{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Astigmatism+Bilateral",
    "query": {
      "condition": "Astigmatism Bilateral"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 12,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Astigmatism+Bilateral&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-07-22T03:25:10.975Z",
  "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": "NCT02410824",
      "title": "Bilateral Dispensing Clinical Trial of Stenfilcon A Against Etafilcon A for Astigmatism",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Astigmatism"
      ],
      "interventions": [
        {
          "name": "stenfilcon A toric lens",
          "type": "DEVICE"
        },
        {
          "name": "etafilcon A toric lens",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "CooperVision, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "17 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "17 Years and older"
      },
      "enrollment_count": 52,
      "start_date": "2015-04",
      "completion_date": "2015-06",
      "has_results": true,
      "last_update_posted_date": "2017-08-21",
      "last_synced_at": "2026-07-22T03:25:10.975Z",
      "location_count": 1,
      "location_summary": "Berkeley, California",
      "locations": [
        {
          "city": "Berkeley",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02410824"
    },
    {
      "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": "2026-07-22T03:25:10.975Z",
      "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": "NCT03082599",
      "title": "Symfony Toric Intraocular Lens Visual Outcomes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cataract Bilateral",
        "Astigmatism Bilateral"
      ],
      "interventions": [
        {
          "name": "Presbyopia and astigmatism correcting intraocular lens",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Carolina Eyecare Physicians, LLC",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "40 Years to 99 Years"
      },
      "enrollment_count": 120,
      "start_date": "2017-02-17",
      "completion_date": "2018-04-03",
      "has_results": true,
      "last_update_posted_date": "2020-01-27",
      "last_synced_at": "2026-07-22T03:25:10.975Z",
      "location_count": 4,
      "location_summary": "Stillwater, Minnesota • Garden City, New York • Mt. Pleasant, South Carolina + 1 more",
      "locations": [
        {
          "city": "Stillwater",
          "state": "Minnesota"
        },
        {
          "city": "Garden City",
          "state": "New York"
        },
        {
          "city": "Mt. Pleasant",
          "state": "South Carolina"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03082599"
    },
    {
      "nct_id": "NCT05740293",
      "title": "Post-approval Study of New Enrolment Patients Undergoing Bilateral Treatment With the VisuMax SMILE Procedure",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Myopia",
        "Astigmatism"
      ],
      "interventions": [
        {
          "name": "VisuMax SMILE procedure for the reduction or elimination of myopia with astigmatism",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Carl Zeiss Meditec, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "22 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "22 Years and older"
      },
      "enrollment_count": 186,
      "start_date": "2022-04-05",
      "completion_date": "2025-08-25",
      "has_results": false,
      "last_update_posted_date": "2025-08-29",
      "last_synced_at": "2026-07-22T03:25:10.975Z",
      "location_count": 7,
      "location_summary": "Fayetteville, Arkansas • Rowland Heights, California • Leawood, Kansas + 4 more",
      "locations": [
        {
          "city": "Fayetteville",
          "state": "Arkansas"
        },
        {
          "city": "Rowland Heights",
          "state": "California"
        },
        {
          "city": "Leawood",
          "state": "Kansas"
        },
        {
          "city": "Columbia",
          "state": "Maryland"
        },
        {
          "city": "Brecksville",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05740293"
    },
    {
      "nct_id": "NCT06751225",
      "title": "Evaluation of Wear Experience With a Weekly Replacement Soft Contact Lens in Neophyte Lens Wearers With Astigmatism",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Astigmatism Bilateral"
      ],
      "interventions": [
        {
          "name": "One week replacement soft contact lenses",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Ohio State University",
      "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": 40,
      "start_date": "2025-01-21",
      "completion_date": "2025-11-04",
      "has_results": true,
      "last_update_posted_date": "2026-06-04",
      "last_synced_at": "2026-07-22T03:25:10.975Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06751225"
    },
    {
      "nct_id": "NCT03779503",
      "title": "Comparison of Two Daily Disposable Soft Contact Lenses",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Astigmatism Bilateral"
      ],
      "interventions": [
        {
          "name": "midafilcon A",
          "type": "DEVICE"
        },
        {
          "name": "somofilcon A",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "CooperVision, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "18 Years to 40 Years"
      },
      "enrollment_count": 55,
      "start_date": "2019-02-08",
      "completion_date": "2019-09-18",
      "has_results": true,
      "last_update_posted_date": "2020-10-08",
      "last_synced_at": "2026-07-22T03:25:10.975Z",
      "location_count": 1,
      "location_summary": "Pleasanton, California",
      "locations": [
        {
          "city": "Pleasanton",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03779503"
    },
    {
      "nct_id": "NCT04297969",
      "title": "Hyperopia Detection GCK With Glow Fixation",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Amblyopia Bilateral",
        "Hyperopia of Both Eyes",
        "Astigmatism Bilateral",
        "Accommodation Disorder"
      ],
      "interventions": [
        {
          "name": "objective pediatric vision screen \"GCK glow fixation\"",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Alaska Blind Child Discovery",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "1 Month",
        "maximum_age": "20 Years",
        "sex": "ALL",
        "summary": "1 Month to 20 Years"
      },
      "enrollment_count": 133,
      "start_date": "2019-10-14",
      "completion_date": "2020-03-03",
      "has_results": false,
      "last_update_posted_date": "2020-10-19",
      "last_synced_at": "2026-07-22T03:25:10.975Z",
      "location_count": 1,
      "location_summary": "Anchorage, Alaska",
      "locations": [
        {
          "city": "Anchorage",
          "state": "Alaska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04297969"
    },
    {
      "nct_id": "NCT02555098",
      "title": "A Bilateral Dispensing Clinical Trial of an Sapphire Lens Against Senofilcon A Toric for Astigmatism Lens",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Astigmatism"
      ],
      "interventions": [
        {
          "name": "Sapphire contact lenses",
          "type": "DEVICE"
        },
        {
          "name": "senofilcon A contact lenses",
          "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": 23,
      "start_date": "2015-09",
      "completion_date": "2016-04",
      "has_results": true,
      "last_update_posted_date": "2020-10-19",
      "last_synced_at": "2026-07-22T03:25:10.975Z",
      "location_count": 1,
      "location_summary": "Campbell, California",
      "locations": [
        {
          "city": "Campbell",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02555098"
    },
    {
      "nct_id": "NCT02423109",
      "title": "Bilateral Dispensing Study of Fanfilcon A Toric Versus Enfilcon A Toric Lenses",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Myopia",
        "Hyperopia",
        "Astigmatism"
      ],
      "interventions": [
        {
          "name": "fanfilcon A",
          "type": "DEVICE"
        },
        {
          "name": "enfilcon A",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "CooperVision, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "17 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "17 Years and older"
      },
      "enrollment_count": 44,
      "start_date": "2015-09",
      "completion_date": "2016-03",
      "has_results": true,
      "last_update_posted_date": "2018-01-10",
      "last_synced_at": "2026-07-22T03:25:10.975Z",
      "location_count": 1,
      "location_summary": "Berkeley, California",
      "locations": [
        {
          "city": "Berkeley",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02423109"
    },
    {
      "nct_id": "NCT03610997",
      "title": "Photorefractive Keratectomy for Severe Anisometropia and Isoametropia Associated With Amblyopia",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Anisometropia",
        "Hyperopia",
        "High Myopia",
        "Amblyopia Isometropic",
        "Amblyopia Bilateral",
        "High Astigmatism"
      ],
      "interventions": [
        {
          "name": "Photorefractive keratectomy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Baylor College of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "2 Years to 17 Years"
      },
      "enrollment_count": 200,
      "start_date": "2001-01-01",
      "completion_date": "2024-09-01",
      "has_results": false,
      "last_update_posted_date": "2025-12-08",
      "last_synced_at": "2026-07-22T03:25:10.975Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03610997"
    }
  ]
}