{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Refractive+Errors&page=16",
    "query": {
      "condition": "Refractive Errors",
      "page": 16
    },
    "page_size": 10
  },
  "pagination": {
    "page": 16,
    "page_size": 10,
    "total_count": 634,
    "total_pages": 64,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Refractive+Errors&page=17&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Refractive+Errors&page=15&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-21T00:04:05.029Z",
  "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": "NCT06487897",
      "title": "Phase III Presbyopia Correction Using the VIS Opti-K™ System",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Presbyopia"
      ],
      "interventions": [
        {
          "name": "Optimal laser keratoplasty",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "VIS, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 75,
      "start_date": "2024-09-30",
      "completion_date": "2027-12",
      "has_results": false,
      "last_update_posted_date": "2024-09-05",
      "last_synced_at": "2026-10-21T00:04:05.029Z",
      "location_count": 4,
      "location_summary": "Boca Raton, Florida • South Dartmouth, Massachusetts • Teaneck, New Jersey + 1 more",
      "locations": [
        {
          "city": "Boca Raton",
          "state": "Florida"
        },
        {
          "city": "South Dartmouth",
          "state": "Massachusetts"
        },
        {
          "city": "Teaneck",
          "state": "New Jersey"
        },
        {
          "city": "Oceanside",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06487897"
    },
    {
      "nct_id": "NCT01829230",
      "title": "Myopia Progression After Ceasing Myopia Control Contact Lens Wear",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Myopia"
      ],
      "interventions": [
        {
          "name": "1 Day Acuvue Moist",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Johnson & Johnson Vision Care, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "9 Years",
        "maximum_age": "13 Years",
        "sex": "ALL",
        "summary": "9 Years to 13 Years"
      },
      "enrollment_count": 82,
      "start_date": "2010-03",
      "completion_date": "2011-10",
      "has_results": true,
      "last_update_posted_date": "2018-06-19",
      "last_synced_at": "2026-10-21T00:04:05.029Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01829230"
    },
    {
      "nct_id": "NCT04415684",
      "title": "Projected Peripheral Defocus Using a Wearable Device",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Myopia"
      ],
      "interventions": [
        {
          "name": "Active projection of defocused image in the peripheral visual field (eSpecs, Acucela Inc.)",
          "type": "DEVICE"
        },
        {
          "name": "No Active projection of defocused image in the peripheral visual field (eSpecs, Acucela Inc.)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Kubota Vision Inc.",
      "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": 26,
      "start_date": "2020-06-29",
      "completion_date": "2020-08-20",
      "has_results": false,
      "last_update_posted_date": "2021-08-20",
      "last_synced_at": "2026-10-21T00:04:05.029Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04415684"
    },
    {
      "nct_id": "NCT07840209",
      "title": "Comparison of Hand Eye Coordination and Sports Vision Performance in Dual-Focus Multifocal Contact Lenses and Habitual Contact Lenses",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Myopia"
      ],
      "interventions": [
        {
          "name": "Multifocal Contact Lens",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Ohio State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "38 Years",
        "sex": "ALL",
        "summary": "18 Years to 38 Years"
      },
      "enrollment_count": 20,
      "start_date": "2026-10",
      "completion_date": "2027-12",
      "has_results": false,
      "last_update_posted_date": "2026-09-24",
      "last_synced_at": "2026-10-21T00:04:05.029Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07840209"
    },
    {
      "nct_id": "NCT05815784",
      "title": "Myopia Control: a Comparison Study Between Atropine and MiSight",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Myopia"
      ],
      "interventions": [
        {
          "name": "Atropine",
          "type": "DRUG"
        },
        {
          "name": "MiSight contact lenses",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE"
      ],
      "sponsor": "Ann & Robert H Lurie Children's Hospital of Chicago",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": "12 Years",
        "sex": "ALL",
        "summary": "5 Years to 12 Years"
      },
      "enrollment_count": 348,
      "start_date": "2023-05-02",
      "completion_date": "2028-01-01",
      "has_results": false,
      "last_update_posted_date": "2026-07-22",
      "last_synced_at": "2026-10-21T00:04:05.029Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05815784"
    },
    {
      "nct_id": "NCT07747311",
      "title": "Contact Lenses to Slow Myopia Progression in Adults",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Myopia",
        "Myopia Progression"
      ],
      "interventions": [
        {
          "name": "Dual Focus Soft Contact Lens",
          "type": "DEVICE"
        },
        {
          "name": "Single Vision Soft Contact Lens",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of California, Berkeley",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "30 Years",
        "sex": "ALL",
        "summary": "18 Years to 30 Years"
      },
      "enrollment_count": 152,
      "start_date": "2026-09-01",
      "completion_date": "2030-09-30",
      "has_results": false,
      "last_update_posted_date": "2026-08-05",
      "last_synced_at": "2026-10-21T00:04:05.029Z",
      "location_count": 1,
      "location_summary": "Berkeley, California",
      "locations": [
        {
          "city": "Berkeley",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07747311"
    },
    {
      "nct_id": "NCT02024698",
      "title": "Multi-center Clinical Evaluation of PC 1-Day vs 1-Day Acuvue Moist",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Myopia"
      ],
      "interventions": [
        {
          "name": "omafilcon A",
          "type": "DEVICE"
        },
        {
          "name": "etafilcon A",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "CooperVision, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "18 Years to 40 Years"
      },
      "enrollment_count": 43,
      "start_date": "2014-01",
      "completion_date": "2014-03",
      "has_results": true,
      "last_update_posted_date": "2020-07-30",
      "last_synced_at": "2026-10-21T00:04:05.029Z",
      "location_count": 4,
      "location_summary": "Phoenix, Arizona • Lake Zurich, Illinois • Athens, Ohio + 1 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Lake Zurich",
          "state": "Illinois"
        },
        {
          "city": "Athens",
          "state": "Ohio"
        },
        {
          "city": "New Albany",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02024698"
    },
    {
      "nct_id": "NCT04903301",
      "title": "Patient Satisfaction With Contoura Vision Topography-Guided LASIK",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Myopia",
        "Astigmatism"
      ],
      "interventions": [
        {
          "name": "Contoura Vision LASIK",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Rush Eye Associates",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "35 Years",
        "sex": "ALL",
        "summary": "21 Years to 35 Years"
      },
      "enrollment_count": 50,
      "start_date": "2021-05-21",
      "completion_date": "2023-11-01",
      "has_results": false,
      "last_update_posted_date": "2023-11-18",
      "last_synced_at": "2026-10-21T00:04:05.029Z",
      "location_count": 1,
      "location_summary": "Amarillo, Texas",
      "locations": [
        {
          "city": "Amarillo",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04903301"
    },
    {
      "nct_id": "NCT03351101",
      "title": "Clinical Study of Approved Contact Lenses",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Myopia"
      ],
      "interventions": [
        {
          "name": "Senofilcon C",
          "type": "DEVICE"
        },
        {
          "name": "Samfilcon A",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Bausch & Lomb Incorporated",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 271,
      "start_date": "2017-10-23",
      "completion_date": "2017-12-08",
      "has_results": true,
      "last_update_posted_date": "2021-01-08",
      "last_synced_at": "2026-10-21T00:04:05.029Z",
      "location_count": 11,
      "location_summary": "San Diego, California • San Francisco, California • Denver, Colorado + 7 more",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03351101"
    },
    {
      "nct_id": "NCT03614130",
      "title": "Clinical Performance of a Silicone Hydrogel Contact Lens Following Six Nights of Extended Wear",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Refractive Errors"
      ],
      "interventions": [
        {
          "name": "LID011121 contact lens",
          "type": "DEVICE"
        },
        {
          "name": "Comfilcon A contact lens",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Alcon Research",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 22,
      "start_date": "2018-08-23",
      "completion_date": "2018-09-11",
      "has_results": true,
      "last_update_posted_date": "2021-09-30",
      "last_synced_at": "2026-10-21T00:04:05.029Z",
      "location_count": 2,
      "location_summary": "Johns Creek, Georgia • Brentwood, Tennessee",
      "locations": [
        {
          "city": "Johns Creek",
          "state": "Georgia"
        },
        {
          "city": "Brentwood",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03614130"
    }
  ]
}