{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Eyeglasses&page=2",
    "query": {
      "condition": "Eyeglasses",
      "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=Eyeglasses&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-07-22T21:58:11.000Z",
  "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": "NCT07490444",
      "title": "Metric-Optimized Spectacle Prescriptions for Children With Down Syndrome",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Refractive Error Correction",
        "Visual Acuity"
      ],
      "interventions": [
        {
          "name": "Metric-optimized spectacles",
          "type": "DEVICE"
        },
        {
          "name": "Routine Clinical Spectacles",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Ohio State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": "12 Years",
        "sex": "ALL",
        "summary": "5 Years to 12 Years"
      },
      "enrollment_count": 24,
      "start_date": "2026-07-13",
      "completion_date": "2028-05-01",
      "has_results": false,
      "last_update_posted_date": "2026-07-20",
      "last_synced_at": "2026-07-22T21:58:11.000Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07490444"
    },
    {
      "nct_id": "NCT01557595",
      "title": "Blue Wavelength Light-blocking Glasses in ADHD-Insomnia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Attention Deficit Hyperactivity Disorder",
        "Delayed Sleep Phase Type Circadian Rhythm Sleep Disorder"
      ],
      "interventions": [
        {
          "name": "Polarized glasses designed to filter out blue light",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Alabama at Birmingham",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "19 Years and older"
      },
      "enrollment_count": 22,
      "start_date": "2011-09",
      "completion_date": "2012-06",
      "has_results": true,
      "last_update_posted_date": "2017-12-13",
      "last_synced_at": "2026-07-22T21:58:11.000Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01557595"
    },
    {
      "nct_id": "NCT03073681",
      "title": "Satisfaction & Spectacle Independence With ReSTOR 2.5 & ReSTOR 3.0 IOLs",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cataract"
      ],
      "interventions": [
        {
          "name": "Survey",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "MDbackline, LLC",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "18 Years to 100 Years"
      },
      "enrollment_count": 100,
      "start_date": "2017-03-03",
      "completion_date": "2019-05-22",
      "has_results": false,
      "last_update_posted_date": "2019-06-05",
      "last_synced_at": "2026-07-22T21:58:11.000Z",
      "location_count": 1,
      "location_summary": "Laguna Hills, California",
      "locations": [
        {
          "city": "Laguna Hills",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03073681"
    },
    {
      "nct_id": "NCT01515475",
      "title": "Hyperopia Treatment Study 1 (HTS1) - Glasses vs Observation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hyperopia"
      ],
      "interventions": [
        {
          "name": "Glasses",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Jaeb Center for Health Research",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Months",
        "maximum_age": "71 Months",
        "sex": "ALL",
        "summary": "12 Months to 71 Months"
      },
      "enrollment_count": 249,
      "start_date": "2012-02-23",
      "completion_date": "2018-02",
      "has_results": true,
      "last_update_posted_date": "2019-07-16",
      "last_synced_at": "2026-07-22T21:58:11.000Z",
      "location_count": 2,
      "location_summary": "Columbus, Ohio • Salt Lake City, Utah",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        },
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01515475"
    },
    {
      "nct_id": "NCT00894192",
      "title": "Comprehensive Evaluation of Visual Function",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Visual Function"
      ],
      "interventions": [
        {
          "name": "Izon Wavefront-guided lenses",
          "type": "DEVICE"
        },
        {
          "name": "Conventional lenses",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "The Chicago Lighthouse",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "35 Years",
        "sex": "ALL",
        "summary": "18 Years to 35 Years"
      },
      "enrollment_count": 300,
      "start_date": "2009-02",
      "completion_date": "2009-12",
      "has_results": false,
      "last_update_posted_date": "2009-05-06",
      "last_synced_at": "2026-07-22T21:58:11.000Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00894192"
    },
    {
      "nct_id": "NCT05684224",
      "title": "Assessing Dynamic Reading Behaviors Using Eye-Tracking Tobii Glasses",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Accommodation"
      ],
      "interventions": [
        {
          "name": "Dynamic accommodation",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "State University of New York College of Optometry",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "30 Years",
        "sex": "ALL",
        "summary": "18 Years to 30 Years"
      },
      "enrollment_count": 10,
      "start_date": "2022-12-14",
      "completion_date": "2024-12-31",
      "has_results": false,
      "last_update_posted_date": "2024-03-22",
      "last_synced_at": "2026-07-22T21:58:11.000Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05684224"
    },
    {
      "nct_id": "NCT07668102",
      "title": "Visual Performance of Highly Aspherical Lenslet Spectacles in Children (Ancillary to WS10246)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Myopia"
      ],
      "interventions": [
        {
          "name": "HAL spectacle lens",
          "type": "DEVICE"
        },
        {
          "name": "Single Vision spectacle lens",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Essilor International",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": "12 Years",
        "sex": "ALL",
        "summary": "6 Years to 12 Years"
      },
      "enrollment_count": 88,
      "start_date": "2024-05-22",
      "completion_date": "2024-10-20",
      "has_results": false,
      "last_update_posted_date": "2026-06-25",
      "last_synced_at": "2026-07-22T21:58:11.000Z",
      "location_count": 7,
      "location_summary": "San Diego, California • Longwood, Florida • Chicago, Illinois + 4 more",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Longwood",
          "state": "Florida"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Pittsburg",
          "state": "Kansas"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07668102"
    },
    {
      "nct_id": "NCT06085430",
      "title": "Kubota Glass Parameter Refinement Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Myopia",
        "Myopia, Progressive",
        "Vision Disorders"
      ],
      "interventions": [
        {
          "name": "Kubota Glass",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Kubota Vision Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "8 Years",
        "maximum_age": "24 Years",
        "sex": "ALL",
        "summary": "8 Years to 24 Years"
      },
      "enrollment_count": 15,
      "start_date": "2023-11-01",
      "completion_date": "2024-09-30",
      "has_results": false,
      "last_update_posted_date": "2024-12-12",
      "last_synced_at": "2026-07-22T21:58:11.000Z",
      "location_count": 1,
      "location_summary": "Jacksonville, Florida",
      "locations": [
        {
          "city": "Jacksonville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06085430"
    },
    {
      "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": "2026-07-22T21:58:11.000Z",
      "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"
    },
    {
      "nct_id": "NCT04827147",
      "title": "Clinical Trial of Multi-Periscopic Prism Glasses for Hemianopia",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Homonymous Hemianopia"
      ],
      "interventions": [
        {
          "name": "Multi-Periscopic Prism (MPP) glasses",
          "type": "DEVICE"
        },
        {
          "name": "Fresnel Peripheral Prism (FPP) glasses",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Massachusetts Eye and Ear Infirmary",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "7 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "7 Years and older"
      },
      "enrollment_count": 64,
      "start_date": "2022-10-03",
      "completion_date": "2026-04-30",
      "has_results": true,
      "last_update_posted_date": "2026-03-13",
      "last_synced_at": "2026-07-22T21:58:11.000Z",
      "location_count": 8,
      "location_summary": "Birmingham, Alabama • Denver, Colorado • Palm Springs, Florida + 3 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Palm Springs",
          "state": "Florida"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04827147"
    }
  ]
}