[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100641841":3},{"organization":4,"armGroups":7,"interventions":10,"overallOfficials":12,"centralContacts":22,"locations":31,"responsibleParty":54,"collaborators":10,"id":57,"slug":10,"hasResults":58,"nctId":59,"briefTitle":60,"officialTitle":60,"acronym":10,"eligibilityCriteria":61,"healthyVolunteers":62,"sex":63,"minAge":64,"maxAge":65,"enrollmentInfo":66,"targetDuration":10,"studyType":69,"phases":10,"briefSummary":70,"conditions":71,"keywords":76,"overallStatus":78,"whyStopped":10,"lastUpdateSubmitDate":79,"lastUpdatePostDateStruct":80,"startDateStruct":83,"completionDateStruct":85,"leadSponsor":87,"locationsCount":88},{"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,"cosmosGeoPoint":38,"geoPoint":43,"contacts":44},"Sohag University Hospital","Sohag","Sohag Governorate","82524","Egypt",{"type":39,"coordinates":40},"Point",[41,42],31.69478,26.55695,{"lat":42,"lon":41},[45,46,48,49,51,52],{"name":14,"role":25,"phone":29,"phoneExt":10,"email":30},{"name":18,"role":25,"phone":47,"phoneExt":10,"email":10},"01015437008",{"name":14,"role":16,"phone":10,"phoneExt":10,"email":10},{"name":18,"role":50,"phone":10,"phoneExt":10,"email":10},"SUB_INVESTIGATOR",{"name":21,"role":50,"phone":10,"phoneExt":10,"email":10},{"name":53,"role":50,"phone":10,"phoneExt":10,"email":10},"Merna Romany Loza, MBBCh, Ophthalmology Resident",{"type":16,"investigatorFullName":55,"investigatorTitle":56,"investigatorAffiliation":5,"oldNameTitle":10,"oldOrganization":10},"Merna Romany Kamel","Sub-investigator(resident)","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":67,"type":68},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.",[72,73,74,75],"Myopia","Hyperopia","Astigmatism","Emmetropia",[77],"Corneal epithelial thickness, AS-OCT, anterior segment optical coherence tomography, refractive errors, myopia, hyperopia, astigmatism, cornea","NOT_YET_RECRUITING","2026-06-09",{"date":81,"type":82},"2026-06-15","ACTUAL",{"date":84,"type":68},"2026-07-01",{"date":86,"type":68},"2027-05-01",{"name":5,"class":6},1]