[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-studies-list:{\"conditionNormalized\":\"visual-function\",\"overallStatus\":[\"RECRUITING\",\"AVAILABLE\",\"NOT_YET_RECRUITING\"],\"orderBy\":\"LastUpdateSubmitDate:desc\",\"size\":25,\"offset\":0}":3,"health-study-condition:visual-function":28},{"pageToken":4,"total":5,"offset":6,"count":5,"results":7},null,3,0,[8,57,86],{"id":9,"slug":10,"hasResults":11,"nctId":12,"briefTitle":13,"officialTitle":14,"acronym":4,"eligibilityCriteria":15,"healthyVolunteers":11,"sex":16,"minAge":17,"maxAge":4,"enrollmentInfo":18,"targetDuration":21,"studyType":22,"phases":4,"briefSummary":23,"conditions":24,"keywords":30,"overallStatus":44,"whyStopped":4,"lastUpdateSubmitDate":45,"lastUpdatePostDateStruct":46,"startDateStruct":49,"completionDateStruct":51,"leadSponsor":53,"locationsCount":56},"100609329","clinical-evaluation-of-low-contrast-visual-performance-and-low-light-phenomena-in-patients-with-various-intraocular-lens-implants-100609329",false,"NCT07213167","Clinical Evaluation of Low Contrast Visual Performance and Low Light Phenomena in Patients With Various Intraocular Lens Implants","Clinical Evaluation of Low Contrast Defocus Curves, Low Light Photic Phenomena, and Dysphotopsia Profiles in Pseudophakic Patients","Inclusion Criteria:\n\n* Minimum 22 years of age\n* Bilateral pseudophakia, at least 3 months postoperative from IOL implantation, with one of the study IOL models in at least one eye.\n* Availability, willingness, and sufficient cognitive awareness to comply with examination procedures\n* Signed informed consent and HIPAA authorization or equivalent documentation necessary to comply with applicable privacy laws pertaining to medical treatment in the governing countries\n* Ability to understand and respond to a questionnaire in English\n\nExclusion Criteria:\n\n* Any clinically significant pupil abnormalities (non-reactive, fixed pupils, or abnormally shaped pupils.\n* Inability to focus or fixate for prolonged periods of time (e.g., due to strabismus, nystagmus, etc.)\n* Uncorrected distance visual acuity worse than 20\u002F25 in either eye\n* Prior corneal refractive surgery (LASIK, LASEK, RK, PRK, etc.) or intraocular surgery. Note: Prophylactic peripheral iridotomies and peripheral laser retinal repairs that, in the opinion of the investigator will not confound study outcomes are acceptable.\n* Posterior capsular opacification with grading worse than 1+\n* Ocular findings that may, in the opinion of the investigator, affect vision and\u002For contrast sensitivity","ALL","22 Years",{"count":19,"type":20},120,"ESTIMATED","1 Day","OBSERVATIONAL","The goal of this clinical investigation is to evaluate visual acuity and contrast sensitivity in low lighting conditions using several different testing devices, and measure nighttime side effects of intraocular lens (IOL) implants after cataract surgery.\n\nResearchers will compare the results for three different types of IOLs to see how each lens contributes to overall visual function, patient experience and satisfaction.\n\nParticipants will:\n\n* Complete two different questionnaires about their current vision\n* Undergo visual testing using several different devices",[25,26,27,28,29],"Dysphotopsia","Posterior Capsule Opacification","Visual Acuity","Visual Function","Contrast Sensitivity",[25,26,31,32,33,34,35,36,37,38,39,40,41,42,43],"Halometry","Manifold Vision Meter","PRVSQ","AIOLIS","TECNIS Eyhance IOL","TECNIS Symfony Optiblue IOL","TECNIS Odyssey IOL","Low Contrast","Defocus Curves","Low Light Photic Phenomena","Dysphotopsia Profiles","Pseudophakia","TECNIS 1-Piece","RECRUITING","2026-03-31",{"date":47,"type":48},"2026-04-06","ACTUAL",{"date":50,"type":48},"2025-09-24",{"date":52,"type":20},"2026-08",{"name":54,"class":55},"Dr. Daniel H. Chang, MD","OTHER",1,{"id":58,"slug":59,"hasResults":11,"nctId":60,"briefTitle":61,"officialTitle":62,"acronym":4,"eligibilityCriteria":63,"healthyVolunteers":64,"sex":16,"minAge":65,"maxAge":66,"enrollmentInfo":67,"targetDuration":69,"studyType":22,"phases":4,"briefSummary":70,"conditions":71,"keywords":74,"overallStatus":44,"whyStopped":4,"lastUpdateSubmitDate":77,"lastUpdatePostDateStruct":78,"startDateStruct":80,"completionDateStruct":82,"leadSponsor":84,"locationsCount":56},"100599180","visual-function-screening-system-with-special-needs-children-and-typical-preschoolers-100599180","NCT07081139","Visual Function Screening System With Special Needs Children and Typical Preschoolers","Leveraging Deep Learning to Optimize the Individualized Application of Eye-tracking Devices for the Early-stage Visual Function Screening of Both Special Needs Children and Typical Preschoolers","Inclusion Criteria:\n\n* A. General Group 1. Inclusion Criteria\n\nGeneral adults:\n\n1. Aged over 18 and under 70 years\n2. Willing to undergo assessment and video recording using the \"Deep Visual Tracking System\"\n3. Willing to sign the informed consent form\n\nTypically developing preschool children aged 3 to 5:\n\n1. Currently aged between 3 (inclusive) and 5 (inclusive) years\n2. The primary caregiver agrees to allow the child to undergo assessment and video recording using the \"Deep Visual Tracking System\"\n\nChildren under 3 years old:\n\n1. Currently under 3 years of age\n2. The primary caregiver agrees to allow the child to undergo assessment and video recording using the \"Deep Visual Tracking System\"\n\n2\\. Exclusion Criteria\n\nGeneral adults:\n\n1. Presence of severe corneal disease or cataract that may interfere with data collection\n2. Obvious abnormalities in eye or facial appearance, such as ptosis or facial trauma affecting facial structure\n\nTypically developing preschool children aged 3 to 5:\n\n1. Children with physical or mental disabilities\n2. Children diagnosed with or suspected of having developmental delay\n3. Children with obvious abnormalities in eye or facial appearance\n\nChildren under 3 years old:\n\n(1) Children with physical or mental disabilities (2) Children diagnosed with or suspected of having developmental delay (3) Children with obvious abnormalities in eye or facial appearance\n\n\\_\\_\\_\\_\\_\\_\\_\\_\\_\\_\\_\\_\\_\\_\\_\\_\\_\\_\\_\\_\\_\\_\\_\\_\\_\\_\\_\\_\\_\\_\\_\\_\\_\\_\\_\\_\\_\\_\\_\\_ B. Special Needs Group\n\n1. Inclusion Criteria (1) Children under the age of 12 with special needs, including physical, mental, or multiple disabilities (2) The primary caregiver agrees to allow the child to undergo assessment and video recording using the \"Deep Visual Tracking System\"\n2. Exclusion Criteria (1) Children with refractive errors that are diagnosed by an ophthalmologist to significantly impair vision and are unable to wear corrective glasses during assessment (2) Children who are physiologically or emotionally unstable and unable to adapt and complete at least two assessment sessions\n\nB. Special Needs Group\n\n1. Inclusion Criteria (1) Children under the age of 12 with special needs, including physical, mental, or multiple disabilities (2) The primary caregiver agrees to allow the child to undergo assessment and video recording using the \"Deep Visual Tracking System\"\n\n   Exclusion Criteria:\n   * A. General Group\n2. Exclusion Criteria\n\nGeneral adults:\n\n1. Presence of severe corneal disease or cataract that may interfere with data collection\n2. Obvious abnormalities in eye or facial appearance, such as ptosis or facial trauma affecting facial structure\n\nTypically developing preschool children aged 3 to 5:\n\n1. Children with physical or mental disabilities\n2. Children diagnosed with or suspected of having developmental delay\n3. Children with obvious abnormalities in eye or facial appearance\n\nChildren under 3 years old:\n\n1. Children with physical or mental disabilities\n2. Children diagnosed with or suspected of having developmental delay\n3. Children with obvious abnormalities in eye or facial appearance\n\nB. Special Needs Group 2. Exclusion Criteria\n\n1. Children with refractive errors that are diagnosed by an ophthalmologist to significantly impair vision and are unable to wear corrective glasses during assessment\n2. Children who are physiologically or emotionally unstable and unable to adapt and complete at least two assessment sessions",true,"0 Years","70 Years",{"count":68,"type":20},1300,"2 Weeks","The early visual screening of children plays a critical role in promoting visual development, especially for those with visual impairments. Among various approaches, eye-tracking based visual assessment has emerged as a promising tool, particularly for infants, toddlers, and children with developmental disabilities who are unable to complete traditional vision tests. The object of this study is to design and investigate the effectiveness of using a deep learning based, individualized eye-tracking system to assess visual function, specifically visual acuity and visual field, in typical preschool children and infants under the age of three. This study aims to establish a reliable, noninvasive visual screening method that accommodates the diverse needs and abilities of young children.",[28,72,73],"Vision","Special Needs Children",[75,76],"Children","Ophthalmology","2025-11-16",{"date":79,"type":48},"2025-11-18",{"date":81,"type":48},"2025-08-20",{"date":83,"type":20},"2027-12-31",{"name":85,"class":55},"National Taiwan University Hospital",{"id":87,"slug":88,"hasResults":11,"nctId":89,"briefTitle":90,"officialTitle":91,"acronym":4,"eligibilityCriteria":92,"healthyVolunteers":64,"sex":16,"minAge":93,"maxAge":94,"enrollmentInfo":95,"targetDuration":4,"studyType":97,"phases":98,"briefSummary":100,"conditions":101,"keywords":103,"overallStatus":106,"whyStopped":4,"lastUpdateSubmitDate":107,"lastUpdatePostDateStruct":108,"startDateStruct":110,"completionDateStruct":112,"leadSponsor":113,"locationsCount":4},"100561092","brain-visual-perception-training-for-prevention-and-control-of-premyopia-100561092","NCT06585657","Brain Visual Perception Training for Prevention and Control of Premyopia","Clinical Study on Brain Visual Perception Training for Prevention and Control of Myopia in Children with Premyopia","Inclusion Criteria:\n\nChildren aged 6-10 years with premyopia, defined as a cycloplegic spherical equivalent refraction (SER) of the more myopic eye in the range of -0.50 to 0.75 (inclusive) diopters (D) and having at least 1parent with an SER in either eye of -3.00D or less.\n\nExclusion Criteria:\n\nChildren have astigmatism of 1.50D or more, anisometropia of 1.50 D or more, strabismus and other ocular abnormalities, any systemic diseases, or a history of any myopia interventions.","6 Years","10 Years",{"count":96,"type":20},156,"INTERVENTIONAL",[99],"NA","The goal of this clinical trial is to investigate whether brain visual perception training can effectively prevent myopia in children with pre myopia. It will also learn about the safety of brain visual perception training.\n\nThe main questions it aims to answer are: Does brain visual perception training slow down the growth of axial length? What medical issues may participants encounter when using the brain visual perception training system? Researchers will compare participants who receive brain visual perception training with a control group to see if the training group can delay the onset of pre myopia in children Participants will: The training group will receive 20 minutes of brain visual perception training once a day for a period of one year. Follow up check ups at the hospital every 3 months. Keep a diary of the values of axial length and refractive diopter.",[28,102],"Myopia Progressing",[104,105],"brain visual perception training","premyopia","NOT_YET_RECRUITING","2024-09-09",{"date":109,"type":48},"2024-09-19",{"date":111,"type":20},"2024-09-15",{"date":45,"type":20},{"name":114,"class":55},"Shanghai Eye Disease Prevention and Treatment Center"]