[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100653175":3},{"organization":4,"outcomesModule":7,"designInfo":14,"detailedDescription":17,"studyPopulation":18,"armGroups":19,"interventions":42,"overallOfficials":52,"centralContacts":57,"locations":63,"responsibleParty":78,"collaborators":13,"id":80,"slug":81,"hasResults":82,"nctId":83,"briefTitle":84,"officialTitle":84,"acronym":13,"eligibilityCriteria":85,"healthyVolunteers":82,"sex":86,"minAge":87,"maxAge":13,"enrollmentInfo":88,"targetDuration":13,"studyType":91,"phases":13,"briefSummary":92,"conditions":93,"keywords":97,"overallStatus":66,"whyStopped":13,"lastUpdateSubmitDate":99,"lastUpdatePostDateStruct":100,"startDateStruct":103,"completionDateStruct":105,"leadSponsor":107,"locationsCount":108},{"fullName":5,"class":6},"Alcon Research","INDUSTRY",{"primaryOutcomes":8,"secondaryOutcomes":13,"otherOutcomes":13},[9],{"measure":10,"description":11,"timeFrame":12},"Regression-Based Axial Length (R-AL)","Regression-based Axial Length (R-AL) is the distance from the anterior surface of the cornea to the retina at the back of the eye, measured along the visual axis. R-AL will be measured by the device and reported in microns.","Day 1",null,{"allocation":13,"interventionModel":13,"interventionModelDescription":13,"primaryPurpose":13,"observationalModel":15,"timePerspective":16,"maskingInfo":13},"COHORT","PROSPECTIVE","The study population will consist of male and female adult subjects with a normal cornea (up to 10 subjects), keratoconus (up to 10 subjects), prior corneal laser vision correction (up to 10 subjects), current and habitual contact lens wear (up to 10 subjects), or dry eye (up to 10 subjects). In this single visit study, subjects will have data collected on one eye (unilateral) only. If both eyes meet the entry criteria, the right eye will be designated as the study eye.","Cohorts will be selected from approximately one investigative site located in the United States.",[20,26,30,34,38],{"label":21,"type":13,"description":22,"interventionNames":23},"Normal Corneas","This cohort will enroll subjects with normal corneas.",[24,25],"Device: UNITY DX","Device: ANTERION",{"label":27,"type":13,"description":28,"interventionNames":29},"Keratoconus","This cohort will enroll subjects with keratoconus.",[24,25],{"label":31,"type":13,"description":32,"interventionNames":33},"Prior Corneal Laser Vision Correction","This cohort will enroll subjects with prior corneal laser vision correction.",[24,25],{"label":35,"type":13,"description":36,"interventionNames":37},"Current and Habitual Contact Lens Wear","This cohort will enroll subjects with current and habitual contact lens wear.",[24,25],{"label":39,"type":13,"description":40,"interventionNames":41},"Dry Eye","This cohort will enroll subjects with dry eye.",[24,25],[43,48],{"type":44,"name":45,"description":46,"armGroupLabels":47,"otherNames":13},"DEVICE","UNITY DX","Investigational non-contact, non-invasive ophthalmic imaging and analysis device used for visualization of ocular structures and their optical properties",[35,39,27,21,31],{"type":44,"name":49,"description":50,"armGroupLabels":51,"otherNames":13},"ANTERION","Commercially available non-contact, non-invasive ophthalmic imaging and analysis device used for visualization of ocular structures and their optical properties",[35,39,27,21,31],[53],{"name":54,"affiliation":55,"role":56},"Clinical Trial Lead, Surgical","Alcon Research, LLC","STUDY_DIRECTOR",[58],{"name":59,"role":60,"phone":61,"phoneExt":13,"email":62},"Alcon Call Center","CONTACT","1-888-451-3937","alcon.medinfo@alcon.com",[64],{"facility":65,"status":66,"city":67,"state":68,"zip":69,"country":70,"countryCode":71,"cosmosGeoPoint":72,"geoPoint":77,"contacts":13},"The Eye Institute of Utah","RECRUITING","Salt Lake City","Utah","84107","United States","US",{"type":73,"coordinates":74},"Point",[75,76],-111.89105,40.76078,{"lat":76,"lon":75},{"type":79,"investigatorFullName":13,"investigatorTitle":13,"investigatorAffiliation":13,"oldNameTitle":13,"oldOrganization":13},"SPONSOR","100653175","agreement-of-two-oct-biometers-a-pilot-study-100653175",false,"NCT07782619","Agreement of Two OCT Biometers: A Pilot Study","Inclusion Criteria:\n\n* Have healthy, clear corneas for the normal cohort;\n* Have documented keratoconus for the keratoconus cohort;\n* Have reported use of daily contact lens use for the contact lens cohort;\n* Have documented dry eye, consisting of signs and symptoms for the dry eye cohort;\n* Has had previous keratorefractive surgery for the post-refractive surgery cohort;\n* Able to comprehend and sign the informed consent form.\n\nExclusion Criteria:\n\n* Active ocular infection or inflammation;\n* Unable to fixate due to nystagmus or other eye movement abnormality (e.g., significant strabismus);\n* Any ocular disease and\u002For condition that, in the investigator's clinical judgment, may put the subject at significant risk, may compromise study result or may interfere significantly with the subject's participation in the study.","ALL","21 Years",{"count":89,"type":90},50,"ESTIMATED","OBSERVATIONAL","The purpose of this study is to compare the measurements obtained with two different biometers, UNITY Dx and Anterion. In eye care, a biometer is a device that uses laser technology to take highly precise measurements of the eye's internal structures. It is most frequently used to help determine the exact power of the intraocular lens (IOL) needed before cataract removal.",[94,95,96],"Anterior Segment of Eye","Axial Length","Biometrics Measurement",[98],"Biometer","2026-08-31",{"date":101,"type":102},"2026-09-02","ACTUAL",{"date":104,"type":102},"2026-08-17",{"date":106,"type":90},"2027-01",{"name":5,"class":6},1]