{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Refractive+Errors&page=4",
    "query": {
      "condition": "Refractive Errors",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 634,
    "total_pages": 64,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Refractive+Errors&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Refractive+Errors&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-19T13:06:45.650Z",
  "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": "NCT03637348",
      "title": "Effect of TrueTear Corneal Surface Imaging",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cataract",
        "Myopia"
      ],
      "interventions": [
        {
          "name": "TrueTear",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Price Vision Group",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 45,
      "start_date": "2018-08-13",
      "completion_date": "2019-07-08",
      "has_results": true,
      "last_update_posted_date": "2020-08-11",
      "last_synced_at": "2026-10-19T13:06:45.650Z",
      "location_count": 1,
      "location_summary": "Indianapolis, Indiana",
      "locations": [
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03637348"
    },
    {
      "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": "2026-10-19T13:06:45.650Z",
      "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": "NCT01746589",
      "title": "Visual Outcomes and Contrast Sensitivity After Myopic LASIK",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Myopia"
      ],
      "interventions": [
        {
          "name": "bilateral myopic LASIK",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Daniel S. Durrie, MD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 22,
      "start_date": "2011-11",
      "completion_date": "2012-01",
      "has_results": false,
      "last_update_posted_date": "2013-01-28",
      "last_synced_at": "2026-10-19T13:06:45.650Z",
      "location_count": 1,
      "location_summary": "Overland Park, Kansas",
      "locations": [
        {
          "city": "Overland Park",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01746589"
    },
    {
      "nct_id": "NCT04219891",
      "title": "WaveLight® EX500 Excimer Laser System for the Correction of Myopia Using InnovEyes™ in Conjunction With InnovEyes™ Sightmap",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Myopia"
      ],
      "interventions": [
        {
          "name": "WaveLight EX500 excimer laser system with InnovEyes sightmap",
          "type": "DEVICE"
        },
        {
          "name": "LASIK",
          "type": "PROCEDURE"
        },
        {
          "name": "InnovEyes sightmap",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "PROCEDURE"
      ],
      "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": 272,
      "start_date": "2020-03-09",
      "completion_date": "2022-11-09",
      "has_results": true,
      "last_update_posted_date": "2025-04-06",
      "last_synced_at": "2026-10-19T13:06:45.650Z",
      "location_count": 9,
      "location_summary": "San Diego, California • Indianapolis, Indiana • Chevy Chase, Maryland + 6 more",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "Chevy Chase",
          "state": "Maryland"
        },
        {
          "city": "Kansas City",
          "state": "Missouri"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04219891"
    },
    {
      "nct_id": "NCT00405106",
      "title": "The Effect of Final Exam Preparation on Anxiety Level, Self-Perception, Ocular Symptoms, Accommodation and Vergence in Myopia",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Myopia"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Southern California College of Optometry at Marshall B. Ketchum University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "35 Years",
        "sex": "ALL",
        "summary": "20 Years to 35 Years"
      },
      "enrollment_count": 25,
      "start_date": "2005-12",
      "completion_date": "2006-05",
      "has_results": false,
      "last_update_posted_date": "2006-11-29",
      "last_synced_at": "2026-10-19T13:06:45.650Z",
      "location_count": 1,
      "location_summary": "Fullerton, California",
      "locations": [
        {
          "city": "Fullerton",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00405106"
    },
    {
      "nct_id": "NCT03918915",
      "title": "The Safety and Efficacy of SYD-101 in Children With Myopia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Nearsightedness",
        "Near Sightedness",
        "Near-sightedness"
      ],
      "interventions": [
        {
          "name": "SYD-101 0.01%",
          "type": "DRUG"
        },
        {
          "name": "SYD-101 0.03%",
          "type": "DRUG"
        },
        {
          "name": "Vehicle",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Sydnexis, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "3 Years",
        "maximum_age": "14 Years",
        "sex": "ALL",
        "summary": "3 Years to 14 Years"
      },
      "enrollment_count": 852,
      "start_date": "2019-04-24",
      "completion_date": "2025-05-01",
      "has_results": true,
      "last_update_posted_date": "2026-07-30",
      "last_synced_at": "2026-10-19T13:06:45.650Z",
      "location_count": 41,
      "location_summary": "Irwindale, California • Pasadena, California • San Diego, California + 35 more",
      "locations": [
        {
          "city": "Irwindale",
          "state": "California"
        },
        {
          "city": "Pasadena",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Santa Barbara",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03918915"
    },
    {
      "nct_id": "NCT03592615",
      "title": "Binocular Vision Anomalies After Cataract and Refractive Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Binocular Vision Disorder",
        "Refractive Errors",
        "Cataract"
      ],
      "interventions": [
        {
          "name": "cataract surgery",
          "type": "PROCEDURE"
        },
        {
          "name": "Corneal refractive surgery",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Salus University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 51,
      "start_date": "2019-01-08",
      "completion_date": "2019-11-26",
      "has_results": false,
      "last_update_posted_date": "2020-03-18",
      "last_synced_at": "2026-10-19T13:06:45.650Z",
      "location_count": 1,
      "location_summary": "Elkins Park, Pennsylvania",
      "locations": [
        {
          "city": "Elkins Park",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03592615"
    },
    {
      "nct_id": "NCT02110472",
      "title": "Investigation of the Presbia Flexivue Microlens™",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Presbyopia"
      ],
      "interventions": [
        {
          "name": "Corneal inlay",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "PresbiBio, LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "45 Years to 60 Years"
      },
      "enrollment_count": 412,
      "start_date": "2014-05",
      "completion_date": "2019-02",
      "has_results": false,
      "last_update_posted_date": "2016-09-28",
      "last_synced_at": "2026-10-19T13:06:45.650Z",
      "location_count": 11,
      "location_summary": "Beverly Hills, California • La Jolla, California • Los Angeles, California + 8 more",
      "locations": [
        {
          "city": "Beverly Hills",
          "state": "California"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "Sarasota",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02110472"
    },
    {
      "nct_id": "NCT05135286",
      "title": "Safety and Efficacy Study of BRIMOCHOL™ PF and Carbachol PF in Subjects With Emmetropic Phakic and Pseudophakic Presbyopia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Presbyopia"
      ],
      "interventions": [
        {
          "name": "BRIMOCHOL™ PF",
          "type": "DRUG"
        },
        {
          "name": "Carbachol PF",
          "type": "DRUG"
        },
        {
          "name": "Vehicle",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Visus Therapeutics",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "45 Years to 80 Years"
      },
      "enrollment_count": 629,
      "start_date": "2022-03-15",
      "completion_date": "2025-03-13",
      "has_results": false,
      "last_update_posted_date": "2025-08-06",
      "last_synced_at": "2026-10-19T13:06:45.650Z",
      "location_count": 42,
      "location_summary": "Chandler, Arizona • Phoenix, Arizona • Sun City, Arizona + 39 more",
      "locations": [
        {
          "city": "Chandler",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Sun City",
          "state": "Arizona"
        },
        {
          "city": "Glendale",
          "state": "California"
        },
        {
          "city": "Inglewood",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05135286"
    },
    {
      "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": "2026-10-19T13:06:45.650Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01695369"
    }
  ]
}