{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Non-Prism+Glasses",
    "query": {
      "intervention": "Non-Prism Glasses"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 5,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-21T07:32:54.562Z",
  "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": "NCT03998670",
      "title": "Base-in Prism Spectacles for Intermittent Exotropia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Exotropia Intermittent"
      ],
      "interventions": [
        {
          "name": "Prism Glasses",
          "type": "DEVICE"
        },
        {
          "name": "Non-Prism Glasses",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Jaeb Center for Health Research",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "3 Years",
        "maximum_age": "13 Years",
        "sex": "ALL",
        "summary": "3 Years to 13 Years"
      },
      "enrollment_count": 61,
      "start_date": "2019-09-01",
      "completion_date": "2020-07-30",
      "has_results": true,
      "last_update_posted_date": "2023-10-04",
      "last_synced_at": "2026-09-21T07:32:54.562Z",
      "location_count": 28,
      "location_summary": "Birmingham, Alabama • Glendale, Arizona • Little Rock, Arkansas + 23 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Glendale",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Fullerton",
          "state": "California"
        },
        {
          "city": "Pomona",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03998670"
    },
    {
      "nct_id": "NCT05087563",
      "title": "Neurolens Convergence Insufficiency Study",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Binocular Vision Disorder",
        "Convergence Insufficiency",
        "Computer Vision Syndrome"
      ],
      "interventions": [
        {
          "name": "Neurolens spectacle lens",
          "type": "DEVICE"
        },
        {
          "name": "Placebo spectacle lens",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Neurolens Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 50,
      "start_date": "2021-11-22",
      "completion_date": "2022-05-31",
      "has_results": false,
      "last_update_posted_date": "2023-10-13",
      "last_synced_at": "2026-09-21T07:32:54.562Z",
      "location_count": 9,
      "location_summary": "Brea, California • Fort Collins, Colorado • Manchester, Connecticut + 6 more",
      "locations": [
        {
          "city": "Brea",
          "state": "California"
        },
        {
          "city": "Fort Collins",
          "state": "Colorado"
        },
        {
          "city": "Manchester",
          "state": "Connecticut"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Rock Rapids",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05087563"
    },
    {
      "nct_id": "NCT05070767",
      "title": "Neurolens Headache Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Binocular Vision Disorder",
        "Convergence Insufficiency",
        "Headache",
        "Computer Vision Syndrome"
      ],
      "interventions": [
        {
          "name": "Neurolens spectacle lens",
          "type": "DEVICE"
        },
        {
          "name": "Placebo spectacle lens",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Neurolens Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 300,
      "start_date": "2021-10-18",
      "completion_date": "2022-05-30",
      "has_results": false,
      "last_update_posted_date": "2023-10-12",
      "last_synced_at": "2026-09-21T07:32:54.562Z",
      "location_count": 10,
      "location_summary": "Phoenix, Arizona • Conyers, Georgia • Perry, Georgia + 7 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Conyers",
          "state": "Georgia"
        },
        {
          "city": "Perry",
          "state": "Georgia"
        },
        {
          "city": "Rigby",
          "state": "Idaho"
        },
        {
          "city": "Lincoln",
          "state": "Nebraska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05070767"
    },
    {
      "nct_id": "NCT00785135",
      "title": "Effects of Prismatic Spectacle Lenses on Symptoms of Dizziness, Headache and Anxiety as Caused by Vertical Heterophoria",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Binocular Dysfunction",
        "Vertical Heterophoria",
        "Vision, Binocular",
        "Vision Disparity"
      ],
      "interventions": [
        {
          "name": "Lenses containing prismatic correction",
          "type": "DEVICE"
        },
        {
          "name": "Lenses not containing prismatic correction",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Vision Specialists of Birmingham",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "14 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "14 Years and older"
      },
      "enrollment_count": 13,
      "start_date": "2008-11",
      "completion_date": "2015-11",
      "has_results": false,
      "last_update_posted_date": "2020-10-12",
      "last_synced_at": "2026-09-21T07:32:54.562Z",
      "location_count": 1,
      "location_summary": "Birmingham, Michigan",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00785135"
    },
    {
      "nct_id": "NCT05242510",
      "title": "Evaluation of Exotropia After Patching the Eye or After Prism Adaptation",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Exotropia"
      ],
      "interventions": [
        {
          "name": "Patching",
          "type": "PROCEDURE"
        },
        {
          "name": "Prism Adaptation",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of Rochester",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "Up to 17 Years"
      },
      "enrollment_count": 1,
      "start_date": "2024-08-27",
      "completion_date": "2024-09-18",
      "has_results": false,
      "last_update_posted_date": "2025-04-04",
      "last_synced_at": "2026-09-21T07:32:54.562Z",
      "location_count": 5,
      "location_summary": "Los Angeles, California • Boston, Massachusetts • Buffalo, New York + 2 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Buffalo",
          "state": "New York"
        },
        {
          "city": "Rochester",
          "state": "New York"
        },
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05242510"
    }
  ]
}