{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Ametropia&page=2",
    "query": {
      "condition": "Ametropia",
      "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=Ametropia&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-06-11T01:37:39.031Z",
  "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": "NCT07168564",
      "title": "Post Marketing Clinical Study on the Efficacy of Lenses From a New Prescription Protocol",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Ametropia",
        "Refractive Error"
      ],
      "interventions": [
        {
          "name": "AVA lenses",
          "type": "DEVICE"
        },
        {
          "name": "Standard lenses",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Essilor International",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 120,
      "start_date": "2025-09-22",
      "completion_date": "2026-05-28",
      "has_results": false,
      "last_update_posted_date": "2026-06-09",
      "last_synced_at": "2026-06-11T01:37:39.031Z",
      "location_count": 1,
      "location_summary": "Bloomington, Indiana",
      "locations": [
        {
          "city": "Bloomington",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07168564"
    },
    {
      "nct_id": "NCT06165627",
      "title": "Comparison of Clinical Performance of Two Monthly Replacement Toric Soft Contact Lenses",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Ametropia",
        "Astigmatism"
      ],
      "interventions": [
        {
          "name": "Lehfilcon A toric contact lenses",
          "type": "DEVICE"
        },
        {
          "name": "Comfilcon A toric 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": "45 Years",
        "sex": "ALL",
        "summary": "18 Years to 45 Years"
      },
      "enrollment_count": 67,
      "start_date": "2024-01-23",
      "completion_date": "2024-05-12",
      "has_results": true,
      "last_update_posted_date": "2025-05-29",
      "last_synced_at": "2026-06-11T01:37:39.031Z",
      "location_count": 5,
      "location_summary": "Los Angeles, California • Oakland, California • San Francisco, California + 2 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Oakland",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        },
        {
          "city": "Granville",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06165627"
    },
    {
      "nct_id": "NCT01484054",
      "title": "Dispensing Evaluation of Subjective Comfort, Vision, and Handling of a New Lens Compared to a Marketed Lens",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Refractive Ametropia"
      ],
      "interventions": [
        {
          "name": "etafilcon A with print and PVP for dark eyes (EAPVPDE)",
          "type": "DEVICE"
        },
        {
          "name": "etafilcon A control lens (EADE)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Johnson & Johnson Vision Care, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "34 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 34 Years · Female only"
      },
      "enrollment_count": 103,
      "start_date": "2011-11",
      "completion_date": "2012-02",
      "has_results": true,
      "last_update_posted_date": "2018-06-19",
      "last_synced_at": "2026-06-11T01:37:39.031Z",
      "location_count": 6,
      "location_summary": "Bloomfield, Connecticut • Tallahassee, Florida • Overland Park, Kansas + 3 more",
      "locations": [
        {
          "city": "Bloomfield",
          "state": "Connecticut"
        },
        {
          "city": "Tallahassee",
          "state": "Florida"
        },
        {
          "city": "Overland Park",
          "state": "Kansas"
        },
        {
          "city": "Jamestown",
          "state": "New York"
        },
        {
          "city": "Kingston",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01484054"
    },
    {
      "nct_id": "NCT03319212",
      "title": "Clinical Characterization of Symptomatic Populations",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Ametropia"
      ],
      "interventions": [
        {
          "name": "senofilcon A contact lenses",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Johnson & Johnson Vision Care, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 105,
      "start_date": "2017-09-29",
      "completion_date": "2018-08-15",
      "has_results": true,
      "last_update_posted_date": "2019-10-15",
      "last_synced_at": "2026-06-11T01:37:39.031Z",
      "location_count": 1,
      "location_summary": "Jacksonville, Florida",
      "locations": [
        {
          "city": "Jacksonville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03319212"
    },
    {
      "nct_id": "NCT00639379",
      "title": "Comparison of Two Toric Contact Lenses on Current Toric Wearers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Ametropia"
      ],
      "interventions": [
        {
          "name": "senofilcon A toric",
          "type": "DEVICE"
        },
        {
          "name": "alphafilcon A toric",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Johnson & Johnson Vision Care, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "18 Years to 45 Years"
      },
      "enrollment_count": 89,
      "start_date": "2008-02",
      "completion_date": "2008-06",
      "has_results": true,
      "last_update_posted_date": "2015-05-21",
      "last_synced_at": "2026-06-11T01:37:39.031Z",
      "location_count": 7,
      "location_summary": "Jacksonville, Florida • Orlando, Florida • Morrow, Georgia + 4 more",
      "locations": [
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        },
        {
          "city": "Morrow",
          "state": "Georgia"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "Concord",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00639379"
    },
    {
      "nct_id": "NCT06902584",
      "title": "North American Comfilcon A Clinical Study",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Astigmatism",
        "Presbyopia",
        "Ametropia"
      ],
      "interventions": [
        {
          "name": "comfilcon A Sphere lens",
          "type": "DEVICE"
        },
        {
          "name": "comfilcon A Toric lens",
          "type": "DEVICE"
        },
        {
          "name": "comfilcon A Multifocal lens",
          "type": "DEVICE"
        },
        {
          "name": "comfilcon A Multifocal Toric lens",
          "type": "DEVICE"
        },
        {
          "name": "comfilcon A Energys lens",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "CooperVision International Limited (CVIL)",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "8 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "8 Years to 75 Years"
      },
      "enrollment_count": 182,
      "start_date": "2025-02-05",
      "completion_date": "2025-12",
      "has_results": false,
      "last_update_posted_date": "2025-08-27",
      "last_synced_at": "2026-06-11T01:37:39.031Z",
      "location_count": 4,
      "location_summary": "Berkeley, California • Granville, Ohio • College, Pennsylvania + 1 more",
      "locations": [
        {
          "city": "Berkeley",
          "state": "California"
        },
        {
          "city": "Granville",
          "state": "Ohio"
        },
        {
          "city": "College",
          "state": "Pennsylvania"
        },
        {
          "city": "Corpus Christi",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06902584"
    },
    {
      "nct_id": "NCT04942925",
      "title": "Clinical Comparison of Two Daily Disposable Contact Lenses - Pilot Study 3",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Myopia",
        "Ametropia"
      ],
      "interventions": [
        {
          "name": "Verofilcon A contact lenses",
          "type": "DEVICE"
        },
        {
          "name": "Kalifilcon A 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": 60,
      "start_date": "2021-07-20",
      "completion_date": "2021-09-09",
      "has_results": true,
      "last_update_posted_date": "2022-09-07",
      "last_synced_at": "2026-06-11T01:37:39.031Z",
      "location_count": 4,
      "location_summary": "Maitland, Florida • Orlando, Florida • Eden Prairie, Minnesota + 1 more",
      "locations": [
        {
          "city": "Maitland",
          "state": "Florida"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        },
        {
          "city": "Eden Prairie",
          "state": "Minnesota"
        },
        {
          "city": "Powell",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04942925"
    },
    {
      "nct_id": "NCT05010512",
      "title": "Clinical Performance of Two Commercial, Daily Disposable Contact Lenses",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Refractive Errors",
        "Ametropia",
        "Myopia"
      ],
      "interventions": [
        {
          "name": "Delefilcon A contact lenses",
          "type": "DEVICE"
        },
        {
          "name": "Kalifilcon A 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": 112,
      "start_date": "2021-08-31",
      "completion_date": "2021-10-12",
      "has_results": true,
      "last_update_posted_date": "2022-11-08",
      "last_synced_at": "2026-06-11T01:37:39.031Z",
      "location_count": 8,
      "location_summary": "Orlando, Florida • Tallahassee, Florida • Bloomington, Illinois + 4 more",
      "locations": [
        {
          "city": "Orlando",
          "state": "Florida"
        },
        {
          "city": "Tallahassee",
          "state": "Florida"
        },
        {
          "city": "Bloomington",
          "state": "Illinois"
        },
        {
          "city": "Franklin Park",
          "state": "Illinois"
        },
        {
          "city": "Eden Prairie",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05010512"
    },
    {
      "nct_id": "NCT00691197",
      "title": "Safety and Acceptability of Using a Rewetting Drop With Contact Lens Wear",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Ametropia"
      ],
      "interventions": [
        {
          "name": "Carboxymethylcellulose sodium and Glycerin",
          "type": "DEVICE"
        },
        {
          "name": "Carboxymethylcellulose sodium",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Allergan",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 246,
      "start_date": "2008-03",
      "completion_date": "2008-10",
      "has_results": true,
      "last_update_posted_date": "2015-07-22",
      "last_synced_at": "2026-06-11T01:37:39.031Z",
      "location_count": 1,
      "location_summary": "San Diego, California",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00691197"
    },
    {
      "nct_id": "NCT00597467",
      "title": "Study of Soft Contact Lens Use With 7 Day Extended Wear",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Ametropia"
      ],
      "interventions": [
        {
          "name": "VISA (comfilcon A) Silicone Hydrogel Soft contact lens",
          "type": "DEVICE"
        },
        {
          "name": "Acuvue 2 Soft Contact Lens",
          "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": 460,
      "start_date": "2006-03",
      "completion_date": "2007-11",
      "has_results": false,
      "last_update_posted_date": "2020-07-17",
      "last_synced_at": "2026-06-11T01:37:39.031Z",
      "location_count": 23,
      "location_summary": "La Mesa, California • San Diego, California • Santa Monica, California + 17 more",
      "locations": [
        {
          "city": "La Mesa",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Santa Monica",
          "state": "California"
        },
        {
          "city": "Fort Collins",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00597467"
    }
  ]
}