{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Refractive+Error&page=2",
    "query": {
      "condition": "Refractive Error",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Refractive+Error&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-06-10T18:22:12.776Z",
  "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": "NCT03560141",
      "title": "Clinical Performance of a Silicone Hydrogel Contact Lens Following One Night 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": 12,
      "start_date": "2018-07-11",
      "completion_date": "2018-07-17",
      "has_results": true,
      "last_update_posted_date": "2021-07-28",
      "last_synced_at": "2026-06-10T18:22:12.776Z",
      "location_count": 1,
      "location_summary": "Johns Creek, Georgia",
      "locations": [
        {
          "city": "Johns Creek",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03560141"
    },
    {
      "nct_id": "NCT07076160",
      "title": "Pilot Dispensing Study of Two Marketed Daily Disposable Multifocal Contact Lenses",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Visual Acuity",
        "Presbyopia"
      ],
      "interventions": [
        {
          "name": "INFUSE® One Day Multifocal",
          "type": "DEVICE"
        },
        {
          "name": "ACUVUE® OASYS MAX 1-Day Multifocal Contact Lens",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Johnson & Johnson Vision Care, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "40 Years to 70 Years"
      },
      "enrollment_count": 74,
      "start_date": "2025-07-24",
      "completion_date": "2025-09-20",
      "has_results": false,
      "last_update_posted_date": "2026-06-05",
      "last_synced_at": "2026-06-10T18:22:12.776Z",
      "location_count": 7,
      "location_summary": "Jacksonville, Florida • Longwood, Florida • Maitland, Florida + 3 more",
      "locations": [
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Longwood",
          "state": "Florida"
        },
        {
          "city": "Maitland",
          "state": "Florida"
        },
        {
          "city": "Vestal",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07076160"
    },
    {
      "nct_id": "NCT00987623",
      "title": "Clinical Evaluation of Two Daily Disposable Lenses in Neophytes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Myopia"
      ],
      "interventions": [
        {
          "name": "nelfilcon A contact lens",
          "type": "DEVICE"
        },
        {
          "name": "narafilcon A contact lens",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "CIBA VISION",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "Up to 45 Years"
      },
      "enrollment_count": 326,
      "start_date": "2009-08",
      "completion_date": "2009-12",
      "has_results": true,
      "last_update_posted_date": "2012-07-10",
      "last_synced_at": "2026-06-10T18:22:12.776Z",
      "location_count": 1,
      "location_summary": "Fort Washington, Pennsylvania",
      "locations": [
        {
          "city": "Fort Washington",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00987623"
    },
    {
      "nct_id": "NCT00762502",
      "title": "Comparison of Senofilcon A Toric Lenses to Balafilcon A Toric Lenses Over Extended Wear Period",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Astigmatism"
      ],
      "interventions": [
        {
          "name": "senofilcon A toric contact lens",
          "type": "DEVICE"
        },
        {
          "name": "balafilcon A toric contact lens",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Johnson & Johnson Vision Care, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "18 Years to 45 Years"
      },
      "enrollment_count": 112,
      "start_date": "2007-06",
      "completion_date": "2008-01",
      "has_results": true,
      "last_update_posted_date": "2018-06-19",
      "last_synced_at": "2026-06-10T18:22:12.776Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00762502"
    },
    {
      "nct_id": "NCT01695369",
      "title": "Evaluation of Comfilcon A and Senofilcon A Lenses",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Myopia"
      ],
      "interventions": [
        {
          "name": "Senofilcon A; Comfilcon A",
          "type": "DEVICE"
        },
        {
          "name": "Comfilcon A; Senofilcon A",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "CooperVision, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 61,
      "start_date": "2012-08",
      "completion_date": "2012-08",
      "has_results": true,
      "last_update_posted_date": "2020-07-28",
      "last_synced_at": "2026-06-10T18:22:12.776Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01695369"
    },
    {
      "nct_id": "NCT03567005",
      "title": "Clinical Validation of DACP Digital Design",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Refractive Errors"
      ],
      "interventions": [
        {
          "name": "Nelfilcon A digital contact lenses",
          "type": "DEVICE"
        },
        {
          "name": "Nelfilcon A contact lenses",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Alcon Research",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "35 Years",
        "sex": "ALL",
        "summary": "18 Years to 35 Years"
      },
      "enrollment_count": 60,
      "start_date": "2018-06-25",
      "completion_date": "2018-08-26",
      "has_results": true,
      "last_update_posted_date": "2019-06-18",
      "last_synced_at": "2026-06-10T18:22:12.776Z",
      "location_count": 5,
      "location_summary": "Bloomington, Illinois • Powell, Ohio • Brentwood, Tennessee + 1 more",
      "locations": [
        {
          "city": "Bloomington",
          "state": "Illinois"
        },
        {
          "city": "Powell",
          "state": "Ohio"
        },
        {
          "city": "Brentwood",
          "state": "Tennessee"
        },
        {
          "city": "Memphis",
          "state": "Tennessee"
        },
        {
          "city": "Memphis",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03567005"
    },
    {
      "nct_id": "NCT04111757",
      "title": "A Study With Technolas® TENEO 317 Model 2 Excimer Laser to Treat Participants With Myopia or Myopic Astigmatism",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Myopia",
        "Myopic Astigmatism"
      ],
      "interventions": [
        {
          "name": "Technolas® TENEO 317 Model 2",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Bausch & Lomb Incorporated",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "22 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "22 Years and older"
      },
      "enrollment_count": 168,
      "start_date": "2019-07-25",
      "completion_date": "2021-08-06",
      "has_results": true,
      "last_update_posted_date": "2024-06-14",
      "last_synced_at": "2026-06-10T18:22:12.776Z",
      "location_count": 10,
      "location_summary": "Newport Beach, California • Blaine, Minnesota • Bloomington, Minnesota + 7 more",
      "locations": [
        {
          "city": "Newport Beach",
          "state": "California"
        },
        {
          "city": "Blaine",
          "state": "Minnesota"
        },
        {
          "city": "Bloomington",
          "state": "Minnesota"
        },
        {
          "city": "Omaha",
          "state": "Nebraska"
        },
        {
          "city": "Portsmouth",
          "state": "New Hampshire"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04111757"
    },
    {
      "nct_id": "NCT03496701",
      "title": "Performance of Wearers of Stenfilcon A Contact Lenses After A Refit With Test Lenses",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Myopia"
      ],
      "interventions": [
        {
          "name": "Test lens",
          "type": "DEVICE"
        },
        {
          "name": "control lens",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "CooperVision, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "35 Years",
        "sex": "ALL",
        "summary": "18 Years to 35 Years"
      },
      "enrollment_count": 77,
      "start_date": "2018-04-18",
      "completion_date": "2019-01-17",
      "has_results": true,
      "last_update_posted_date": "2021-06-30",
      "last_synced_at": "2026-06-10T18:22:12.776Z",
      "location_count": 4,
      "location_summary": "San Diego, California • Whittier, California • Sarasota, Florida + 1 more",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Whittier",
          "state": "California"
        },
        {
          "city": "Sarasota",
          "state": "Florida"
        },
        {
          "city": "State College",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03496701"
    },
    {
      "nct_id": "NCT01131130",
      "title": "Feasibility of a New Silicone Hydrogel Lens",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Myopia"
      ],
      "interventions": [
        {
          "name": "Investigational contact lens",
          "type": "DEVICE"
        },
        {
          "name": "Acuvue Oasys Contact Lens",
          "type": "DEVICE"
        },
        {
          "name": "Air Optix Aqua",
          "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": 120,
      "start_date": "2010-05",
      "completion_date": "2010-06",
      "has_results": true,
      "last_update_posted_date": "2014-04-30",
      "last_synced_at": "2026-06-10T18:22:12.776Z",
      "location_count": 1,
      "location_summary": "Rochester, New York",
      "locations": [
        {
          "city": "Rochester",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01131130"
    },
    {
      "nct_id": "NCT04404725",
      "title": "Comparing Biofinity Toric Multifocal to Ultra Multifocal for Astigmatism",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Astigmatism",
        "Presbyopia"
      ],
      "interventions": [
        {
          "name": "comfilcon A",
          "type": "DEVICE"
        },
        {
          "name": "Samfilcon A",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "CooperVision, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "17 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "17 Years and older"
      },
      "enrollment_count": 64,
      "start_date": "2020-08-06",
      "completion_date": "2021-07-29",
      "has_results": true,
      "last_update_posted_date": "2022-03-03",
      "last_synced_at": "2026-06-10T18:22:12.776Z",
      "location_count": 2,
      "location_summary": "Athens, Ohio • State College, Pennsylvania",
      "locations": [
        {
          "city": "Athens",
          "state": "Ohio"
        },
        {
          "city": "State College",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04404725"
    }
  ]
}