{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Ocular+Refraction",
    "query": {
      "condition": "Ocular Refraction"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 22,
    "total_pages": 3,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Ocular+Refraction&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-03T06:33:32.912Z",
  "attribution": "Data derived from public ClinicalTrials.gov records. The official record at https://clinicaltrials.gov/ remains the source of truth for current availability, contacts, and full study details.",
  "notes": [
    "This endpoint exposes only public summary fields — no participant contact emails, phone numbers, or scraped investigator contact details.",
    "For contact information and full protocol detail, follow each trial's `official_url` to the ClinicalTrials.gov record.",
    "This API is a navigational aid. It does not provide medical advice, eligibility determinations, or compensation guarantees."
  ],
  "trials": [
    {
      "nct_id": "NCT05049070",
      "title": "Study to Evaluate the Reliability, Validity and Safety of Subjective Mobile Refraction",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Refractive Errors"
      ],
      "interventions": [
        {
          "name": "Mobile medical application to self administer a subjective refraction test",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Standard of care refraction test",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "1800 Contacts, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "39 Years",
        "sex": "ALL",
        "summary": "18 Years to 39 Years"
      },
      "enrollment_count": 349,
      "start_date": "2021-09-15",
      "completion_date": "2023-06",
      "has_results": false,
      "last_update_posted_date": "2023-04-06",
      "last_synced_at": "2026-09-03T06:33:32.912Z",
      "location_count": 12,
      "location_summary": "Beverly Hills, California • Petaluma, California • Pomona, California + 9 more",
      "locations": [
        {
          "city": "Beverly Hills",
          "state": "California"
        },
        {
          "city": "Petaluma",
          "state": "California"
        },
        {
          "city": "Pomona",
          "state": "California"
        },
        {
          "city": "Delray Beach",
          "state": "Florida"
        },
        {
          "city": "Louisville",
          "state": "Kentucky"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05049070"
    },
    {
      "nct_id": "NCT02300116",
      "title": "Smart Vision Labs Autorefractor",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Ocular Refraction"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Smart Vision Labs",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "35 Years",
        "sex": "ALL",
        "summary": "18 Years to 35 Years"
      },
      "enrollment_count": 50,
      "start_date": "2014-11",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2015-05-19",
      "last_synced_at": "2026-09-03T06:33:32.912Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02300116"
    },
    {
      "nct_id": "NCT03957408",
      "title": "Investigational Study of Accommodation Triggering and Control to Allow for the Performance of Refraction Measurements",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Accommodation"
      ],
      "interventions": [
        {
          "name": "Visual Stimuli",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "EyeQue Corp.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "30 Years",
        "sex": "ALL",
        "summary": "18 Years to 30 Years"
      },
      "enrollment_count": 38,
      "start_date": "2019-09-03",
      "completion_date": "2020-12-18",
      "has_results": false,
      "last_update_posted_date": "2021-03-24",
      "last_synced_at": "2026-09-03T06:33:32.912Z",
      "location_count": 1,
      "location_summary": "Newark, California",
      "locations": [
        {
          "city": "Newark",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03957408"
    },
    {
      "nct_id": "NCT02559271",
      "title": "Pediatric Refraction With SVOne Autorefractor",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Ocular Refraction"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Smart Vision Labs",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": "16 Years",
        "sex": "ALL",
        "summary": "5 Years to 16 Years"
      },
      "enrollment_count": 40,
      "start_date": "2015-08",
      "completion_date": "2015-12",
      "has_results": false,
      "last_update_posted_date": "2015-09-24",
      "last_synced_at": "2026-09-03T06:33:32.912Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02559271"
    },
    {
      "nct_id": "NCT00574717",
      "title": "Enhancement of Emmetropization in Hyperopic Infants",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Hyperopia",
        "Hypermetropia",
        "Farsightedness"
      ],
      "interventions": [
        {
          "name": "Spectacles",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Ohio State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "8 Weeks",
        "maximum_age": "20 Weeks",
        "sex": "ALL",
        "summary": "8 Weeks to 20 Weeks"
      },
      "enrollment_count": 6,
      "start_date": "2007-12",
      "completion_date": "2010-09",
      "has_results": false,
      "last_update_posted_date": "2012-10-19",
      "last_synced_at": "2026-09-03T06:33:32.912Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00574717"
    },
    {
      "nct_id": "NCT04820218",
      "title": "At-home Testing Refraction Results With Best Corrected Visual Acuity (BCVA) Outcomes in Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Visual Impairment",
        "Myopia",
        "Hyperopia",
        "Astigmatism"
      ],
      "interventions": [
        {
          "name": "With Try-on glasses",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "EyeQue Corp.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "30 Years and older"
      },
      "enrollment_count": 53,
      "start_date": "2021-04-21",
      "completion_date": "2023-01-20",
      "has_results": false,
      "last_update_posted_date": "2023-01-25",
      "last_synced_at": "2026-09-03T06:33:32.912Z",
      "location_count": 1,
      "location_summary": "Newark, California",
      "locations": [
        {
          "city": "Newark",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04820218"
    },
    {
      "nct_id": "NCT05888337",
      "title": "Comparison of Contoura Vision Outcomes Programmed Using the Manifest Refraction Verses Using Phorcides Planning Software in Patients With Oblique Astigmatism",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Myopia",
        "Astigmatism"
      ],
      "interventions": [
        {
          "name": "Contoura LASIK with Phorcides planning strategy",
          "type": "DEVICE"
        },
        {
          "name": "Contoura LASIK with manifest refraction planning strategy",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Bismarck Lasik",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 9,
      "start_date": "2023-06-20",
      "completion_date": "2023-12-05",
      "has_results": false,
      "last_update_posted_date": "2023-12-13",
      "last_synced_at": "2026-09-03T06:33:32.912Z",
      "location_count": 1,
      "location_summary": "Bismarck, North Dakota",
      "locations": [
        {
          "city": "Bismarck",
          "state": "North Dakota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05888337"
    },
    {
      "nct_id": "NCT05059041",
      "title": "Dilated Versus Non-Dilated Wavefront Corrections for Patients With Down Syndrome",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Down Syndrome",
        "Refractive Errors"
      ],
      "interventions": [
        {
          "name": "Dilated Refraction",
          "type": "DEVICE"
        },
        {
          "name": "Non-Dilated Refraction",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Ohio State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "5 Years and older"
      },
      "enrollment_count": 42,
      "start_date": "2022-05-06",
      "completion_date": "2025-01-24",
      "has_results": true,
      "last_update_posted_date": "2026-05-08",
      "last_synced_at": "2026-09-03T06:33:32.912Z",
      "location_count": 2,
      "location_summary": "Columbus, Ohio • Houston, Texas",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05059041"
    },
    {
      "nct_id": "NCT01342393",
      "title": "Proof of Concept Study for First-Sight Refractive Error Correction: Direct Comparison to Manifest Refraction and Autorefraction Results",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Refractive Error"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of Nebraska",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "19 Years and older"
      },
      "enrollment_count": 41,
      "start_date": "2011-04",
      "completion_date": "2011-08",
      "has_results": false,
      "last_update_posted_date": "2012-01-11",
      "last_synced_at": "2026-09-03T06:33:32.912Z",
      "location_count": 1,
      "location_summary": "Omaha, Nebraska",
      "locations": [
        {
          "city": "Omaha",
          "state": "Nebraska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01342393"
    },
    {
      "nct_id": "NCT07570602",
      "title": "VisionApp - Refraction and Presbyopia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Presbyopia",
        "Refractive Errors"
      ],
      "interventions": [
        {
          "name": "VisionApp",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Indiana University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 16,
      "start_date": "2023-07-05",
      "completion_date": "2023-07-24",
      "has_results": true,
      "last_update_posted_date": "2026-06-11",
      "last_synced_at": "2026-09-03T06:33:32.912Z",
      "location_count": 1,
      "location_summary": "Bloomington, Indiana",
      "locations": [
        {
          "city": "Bloomington",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07570602"
    }
  ]
}