{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Refractive+Errors&page=3",
    "query": {
      "condition": "Refractive Errors",
      "page": 3
    },
    "page_size": 10
  },
  "pagination": {
    "page": 3,
    "page_size": 10,
    "total_count": 633,
    "total_pages": 64,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Refractive+Errors&page=4&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Refractive+Errors&page=2&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-19T11:01:28.808Z",
  "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": "NCT01309893",
      "title": "A Study to Evaluate a New Silicone Hydrogel Contact Lens",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Myopia"
      ],
      "interventions": [
        {
          "name": "Investigational Lens",
          "type": "DEVICE"
        },
        {
          "name": "Air Optix Aqua lens",
          "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": 66,
      "start_date": "2010-12",
      "completion_date": "2011-02",
      "has_results": true,
      "last_update_posted_date": "2014-11-24",
      "last_synced_at": "2026-10-19T11:01:28.808Z",
      "location_count": 1,
      "location_summary": "Rochester, New York",
      "locations": [
        {
          "city": "Rochester",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01309893"
    },
    {
      "nct_id": "NCT01118338",
      "title": "Evaluation of Two Different Designs of Bausch & Lomb Contact Lenses",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Myopia"
      ],
      "interventions": [
        {
          "name": "Redesigned Purevision Contact Lens",
          "type": "DEVICE"
        },
        {
          "name": "PureVision Contact Lens",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Bausch & Lomb Incorporated",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 376,
      "start_date": "2010-05",
      "completion_date": "2010-07",
      "has_results": true,
      "last_update_posted_date": "2020-10-06",
      "last_synced_at": "2026-10-19T11:01:28.808Z",
      "location_count": 1,
      "location_summary": "Rochester, New York",
      "locations": [
        {
          "city": "Rochester",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01118338"
    },
    {
      "nct_id": "NCT05580575",
      "title": "Evaluation of Wear Experience With Daily Disposable and Monthly Replacement Toric Contact Lenses",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Astigmatism Bilateral"
      ],
      "interventions": [
        {
          "name": "Daily disposable toric soft contact lens",
          "type": "DEVICE"
        },
        {
          "name": "Monthly replacement toric daily wear soft contact lens",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Ohio State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 67,
      "start_date": "2022-11-01",
      "completion_date": "2023-03-09",
      "has_results": true,
      "last_update_posted_date": "2024-04-29",
      "last_synced_at": "2026-10-19T11:01:28.808Z",
      "location_count": 3,
      "location_summary": "Medina, Minnesota • Columbus, Ohio • Granville, Ohio",
      "locations": [
        {
          "city": "Medina",
          "state": "Minnesota"
        },
        {
          "city": "Columbus",
          "state": "Ohio"
        },
        {
          "city": "Granville",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05580575"
    },
    {
      "nct_id": "NCT01693939",
      "title": "Evaluation of the Post-LASIK Flap Thickness of the FS200 Femtosecond Laser Flap",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Myopia"
      ],
      "interventions": [
        {
          "name": "FS200 Femtosecond Laser",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Durrie Vision",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 30,
      "start_date": "2012-02",
      "completion_date": "2012-04",
      "has_results": false,
      "last_update_posted_date": "2013-01-25",
      "last_synced_at": "2026-10-19T11:01:28.808Z",
      "location_count": 1,
      "location_summary": "Overland Park, Kansas",
      "locations": [
        {
          "city": "Overland Park",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01693939"
    },
    {
      "nct_id": "NCT01467557",
      "title": "Daily Disposable Performance of 1•DAY ACUVUE® TruEye™ and 1•DAY ACUVUE® MOIST® With LACREON® TECHNOLOGY",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Myopia",
        "Hyperopia"
      ],
      "interventions": [
        {
          "name": "narafilcon B daily disposable soft contact lenses",
          "type": "DEVICE"
        },
        {
          "name": "etafilcon A daily disposable soft contact lenses",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Johnson & Johnson Vision Care, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "8 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "8 Years and older"
      },
      "enrollment_count": 1171,
      "start_date": "2011-10",
      "completion_date": "2013-10",
      "has_results": true,
      "last_update_posted_date": "2018-06-19",
      "last_synced_at": "2026-10-19T11:01:28.808Z",
      "location_count": 37,
      "location_summary": "Campbell, California • Fullerton, California • Huntington Beach, California + 29 more",
      "locations": [
        {
          "city": "Campbell",
          "state": "California"
        },
        {
          "city": "Fullerton",
          "state": "California"
        },
        {
          "city": "Huntington Beach",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Mountain View",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01467557"
    },
    {
      "nct_id": "NCT04528017",
      "title": "Clinical Comparison of 2 Daily Disposable Contact Lenses - Pilot Study 2",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Refractive Errors",
        "Myopia"
      ],
      "interventions": [
        {
          "name": "Verofilcon A contact lenses",
          "type": "DEVICE"
        },
        {
          "name": "Somofilcon A contact lenses",
          "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": 56,
      "start_date": "2020-09-01",
      "completion_date": "2020-10-16",
      "has_results": true,
      "last_update_posted_date": "2021-11-11",
      "last_synced_at": "2026-10-19T11:01:28.808Z",
      "location_count": 4,
      "location_summary": "Maitland, Florida • Medina, Minnesota • Powell, Ohio + 1 more",
      "locations": [
        {
          "city": "Maitland",
          "state": "Florida"
        },
        {
          "city": "Medina",
          "state": "Minnesota"
        },
        {
          "city": "Powell",
          "state": "Ohio"
        },
        {
          "city": "Wichita Falls",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04528017"
    },
    {
      "nct_id": "NCT07126756",
      "title": "LASIK iDesign vs SMILE",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Myopia",
        "Astigmatism"
      ],
      "interventions": [
        {
          "name": "STAR S4 IR Excimer Laser System",
          "type": "DEVICE"
        },
        {
          "name": "VisuMax 400 Surgical Laser",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "59th Medical Wing",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "21 Years to 50 Years"
      },
      "enrollment_count": 57,
      "start_date": "2024-06-10",
      "completion_date": "2026-01-31",
      "has_results": false,
      "last_update_posted_date": "2025-08-17",
      "last_synced_at": "2026-10-19T11:01:28.808Z",
      "location_count": 1,
      "location_summary": "Lackland Air Force Base, Texas",
      "locations": [
        {
          "city": "Lackland Air Force Base",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07126756"
    },
    {
      "nct_id": "NCT03306641",
      "title": "A One-Week Crossover Dispensing Evaluation of New Daily Wear Soft Contact Lenses",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Myopia"
      ],
      "interventions": [
        {
          "name": "Test Contact Lens",
          "type": "DEVICE"
        },
        {
          "name": "Nelfilcon A",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "CooperVision, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 45,
      "start_date": "2017-07-28",
      "completion_date": "2017-08-31",
      "has_results": true,
      "last_update_posted_date": "2020-09-22",
      "last_synced_at": "2026-10-19T11:01:28.808Z",
      "location_count": 1,
      "location_summary": "Bloomington, Indiana",
      "locations": [
        {
          "city": "Bloomington",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03306641"
    },
    {
      "nct_id": "NCT03158142",
      "title": "The Influence of Atropine on Choroidal Thickness",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Myopia"
      ],
      "interventions": [
        {
          "name": "Atropine Sulfate 1% Oph Soln",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "State University of New York College of Optometry",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "18 Years to 40 Years"
      },
      "enrollment_count": 32,
      "start_date": "2017-03-15",
      "completion_date": "2017-11-20",
      "has_results": false,
      "last_update_posted_date": "2018-10-15",
      "last_synced_at": "2026-10-19T11:01:28.808Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03158142"
    },
    {
      "nct_id": "NCT07201298",
      "title": "A Three-Phase Contralateral Comparison of Ray-Tracing Guided LASIK Versus Three Other Refractive Surgery Platforms to Correct Myopia or Myopia With Astigmatism",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Myopia",
        "Astigmatism"
      ],
      "interventions": [
        {
          "name": "Ray-Tracing Guided LASIK",
          "type": "DEVICE"
        },
        {
          "name": "Keratorefractive Lenticule Extraction (KLEx)",
          "type": "DEVICE"
        },
        {
          "name": "WaveFront Optimized LASIK",
          "type": "DEVICE"
        },
        {
          "name": "Topography Guided LASIK",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Hoopes Vision",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "22 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "22 Years to 50 Years"
      },
      "enrollment_count": 120,
      "start_date": "2025-09",
      "completion_date": "2029-09",
      "has_results": false,
      "last_update_posted_date": "2025-10-01",
      "last_synced_at": "2026-10-19T11:01:28.808Z",
      "location_count": 1,
      "location_summary": "Draper, Utah",
      "locations": [
        {
          "city": "Draper",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07201298"
    }
  ]
}