[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100603930":3},{"organization":4,"armGroups":7,"interventions":20,"overallOfficials":25,"centralContacts":30,"locations":36,"responsibleParty":52,"collaborators":25,"id":56,"slug":25,"hasResults":57,"nctId":58,"briefTitle":59,"officialTitle":60,"acronym":25,"eligibilityCriteria":61,"healthyVolunteers":57,"sex":62,"minAge":63,"maxAge":64,"enrollmentInfo":65,"targetDuration":25,"studyType":68,"phases":69,"briefSummary":71,"conditions":72,"keywords":74,"overallStatus":78,"whyStopped":25,"lastUpdateSubmitDate":79,"lastUpdatePostDateStruct":80,"startDateStruct":83,"completionDateStruct":84,"leadSponsor":86,"locationsCount":87},{"fullName":5,"class":6},"Zhongshan Ophthalmic Center, Sun Yat-sen University","OTHER",[8,14],{"label":9,"type":10,"description":11,"interventionNames":12},"Intervention Group","EXPERIMENTAL","Subjects will be instructed to wear light-blocking lenses full-time for 12 months. Scheduled follow-up examinations will be conducted at 6 months (±15 days) and 12 months (±15 days) after lens fitting. Replacement of the lenses will be arranged if a refractive change greater than 0.50 diopters is observed, or in cases of severe lens damage.",[13],"Other: light-blocking lenses",{"label":15,"type":16,"description":17,"interventionNames":18},"Control Group","PLACEBO_COMPARATOR","Subjects will be instructed to wear single-vision lenses full-time for 12 months. Scheduled follow-up examinations will be conducted at 6 months (±15 days) and 12 months (±15 days) after lens fitting. Replacement of the lenses will be arranged if a refractive change greater than 0.50 diopters is observed, or in cases of severe lens damage.",[19],"Other: single-vision lenses",[21,26],{"type":6,"name":22,"description":23,"armGroupLabels":24,"otherNames":25},"light-blocking lenses","Subjects will be instructed to wear light-blocking lenses full-time for 12 months.",[9],null,{"type":6,"name":27,"description":28,"armGroupLabels":29,"otherNames":25},"single-vision lenses","Subjects will be instructed to wear single-vision lenses full-time for 12 months.",[15],[31],{"name":32,"role":33,"phone":34,"phoneExt":25,"email":35},"Jinrong Li, MD PhD","CONTACT","86-020-87330351","lijingr3@mail.sysu.edu.cn",[37],{"facility":38,"status":25,"city":39,"state":40,"zip":41,"country":42,"countryCode":43,"cosmosGeoPoint":44,"geoPoint":49,"contacts":50},"Zhongshan Ophthalmic Center","Guangzhou","Guangdong","510060","China","CN",{"type":45,"coordinates":46},"Point",[47,48],113.25,23.11667,{"lat":48,"lon":47},[51],{"name":32,"role":33,"phone":34,"phoneExt":25,"email":35},{"type":53,"investigatorFullName":54,"investigatorTitle":55,"investigatorAffiliation":5,"oldNameTitle":25,"oldOrganization":25},"PRINCIPAL_INVESTIGATOR","Jingrong Li","Professor","100603930",false,"NCT07142915","Effect of Light-Blocking Lenses on Pediatric Hyperopia","A Prospective Randomized Controlled Trial on the Effect of Light-Blocking Lenses on Emmetropization in Hyperopic Children","Inclusion Criteria:\n\n* Aged 6 years or older and 12 years or younger;\n* Spherical refractive error in both eyes between +3.0 D and +7.5 D, cylindrical refractive error between -2.0 D and 0 D; interocular difference in spherical power less than 1.5 D and in cylindrical power no greater than 1.0 D;\n* Best-corrected visual acuity of 0.0 logMAR or better in both eyes;\n* Ocular deviation with spectacles less than 10 prism diopters;\n* Has been wearing standard single-vision spectacles regularly for more than six months;\n* In good general health, capable of receiving the study intervention, and willing to comply with the study protocol;\n* Written informed consent obtained from both the parent\u002Fguardian and the child, with agreement to comply with all study procedures and maintain follow-up availability throughout the study period;\n\nExclusion Criteria:\n\n* History of ocular trauma or eye surgery;\n* Presence of pathological abnormalities on anterior or posterior segment examination, or a history of organic ocular diseases such as cataract, glaucoma, corneal disease, or fundus disorders;\n* Intraocular pressure greater than 21 mmHg;\n* Presence of systemic diseases or other conditions deemed unsuitable for study participation;\n* Any other condition deemed inappropriate for participation in the clinical trial by the investigator;","ALL","6 Years","12 Years",{"count":66,"type":67},156,"ESTIMATED","INTERVENTIONAL",[70],"NA","This study aims to assess the efficacy of light-blocking lenses in facilitating emmetropization in children with hyperopia and to explore their influence on various aspects of visual function.",[73],"Hyperopia",[75,22,76,77],"hyperopia","emmetropization","visual function","NOT_YET_RECRUITING","2025-08-25",{"date":81,"type":82},"2025-08-27","ACTUAL",{"date":79,"type":67},{"date":85,"type":67},"2027-06-30",{"name":5,"class":6},1]