{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Refractive+Errors&page=13",
    "query": {
      "condition": "Refractive Errors",
      "page": 13
    },
    "page_size": 10
  },
  "pagination": {
    "page": 13,
    "page_size": 10,
    "total_count": 634,
    "total_pages": 64,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Refractive+Errors&page=14&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Refractive+Errors&page=12&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-20T10:08:06.041Z",
  "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": "NCT05049070",
      "title": "Study to Evaluate the Reliability, Validity and Safety of Subjective Mobile Refraction",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Refractive Errors"
      ],
      "interventions": [
        {
          "name": "Mobile medical application to self administer a subjective refraction test",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Standard of care refraction test",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "1800 Contacts, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "39 Years",
        "sex": "ALL",
        "summary": "18 Years to 39 Years"
      },
      "enrollment_count": 349,
      "start_date": "2021-09-15",
      "completion_date": "2023-06",
      "has_results": false,
      "last_update_posted_date": "2023-04-06",
      "last_synced_at": "2026-10-20T10:08:06.041Z",
      "location_count": 12,
      "location_summary": "Beverly Hills, California • Petaluma, California • Pomona, California + 9 more",
      "locations": [
        {
          "city": "Beverly Hills",
          "state": "California"
        },
        {
          "city": "Petaluma",
          "state": "California"
        },
        {
          "city": "Pomona",
          "state": "California"
        },
        {
          "city": "Delray Beach",
          "state": "Florida"
        },
        {
          "city": "Louisville",
          "state": "Kentucky"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05049070"
    },
    {
      "nct_id": "NCT04980456",
      "title": "Clinical Assessment of Two Daily Wear Monthly Replacement Soft Silicone Hydrogel Contact Lenses",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Myopia"
      ],
      "interventions": [
        {
          "name": "Lehfilcon A contact lenses",
          "type": "DEVICE"
        },
        {
          "name": "Comfilcon A contact lenses",
          "type": "DEVICE"
        },
        {
          "name": "CLEAR CARE",
          "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": 257,
      "start_date": "2021-08-05",
      "completion_date": "2021-11-20",
      "has_results": true,
      "last_update_posted_date": "2023-01-06",
      "last_synced_at": "2026-10-20T10:08:06.041Z",
      "location_count": 14,
      "location_summary": "Los Angeles, California • Oakland, California • San Francisco, California + 11 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Oakland",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Longwood",
          "state": "Florida"
        },
        {
          "city": "Maitland",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04980456"
    },
    {
      "nct_id": "NCT02060461",
      "title": "LASIK Flap Thickness and Visual Outcomes Using the WaveLight FS200 Femtosecond Laser",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Myopia"
      ],
      "interventions": [
        {
          "name": "FS200 femtosecond laser LASIK",
          "type": "DEVICE"
        },
        {
          "name": "IntraLase femtosecond laser LASIK",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "The Cleveland Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 33,
      "start_date": "2012-08",
      "completion_date": "2016-09",
      "has_results": true,
      "last_update_posted_date": "2018-03-23",
      "last_synced_at": "2026-10-20T10:08:06.041Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02060461"
    },
    {
      "nct_id": "NCT01049724",
      "title": "Lacritin and Heparanase Levels in Human Tears After Laser Refractive Surgery",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Myopia"
      ],
      "interventions": [
        {
          "name": "Tear collection",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Fort Belvoir Community Hospital",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "21 Years to 55 Years"
      },
      "enrollment_count": 196,
      "start_date": "2010-01",
      "completion_date": "2017-11",
      "has_results": false,
      "last_update_posted_date": "2018-02-07",
      "last_synced_at": "2026-10-20T10:08:06.041Z",
      "location_count": 1,
      "location_summary": "Fort Belvoir, Virginia",
      "locations": [
        {
          "city": "Fort Belvoir",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01049724"
    },
    {
      "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": "2026-10-20T10:08:06.041Z",
      "location_count": 1,
      "location_summary": "Fort Worth, Texas",
      "locations": [
        {
          "city": "Fort Worth",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01211535"
    },
    {
      "nct_id": "NCT05285553",
      "title": "MiSight 1 Day Post-Approval Study for Effectiveness and Visual Symptoms",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Myopia"
      ],
      "interventions": [
        {
          "name": "MiSight 1 Day",
          "type": "DEVICE"
        },
        {
          "name": "Proclear 1 day",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "CooperVision, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "8 Years",
        "maximum_age": "12 Years",
        "sex": "ALL",
        "summary": "8 Years to 12 Years"
      },
      "enrollment_count": 900,
      "start_date": "2022-06-25",
      "completion_date": "2030-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-07-08",
      "last_synced_at": "2026-10-20T10:08:06.041Z",
      "location_count": 30,
      "location_summary": "Birmingham, Alabama • Fullerton, California • La Mesa, California + 26 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Fullerton",
          "state": "California"
        },
        {
          "city": "La Mesa",
          "state": "California"
        },
        {
          "city": "Santa Ana",
          "state": "California"
        },
        {
          "city": "Ocoee",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05285553"
    },
    {
      "nct_id": "NCT03668067",
      "title": "Performance of 2WIN Photoscreener With Corneal Reflex Compared to School Bus Retinoscopy by AAPOS Guidelines",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Refractive Errors",
        "Amblyopia",
        "Strabismus",
        "Development Delay"
      ],
      "interventions": [
        {
          "name": "2WIN photoscreener",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Alaska Blind Child Discovery",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Week",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "1 Week to 90 Years"
      },
      "enrollment_count": 471,
      "start_date": "2018-04-02",
      "completion_date": "2018-10-31",
      "has_results": false,
      "last_update_posted_date": "2024-01-30",
      "last_synced_at": "2026-10-20T10:08:06.041Z",
      "location_count": 1,
      "location_summary": "Anchorage, Alaska",
      "locations": [
        {
          "city": "Anchorage",
          "state": "Alaska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03668067"
    },
    {
      "nct_id": "NCT04831515",
      "title": "Performance Evaluation of Two Daily Disposable Toric Lens Designs in Habitual Soft Contact Lens Wearers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Astigmatism"
      ],
      "interventions": [
        {
          "name": "Lens A",
          "type": "DEVICE"
        },
        {
          "name": "Lens B",
          "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": 48,
      "start_date": "2021-03-29",
      "completion_date": "2021-07-02",
      "has_results": true,
      "last_update_posted_date": "2022-02-15",
      "last_synced_at": "2026-10-20T10:08:06.041Z",
      "location_count": 4,
      "location_summary": "Whittier, California • Sarasota, Florida • Vestal, New York + 1 more",
      "locations": [
        {
          "city": "Whittier",
          "state": "California"
        },
        {
          "city": "Sarasota",
          "state": "Florida"
        },
        {
          "city": "Vestal",
          "state": "New York"
        },
        {
          "city": "Athens",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04831515"
    },
    {
      "nct_id": "NCT00765960",
      "title": "Evaluation of Outcomes Using the Amo Advanced CustomVue Ilasik Procedure",
      "overall_status": "WITHDRAWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Myopia",
        "Hyperopia"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Medical University of South Carolina",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2008-09",
      "completion_date": "2009-10",
      "has_results": false,
      "last_update_posted_date": "2018-06-06",
      "last_synced_at": "2026-10-20T10:08:06.041Z",
      "location_count": 1,
      "location_summary": "Charleston, South Carolina",
      "locations": [
        {
          "city": "Charleston",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00765960"
    },
    {
      "nct_id": "NCT06034327",
      "title": "Efficacy in Controlling Myopia in Young Children Using a Novel Spectacle Lens",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Myopia",
        "Juvenile Myopia",
        "Myopia Progression"
      ],
      "interventions": [
        {
          "name": "Single vision, impact-resistant spectacle lenses; Test Arm",
          "type": "DEVICE"
        },
        {
          "name": "Single vision, impact-resistant spectacle lenses; Control Arm",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "SightGlass Vision, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": "8 Years",
        "sex": "ALL",
        "summary": "6 Years to 8 Years"
      },
      "enrollment_count": 150,
      "start_date": "2023-09-18",
      "completion_date": "2027-03-31",
      "has_results": false,
      "last_update_posted_date": "2025-12-29",
      "last_synced_at": "2026-10-20T10:08:06.041Z",
      "location_count": 14,
      "location_summary": "Oakland, California • San Diego, California • San Francisco, California + 11 more",
      "locations": [
        {
          "city": "Oakland",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Santa Ana",
          "state": "California"
        },
        {
          "city": "Longwood",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06034327"
    }
  ]
}