{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Myopia%3B+Astigmatism&page=2",
    "query": {
      "condition": "Myopia; 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=Myopia%3B+Astigmatism&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-07-23T22:27:22.582Z",
  "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": "NCT02576483",
      "title": "An Evaluation of LASIK, SMILE and PRK Surgery in Physicians",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Nearsightedness",
        "Farsightedness",
        "Astigmatism"
      ],
      "interventions": [
        {
          "name": "Questionnaire (QoV questionnaire)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "62 Years",
        "sex": "ALL",
        "summary": "21 Years to 62 Years"
      },
      "enrollment_count": 700,
      "start_date": "2015-07",
      "completion_date": "2028-01",
      "has_results": false,
      "last_update_posted_date": "2024-10-23",
      "last_synced_at": "2026-07-23T22:27:22.582Z",
      "location_count": 1,
      "location_summary": "Palo Alto, California",
      "locations": [
        {
          "city": "Palo Alto",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02576483"
    },
    {
      "nct_id": "NCT01140594",
      "title": "Wavefront-guided Photorefractive Keratectomy (PRK) Versus Wavefront-guided Lasik for Myopia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Myopia",
        "Astigmatism"
      ],
      "interventions": [
        {
          "name": "Photorefractive keratectomy",
          "type": "PROCEDURE"
        },
        {
          "name": "Laser in-situ keratomileusis",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 34,
      "start_date": "2006-08",
      "completion_date": "2008-01",
      "has_results": false,
      "last_update_posted_date": "2022-04-11",
      "last_synced_at": "2026-07-23T22:27:22.582Z",
      "location_count": 1,
      "location_summary": "Stanford, California",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01140594"
    },
    {
      "nct_id": "NCT02185105",
      "title": "Clinical Validation of Biofinity Toric MTO (Made To Order) Lenses",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Myopia",
        "Astigmatism"
      ],
      "interventions": [
        {
          "name": "comfilcon A MTO",
          "type": "DEVICE"
        },
        {
          "name": "comfilcon 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": 30,
      "start_date": "2014-06",
      "completion_date": "2014-06",
      "has_results": true,
      "last_update_posted_date": "2017-03-07",
      "last_synced_at": "2026-07-23T22:27:22.582Z",
      "location_count": 1,
      "location_summary": "Bloomington, Indiana",
      "locations": [
        {
          "city": "Bloomington",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02185105"
    },
    {
      "nct_id": "NCT07284966",
      "title": "Comfort and Vision With TOTAL30 Multifocal Lenses",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Myopia",
        "Presbyopia",
        "Astigmatism"
      ],
      "interventions": [
        {
          "name": "TOTAL30 Multifocal",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Scripps Poway Eyecare and Optometry",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 36,
      "start_date": "2026-02-05",
      "completion_date": "2027-01-21",
      "has_results": false,
      "last_update_posted_date": "2026-02-09",
      "last_synced_at": "2026-07-23T22:27:22.582Z",
      "location_count": 1,
      "location_summary": "San Diego, California",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07284966"
    },
    {
      "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": "2026-07-23T22:27:22.582Z",
      "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": "NCT03722784",
      "title": "Evaluation of Silicone Hydrogel Daily Wear Contact Lenses for Up to One (1) Month of Daily Wear",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Myopia",
        "Hyperopia",
        "Astigmatism"
      ],
      "interventions": [
        {
          "name": "Invigor A (test)",
          "type": "DEVICE"
        },
        {
          "name": "Invigor B (control)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "CooperVision, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 88,
      "start_date": "2018-10-10",
      "completion_date": "2019-06-01",
      "has_results": true,
      "last_update_posted_date": "2020-10-01",
      "last_synced_at": "2026-07-23T22:27:22.582Z",
      "location_count": 6,
      "location_summary": "Torrance, California • East Lansing, Michigan • St Louis, Missouri + 3 more",
      "locations": [
        {
          "city": "Torrance",
          "state": "California"
        },
        {
          "city": "East Lansing",
          "state": "Michigan"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "Athens",
          "state": "Ohio"
        },
        {
          "city": "Brentwood",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03722784"
    },
    {
      "nct_id": "NCT06009458",
      "title": "Acuity 200™ (Fluoroxyfocon A) Orthokeratology Contact Lens for Overnight Wear",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Myopia"
      ],
      "interventions": [
        {
          "name": "Acuity 200™ (fluoroxyfocon A) Orthokeratology Contact Lens for Overnight Wear",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Acuity Polymers, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "7 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "7 Years and older"
      },
      "enrollment_count": 387,
      "start_date": "2023-10-01",
      "completion_date": "2025-09",
      "has_results": false,
      "last_update_posted_date": "2025-01-14",
      "last_synced_at": "2026-07-23T22:27:22.582Z",
      "location_count": 9,
      "location_summary": "Mission Viejo, California • Oakland, California • San Francisco, California + 6 more",
      "locations": [
        {
          "city": "Mission Viejo",
          "state": "California"
        },
        {
          "city": "Oakland",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Sunnyvale",
          "state": "California"
        },
        {
          "city": "Ocoee",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06009458"
    },
    {
      "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": "2026-07-23T22:27:22.582Z",
      "location_count": 1,
      "location_summary": "Amarillo, Texas",
      "locations": [
        {
          "city": "Amarillo",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04903301"
    },
    {
      "nct_id": "NCT04249505",
      "title": "Refractive Accuracy of \"2WIN\" and Portable Autorefractors",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Refractive Error - Myopia Axial",
        "Astigmatism",
        "Accomodation",
        "Visual Impairment",
        "Hyperopia of Both Eyes"
      ],
      "interventions": [
        {
          "name": "\"2WIN\" Photoscreener",
          "type": "DEVICE"
        },
        {
          "name": "\"Plusoptix A12\"",
          "type": "DEVICE"
        },
        {
          "name": "\"Retinomax\"",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Alaska Blind Child Discovery",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "6 Months",
        "maximum_age": "95 Years",
        "sex": "ALL",
        "summary": "6 Months to 95 Years"
      },
      "enrollment_count": 708,
      "start_date": "2020-01-09",
      "completion_date": "2021-04-01",
      "has_results": false,
      "last_update_posted_date": "2021-07-23",
      "last_synced_at": "2026-07-23T22:27:22.582Z",
      "location_count": 1,
      "location_summary": "Anchorage, Alaska",
      "locations": [
        {
          "city": "Anchorage",
          "state": "Alaska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04249505"
    },
    {
      "nct_id": "NCT03728218",
      "title": "Visual Outcomes for Toric Efficacy Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Astigmatism",
        "Myopia"
      ],
      "interventions": [
        {
          "name": "Contact lenses (Orthokeratology)",
          "type": "DEVICE"
        },
        {
          "name": "Contact lenses (Soft Multifocal)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Houston",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "39 Years",
        "sex": "ALL",
        "summary": "18 Years to 39 Years"
      },
      "enrollment_count": 34,
      "start_date": "2018-10-12",
      "completion_date": "2020-03-19",
      "has_results": false,
      "last_update_posted_date": "2020-07-14",
      "last_synced_at": "2026-07-23T22:27:22.582Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03728218"
    }
  ]
}