n* Glaucoma,Cataract\n* Previous ocular surgery including refractive surgery\n* Keratoconus or suspected corneal ectasia\n* Corneal opacities or scars\n* Contact lens wear within the last two weeks\n* Ocular trauma\n* systemic disease affecting the cornea ( Such as diabetes)",true,"ALL","18 Years","99 Years",{"count":69,"type":70},360,"ESTIMATED","OBSERVATIONAL","This study evaluates corneal epithelial thickness using anterior segment optical coherence tomography (AS-OCT) in patients with refractive errors. It aims to assess the relationship between epithelial thickness patterns and different types of refractive errors.",[74,75,76,77],"Myopia","Hyperopia","Astigmatism","Emmetropia",[79],"Corneal epithelial thickness, AS-OCT, anterior segment optical coherence tomography, refractive errors, myopia, hyperopia, astigmatism, cornea","NOT_YET_RECRUITING","2026-06-09",{"date":83,"type":84},"2026-06-15","ACTUAL",{"date":86,"type":70},"2026-07-01",{"date":88,"type":70},"2027-05-01",{"name":5,"class":6},1]