{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Astigmatism&page=2",
    "query": {
      "condition": "Astigmatism",
      "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=Astigmatism&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-05-22T08:12:47.446Z",
  "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": "NCT05259163",
      "title": "LFR-260 vs Traditional Phoropter in Visual Acuity Testing",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Visual Acuity",
        "Astigmatism",
        "Anisometropia"
      ],
      "interventions": [
        {
          "name": "LFR-260 portable phoropter",
          "type": "DEVICE"
        },
        {
          "name": "Traditional phoropter (SOC)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Evolution Optiks Limited",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "12 Years to 65 Years"
      },
      "enrollment_count": 112,
      "start_date": "2022-06-07",
      "completion_date": "2023-01-06",
      "has_results": true,
      "last_update_posted_date": "2024-09-25",
      "last_synced_at": "2026-05-22T08:12:47.446Z",
      "location_count": 2,
      "location_summary": "Worcester, Massachusetts • Oyster Bay, New York",
      "locations": [
        {
          "city": "Worcester",
          "state": "Massachusetts"
        },
        {
          "city": "Oyster Bay",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05259163"
    },
    {
      "nct_id": "NCT04883099",
      "title": "APIOC for Presbyopia and APIOC for Presbyopia With Astigmatism",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Presbyopia",
        "Myopia",
        "Hyperopia",
        "Astigmatism"
      ],
      "interventions": [
        {
          "name": "APIOC for Presbyopia and APIOC for Presbyopia for Astigmatism",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Lentechs, LLC",
      "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": 50,
      "start_date": "2021-05-06",
      "completion_date": "2021-10-31",
      "has_results": false,
      "last_update_posted_date": "2022-01-19",
      "last_synced_at": "2026-05-22T08:12:47.446Z",
      "location_count": 6,
      "location_summary": "San Diego, California • Orlando, Florida • Lexington, Kentucky + 3 more",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        },
        {
          "city": "Lexington",
          "state": "Kentucky"
        },
        {
          "city": "Miamisburg",
          "state": "Ohio"
        },
        {
          "city": "New Albany",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04883099"
    },
    {
      "nct_id": "NCT01268540",
      "title": "Comparison of Aspheric Toric & Non-toric Aphakic Intraocular Lenses",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Aphakia",
        "Cataract"
      ],
      "interventions": [
        {
          "name": "FY-60AD",
          "type": "DEVICE"
        },
        {
          "name": "NHT15, NHT30, & NHT53",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Hoya Surgical Optics, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 235,
      "start_date": "2010-12",
      "completion_date": "2014-06",
      "has_results": false,
      "last_update_posted_date": "2015-02-06",
      "last_synced_at": "2026-05-22T08:12:47.446Z",
      "location_count": 6,
      "location_summary": "Chino Hills, California • Santa Maria, California • Mt. Dora, Florida + 3 more",
      "locations": [
        {
          "city": "Chino Hills",
          "state": "California"
        },
        {
          "city": "Santa Maria",
          "state": "California"
        },
        {
          "city": "Mt. Dora",
          "state": "Florida"
        },
        {
          "city": "Bloomfield Hills",
          "state": "Michigan"
        },
        {
          "city": "Dansas City",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01268540"
    },
    {
      "nct_id": "NCT00413517",
      "title": "Evaluation of Epi-lasik in U.S. Army Personnel",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Myopia"
      ],
      "interventions": [
        {
          "name": "Epi-Lasik",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Walter Reed Army Medical Center",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 150,
      "start_date": "2006-11",
      "completion_date": "2009-09",
      "has_results": false,
      "last_update_posted_date": "2010-07-16",
      "last_synced_at": "2026-05-22T08:12:47.446Z",
      "location_count": 1,
      "location_summary": "Washington D.C., District of Columbia",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00413517"
    },
    {
      "nct_id": "NCT01211535",
      "title": "Subjective Comfort With Multipurpose Care Solutions in Soft Contact Lens Wearers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Myopia",
        "Astigmatism",
        "Refractive Error"
      ],
      "interventions": [
        {
          "name": "OPTI-FREE RepleniSH multipurpose solution",
          "type": "DEVICE"
        },
        {
          "name": "ReNu Biotrue multipurpose solution",
          "type": "DEVICE"
        },
        {
          "name": "Silicone hydrogel 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": 104,
      "start_date": "2010-09",
      "completion_date": "2010-11",
      "has_results": true,
      "last_update_posted_date": "2012-11-12",
      "last_synced_at": "2026-05-22T08:12:47.446Z",
      "location_count": 1,
      "location_summary": "Fort Worth, Texas",
      "locations": [
        {
          "city": "Fort Worth",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01211535"
    },
    {
      "nct_id": "NCT01655420",
      "title": "Patient Reported Outcomes With LASIK: PROWL-2",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Laser in Situ Keratomileusis"
      ],
      "interventions": [
        {
          "name": "LASIK",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Food and Drug Administration (FDA)",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "84 Years",
        "sex": "ALL",
        "summary": "21 Years to 84 Years"
      },
      "enrollment_count": 300,
      "start_date": "2012-07",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2018-02-08",
      "last_synced_at": "2026-05-22T08:12:47.446Z",
      "location_count": 5,
      "location_summary": "Stanford, California • Indianapolis, Indiana • Overland Park, Kansas + 2 more",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "Overland Park",
          "state": "Kansas"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Sioux Falls",
          "state": "South Dakota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01655420"
    },
    {
      "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": "2026-05-22T08:12:47.446Z",
      "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": "NCT02624791",
      "title": "Evaluating and Improving Functional Driving Vision of Patients With Astigmatism",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Astigmatism"
      ],
      "interventions": [
        {
          "name": "1-DAY ACUVUE® MOIST contact lenses",
          "type": "DEVICE"
        },
        {
          "name": "1-DAY ACUVUE® MOIST for ASTIGMATISM contact lenses",
          "type": "DEVICE"
        },
        {
          "name": "No contact lenses",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "University of Virginia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "39 Years",
        "sex": "ALL",
        "summary": "18 Years to 39 Years"
      },
      "enrollment_count": 11,
      "start_date": "2012-09",
      "completion_date": "2013-01",
      "has_results": true,
      "last_update_posted_date": "2020-03-06",
      "last_synced_at": "2026-05-22T08:12:47.446Z",
      "location_count": 1,
      "location_summary": "Charlottesville, Virginia",
      "locations": [
        {
          "city": "Charlottesville",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02624791"
    },
    {
      "nct_id": "NCT04254003",
      "title": "Clinical Performance Evaluation of Two Daily Disposable Silicone Hydrogel Toric Contact Lenses",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Refractive Errors"
      ],
      "interventions": [
        {
          "name": "DT1 Toric contact lenses",
          "type": "DEVICE"
        },
        {
          "name": "AO1DfA 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": 48,
      "start_date": "2020-02-05",
      "completion_date": "2020-03-02",
      "has_results": false,
      "last_update_posted_date": "2020-03-18",
      "last_synced_at": "2026-05-22T08:12:47.446Z",
      "location_count": 2,
      "location_summary": "Maitland, Florida • Eden Prairie, Minnesota",
      "locations": [
        {
          "city": "Maitland",
          "state": "Florida"
        },
        {
          "city": "Eden Prairie",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04254003"
    },
    {
      "nct_id": "NCT03819842",
      "title": "Evaluating the Need for the Pseudophakic Intraoperative Abberrometry in Toric IOL Implantation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cataract",
        "Nuclear Sclerosis",
        "Cortical Cataract",
        "Posterior Subcapsular Cataract",
        "Astigmatism"
      ],
      "interventions": [
        {
          "name": "Pseudophakic Measurement",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Alterman, Modi, & Wolter Ophthalmic Physicians & Surgeons",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "30 Years and older"
      },
      "enrollment_count": 40,
      "start_date": "2018-03-19",
      "completion_date": "2019-01-14",
      "has_results": false,
      "last_update_posted_date": "2022-01-20",
      "last_synced_at": "2026-05-22T08:12:47.446Z",
      "location_count": 1,
      "location_summary": "Poughkeepsie, New York",
      "locations": [
        {
          "city": "Poughkeepsie",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03819842"
    }
  ]
}