[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-studies-list:{\"conditionNormalized\":\"presbyopia-correction\",\"overallStatus\":[\"RECRUITING\",\"AVAILABLE\",\"NOT_YET_RECRUITING\"],\"orderBy\":\"LastUpdateSubmitDate:desc\",\"size\":25,\"offset\":0}":3,"health-study-condition:presbyopia-correction":26},{"pageToken":4,"total":5,"offset":6,"count":5,"results":7},null,5,0,[8,41,67,109,140],{"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":4,"studyType":21,"phases":22,"briefSummary":24,"conditions":25,"keywords":4,"overallStatus":28,"whyStopped":4,"lastUpdateSubmitDate":29,"lastUpdatePostDateStruct":30,"startDateStruct":33,"completionDateStruct":35,"leadSponsor":37,"locationsCount":40},"100609757","presbyopic-wear-experience-with-multifocal-lenses-compared-to-single-vision-lenses-and-reading-glasses-100609757",false,"NCT07218731","Presbyopic Wear Experience With Multifocal Lenses Compared to Single Vision Lenses and Reading Glasses","Presbyopic Wear Experience With Multifocal Lenses Compared to Single Vision Lenses and Reading Glasse","Inclusion Criteria:\n\n1. At least 40 years of age.\n2. Ability to give informed consent.\n3. Subjects must have corrected distance visual acuity in both eyes equivalent to 20\u002F25 or better at the screening visit.\n4. Require an add power of +0.75 D or greater when tested at 40cm.\n5. Good general health defined by medication use that has not changed within the last 30 days and the absence of medical conditions or treatments that are deemed confounding to the data as determined by the Investigator.\n\nExclusion Criteria:\n\n1. Current or active inflammation or infection as determined by the Investigator.\n2. Current eye disease, infection or inflammation that affects the surface of the eye such as but not limited to moderate or greater blepharitis and ocular allergy.\n3. History of refractive surgery.\n4. Known history of allergy or sensitivity to contact lens solutions and\u002For sodium fluorescein.\n5. Is pregnant or lactating or planning a pregnancy during enrollment of the study.\n6. Is using any systemic or topical medications that in the opinion of the investigator may affect a study outcome variable.\n7. Have been diagnosed with dry eye previously\n8. Has a systemic condition that in the opinion of the investigator may affect a study outcome variable.","ALL","40 Years",{"count":19,"type":20},30,"ESTIMATED","INTERVENTIONAL",[23],"NA","The purpose of the study is to assess participant experience when wearing multifocal contact lenses compared to spherical contact lenses with reading glasses.",[26,27],"Presbyopia Correction","Presbyopia","RECRUITING","2026-02-24",{"date":31,"type":32},"2026-02-27","ACTUAL",{"date":34,"type":32},"2025-12-08",{"date":36,"type":20},"2026-06",{"name":38,"class":39},"Ohio State University","OTHER",1,{"id":42,"slug":43,"hasResults":11,"nctId":44,"briefTitle":45,"officialTitle":46,"acronym":4,"eligibilityCriteria":47,"healthyVolunteers":11,"sex":16,"minAge":48,"maxAge":4,"enrollmentInfo":49,"targetDuration":4,"studyType":21,"phases":51,"briefSummary":52,"conditions":53,"keywords":4,"overallStatus":28,"whyStopped":4,"lastUpdateSubmitDate":56,"lastUpdatePostDateStruct":57,"startDateStruct":59,"completionDateStruct":61,"leadSponsor":63,"locationsCount":66},"100610825","a-planned-study-at-multiple-sites-is-being-done-to-compare-the-results-of-two-types-of-trifocal-toric-intraocular-lenses-used-in-cataract-surgery-100610825","NCT07232615","A Planned Study at Multiple Sites is Being Done to Compare the Results of Two Types of Trifocal Toric Intraocular Lenses Used in Cataract Surgery","A Prospective, Multicenter Clinical Study Comparing Outcomes of Two Trifocal Toric Intraocular Lens","Inclusion Criteria:\n\n1. Age of patient \\>21 Years\n2. Patient diagnosed with cataract.\n3. Patient must have preoperative regular corneal astigmatism between 0.75 to 4.5 D as per corneal topography or keratometry\n4. Calculated IOL power is within the range of investigational IOLs.\n5. Patient willing to sign inform consent form.\n6. Clear intraocular media other than cataract.\n7. Female participants of childbearing potential must be willing to ensure that they use effective contraception during the study.\n\nExclusion Criteria:\n\n1. Previous intraocular or corneal surgery.\n2. Traumatic cataract\n3. Pregnancy (as stated by patient) or lactation.\n4. Concurrent participation in another drug or device investigation.\n5. Irregular astigmatism.\n6. Patient receiving chlorquine treatment.\n7. Subjects with any systemic disease that could increase operative risk or confound the outcome.\n8. Active ocular disease in the operative eye other than cataract.\n9. Vulnerable subjects as defined in section 12.3.9.\n10. Corneal Astigmatism \\> 4.5 D","21 Years",{"count":50,"type":20},138,[23],"To evaluate the clinical outcomes and patient satisfaction of two commercially available trifocal toric intraocular lenses Primary Objective: To compare the distance-corrected intermediate visual acuity between the two trifocal toric intraocular lenses. Secondary Objectives: To assess and compare the safety of two trifocal toric intraocular lenses.",[26,54,55],"Astigmatism","Cataract","2025-11-14",{"date":58,"type":32},"2025-11-18",{"date":60,"type":32},"2021-11-22",{"date":62,"type":20},"2027-02",{"name":64,"class":65},"Biotech Healthcare Holding Gmbh","INDUSTRY",6,{"id":68,"slug":69,"hasResults":11,"nctId":70,"briefTitle":71,"officialTitle":72,"acronym":73,"eligibilityCriteria":74,"healthyVolunteers":11,"sex":16,"minAge":75,"maxAge":76,"enrollmentInfo":77,"targetDuration":4,"studyType":21,"phases":79,"briefSummary":80,"conditions":81,"keywords":85,"overallStatus":28,"whyStopped":4,"lastUpdateSubmitDate":100,"lastUpdatePostDateStruct":101,"startDateStruct":103,"completionDateStruct":105,"leadSponsor":107,"locationsCount":40},"100596918","head-to-head-comparison-of-five-enhanced-depth-of-focus-iols-and-one-monofocal-iol-100596918","NCT07051720","Head-to-Head Comparison of Five Enhanced Depth of Focus IOLs and One Monofocal IOL","Visual Performance, Patient Satisfaction, and Quality of Vision Outcomes in Presbyopia-Correcting IOLs: A Prospective Clinical Study","AKA-Reports","Inclusion Criteria:\n\n* Bilateral implantation of the same intraocular lens (IOL) model\n* Expected postoperative best-corrected distance visual acuity (BCDVA) of 0.8 (decimal) or better\n* Regular corneal astigmatism less than 1 diopter\n\nExclusion Criteria:\n\n* Endothelial cell density \\\u003C 2,000 cells\u002Fmm²\n* Required IOL power for emmetropia falls outside the available range of +10.0 D to +30.0 D\n* Pupillary abnormalities\n* Intraocular inflammation\n* Recent ocular trauma or ocular surgery that is unresolved\u002Funstable, or which may impair visual outcomes or increase patient risk\n* History of corneal refractive surgery (e.g., LASIK, LASEK, PRK)\n* Irregular astigmatism, as well as corneal abnormalities or opacities\n* Conditions associated with an increased risk of zonular rupture, including capsular or zonular anomalies that may lead to IOL decentration or tilt, such as pseudoexfoliation syndrome, trauma, Marfan syndrome, among others\n* Systemic or ocular diseases, or medications, that may impair vision, increase surgical risk, or confound study outcomes\n* Clinically significant dry eye disease affecting visual function\n* Anticipated need for retinal laser treatment or any other ocular surgical intervention during the study period\n* Pregnancy, planned pregnancy, breastfeeding, or any condition associated with hormonal fluctuations that may induce refractive changes\n* Continuous contact lens wear within the past 4 weeks\n* Inability to understand and\u002For complete study questionnaires\n* Advanced glaucoma with visual field defects\n* Age-related macular degeneration (exudative or geographic form)","22 Years","85 Years",{"count":78,"type":20},180,[23],"Study Goal\n\nThe goal of this clinical trial is to compare how well four different types of artificial lenses (called intraocular lenses or IOLs) help people see after cataract surgery. The main questions it aims to answer are:\n\nWhich lens gives the best vision at different distances (far, middle, and close)? How satisfied are patients with their vision after surgery? How often do patients still need glasses after surgery?\n\nWho Can Participate Adults aged 22 to 85 years who need cataract surgery in both eyes and meet specific health requirements.\n\nStudy Design\n\nResearchers compared six different lens types:\n\nTECNIS Eyhance - designed to improve middle-distance vision AcrySof IQ Vivity - extends the range of clear vision LuxSmart - uses special optics for better depth of focus Rayner EMV - uses gradual light-bending technology for smooth vision transition Eycryl SERT - modifies light focus to extend clear vision range CT ASPHINA 409M - standard single-focus lens (comparison group)\n\nParticipants chose their preferred lens type after learning about each option's benefits and limitations.\n\nWhat Participants Do? Participants will:\n\nHave cataract surgery on both eyes (1-2 weeks apart) Complete vision tests at multiple distances Take contrast sensitivity tests under different lighting conditions Fill out questionnaires about vision quality and daily activities Attend follow-up visits at 1 day, 1 week, 1 month, and 3 months\n\nThis study helps patients and doctors make informed decisions about which type of artificial lens might work best for individual needs and lifestyle.",[82,83,26,84],"Cataract and IOL Surgery","IOL Implantation","Extended Depth of Focus",[86,87,88,89,90,91,92,93,94,95,96,97,98,99],"Cataract surgery","Extended depth-of-focus","EDOF","Intraocular lens","Presbyopia correction","Spectacle independence","Visual outcomes","Patient satisfaction","TECNIS Eyhance","AcrySof IQ Vivity","LuxSmart","CT Asphina","RayOne EMV","Eyecryl SERT","2025-07-01",{"date":102,"type":32},"2025-07-04",{"date":104,"type":32},"2022-04-12",{"date":106,"type":20},"2026-01",{"name":108,"class":39},"Augenklinik Ahaus G + H GmbH & Co. KG",{"id":110,"slug":111,"hasResults":11,"nctId":112,"briefTitle":113,"officialTitle":114,"acronym":4,"eligibilityCriteria":115,"healthyVolunteers":11,"sex":16,"minAge":17,"maxAge":4,"enrollmentInfo":116,"targetDuration":4,"studyType":21,"phases":118,"briefSummary":119,"conditions":120,"keywords":124,"overallStatus":130,"whyStopped":4,"lastUpdateSubmitDate":131,"lastUpdatePostDateStruct":132,"startDateStruct":134,"completionDateStruct":136,"leadSponsor":138,"locationsCount":4},"100575584","effect-of-presbyopia-correction-on-livelihood-and-repayment-among-solar-customers-in-western-region-kenya-100575584","NCT06774183","Effect of Presbyopia Correction on Livelihood and Repayment Among Solar Customers in Western Region, Kenya","Effect of Presbyopia Correction on Livelihood and Repayment Among Solar Customers in Western Region, Kenya: Evaluating the Impact of Providing Near Vision Correction to Solar Customers","Inclusion Criteria:\n\n* Aged 40 years or older\n* NVI secondary to presbyopia: presenting NVA \\\u003CN6 at 40cm, correctable with NVGs to N6 or better at 40cm.\n* Purchased their product \\>=3 months ago with \\>= 6 months of repayments remaining on their PAYG contract.\n* The product is in the entry level category, priced between KES 7,000 and 30,000 (USD 46 and 196 at prevailing exchange rates during writing).\n* Do not currently own a pair of NVGs.\n* Living in a target counties of Busia, Siaya, Vihiga or Kakamega.\n\nExclusion Criteria:\n\n* Age under 40 years.\n* Distance Visual Acuity of worse than 20\u002F40.\n* Already own NVGs.\n* Presenting NVA N6 or better at 40 centimetres.",{"count":117,"type":20},1085,[23],"With age, people lose the ability to see things that are near them clearly. This is known as presbyopia. Although this is a normal ageing process, it can be corrected with near vision eyeglasses - colloquially known as reading glasses - and people should not have to \"put up with\" poor near vision. By improving the ability to see things that are up-close, near vision eyeglasses allow people to perform tasks with greater ease. This improves their quality of life, and increases their productivity and income. DOT Glasses provides people in East Africa with a range of eyeglasses, including those to improve near vision.\n\nIn addition, products sold to communities through loans repaid at regular intervals (known as asset financing), allow people in underserved communities to harness electricity through solar products and to own electronic devices, such as mobile phones. This also improves their quality of life, and increases their productivity and income. Sun King is one of the leading providers of solar products through loans in Kenya.\n\nThis study will gather evidence and insights from existing Sun King customers with poor near vision in Busia, Siaya, Vihiga and Kakamega. The investigators will explore how much giving people glasses to improve their near vision impacts their ability to make repayments, their incomes and livelihoods, and their overall quality of life. It will also be studied how the glasses affect participants usage of the solar device or mobile phone.",[26,121,122,123],"Visual Impairment and Blindness (Excl Colour Blindness)","Repayment Behaviour","Livelihoods",[27,125,126,127,128,129],"Near visual impairment","Near vision glasses","Income","Kenya","Rural","NOT_YET_RECRUITING","2025-01-13",{"date":133,"type":32},"2025-01-14",{"date":135,"type":20},"2025-02",{"date":137,"type":20},"2025-09",{"name":139,"class":39},"Dot Glasses Kenya",{"id":141,"slug":142,"hasResults":11,"nctId":143,"briefTitle":144,"officialTitle":145,"acronym":4,"eligibilityCriteria":146,"healthyVolunteers":11,"sex":16,"minAge":17,"maxAge":147,"enrollmentInfo":148,"targetDuration":4,"studyType":21,"phases":150,"briefSummary":151,"conditions":152,"keywords":153,"overallStatus":130,"whyStopped":4,"lastUpdateSubmitDate":157,"lastUpdatePostDateStruct":158,"startDateStruct":160,"completionDateStruct":162,"leadSponsor":164,"locationsCount":4},"100569864","quality-of-life-in-presbyopes-using-single-vision-lens-and-progressive-lens-correction-100569864","NCT06699784","Quality of Life in Presbyopes Using Single-vision Lens and Progressive Lens Correction","Quality of Life in Presbyopes Using Single-vision Lens and Progressive Lens Correction: a Randomized Controlled Trial","Inclusion Criteria:\n\n1. Age 40-70 years;\n2. A distant correction of ≤2D for hyperopia, or \\>-2 D for myopia, or \\\u003C 2D for astigmatism in both eyes;\n3. Anisometropia of less than 1.50 D;\n4. Distance best-corrected visual acuity (BCVA) of at least 0.5 LogMAR, and near VA \\\u003C N8 (20\u002F50) at 40 cm with habitually worn distance refractive correction, with improvement of near vision by at least one line on a near LogMAR E chart with the use of a plus lens;\n5. Have not undergone any near correction in the past six months;\n6. Able to answer a questionnaire;\n7. Giving written consent to participate in the study.\n\nExclusion Criteria:\n\n1. Ocular abnormalities leading to visual impairment including severe cataract, glaucoma, strabismus, and ocular fundus diseases;\n2. Severe physiological and psychological diseases affecting follow-up;\n3. History of cataract surgery, phakic intraocular lens surgery, corneal surgery, or any intraocular surgery affecting the refractive status of the eye;\n4. Have used pilocarpine in the past six months.","70 Years",{"count":149,"type":20},74,[23],"The goal of this clinical trial is to compare the quality of life (QOL) of presbyopes wearing progressive addition lenses (PALs) with that of those wearing single-vision spectacles (SVSs) for near correction. The main questions it aims to answer is:\n\nWhat is the difference in QOL between presbyopes who use SVSs and those who use PALs ? Eligible participants will be randomly assigned in a 1:1 ratio to either the PALs group or the SVSs group.Participants in the progressive lenses intervention group will receive 1-month progressive lens correction in daily life. And participants in single-vision lenses intervention group will use near-vision spectacles during near work and use their original habitual distant glasses for distance tasks for 1 month.\n\nThe study will compare the QOL scores measured by a 12-item Near Vision-Related Quality of Life questionnaire between the two groups. Additionally, the study will compare the scores measured by the Refractive Status and Vision Profile questionnaire and Visual Analogue Scale questionnaire between the two groups as well as assess the change in the above three questionnaires scores at 1 month following enrollment. And visual acuity of subjects will also be assessed at baseline and at the 1-month follow-up.",[27,26],[154,155,156],"quality of life","presbyopia","near correction","2024-11-19",{"date":159,"type":32},"2024-11-21",{"date":161,"type":20},"2024-12",{"date":163,"type":20},"2025-12",{"name":165,"class":39},"The Hong Kong Polytechnic University"]