{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Spectacle",
    "query": {
      "intervention": "Spectacle"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 258,
    "total_pages": 26,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Spectacle&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-05T16:37:52.185Z",
  "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": "NCT03367793",
      "title": "Spectacles for Patients With Down Syndrome",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Vision, Low"
      ],
      "interventions": [
        {
          "name": "Spectacles - Clinically Derived",
          "type": "DEVICE"
        },
        {
          "name": "Spectacles - Metric Technique #1 Derived",
          "type": "DEVICE"
        },
        {
          "name": "Spectacles - Metric Technique #2 Derived",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Houston",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 30,
      "start_date": "2018-01-26",
      "completion_date": "2019-12-05",
      "has_results": true,
      "last_update_posted_date": "2021-10-25",
      "last_synced_at": "2026-09-05T16:37:52.185Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03367793"
    },
    {
      "nct_id": "NCT07391852",
      "title": "Circadian Light Exposure Adjustment for Restfulness",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sleep Onset Latency"
      ],
      "interventions": [
        {
          "name": "Amber Tinted Glasses",
          "type": "DEVICE"
        },
        {
          "name": "Clear Glasses",
          "type": "DEVICE"
        },
        {
          "name": "Smart Lightbulbs",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Arizona",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "60 Months",
        "maximum_age": "83 Months",
        "sex": "ALL",
        "summary": "60 Months to 83 Months"
      },
      "enrollment_count": 60,
      "start_date": "2026-01-15",
      "completion_date": "2030-07-31",
      "has_results": false,
      "last_update_posted_date": "2026-02-06",
      "last_synced_at": "2026-09-05T16:37:52.185Z",
      "location_count": 1,
      "location_summary": "Tucson, Arizona",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07391852"
    },
    {
      "nct_id": "NCT00317525",
      "title": "Effects of Different Add Powers on the Comfort and Productivity of Computer Users With Fixed or Free Head Movement",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Refractive Errors",
        "Asthenopia"
      ],
      "interventions": [
        {
          "name": "Spectacle Lenses",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "American Optometric Association",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 36,
      "start_date": "2005-05",
      "completion_date": "2006-06",
      "has_results": false,
      "last_update_posted_date": "2006-09-11",
      "last_synced_at": "2026-09-05T16:37:52.185Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00317525"
    },
    {
      "nct_id": "NCT06676488",
      "title": "A Randomized Crossover Trial of Bright Light Therapy in Irritable Bowel Syndrome",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Irritable Bowel Syndrome (IBS)",
        "Circadian Misalignment"
      ],
      "interventions": [
        {
          "name": "Re-Timer glasses",
          "type": "DEVICE"
        },
        {
          "name": "Placebo Device",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Medical University of South Carolina",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 5,
      "start_date": "2025-06-11",
      "completion_date": "2026-03-31",
      "has_results": false,
      "last_update_posted_date": "2026-04-07",
      "last_synced_at": "2026-09-05T16:37:52.185Z",
      "location_count": 1,
      "location_summary": "Charleston, South Carolina",
      "locations": [
        {
          "city": "Charleston",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06676488"
    },
    {
      "nct_id": "NCT04086524",
      "title": "A Patch Free Treatment for Young Children With Amblyopia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Amblyopia",
        "Binocular Vision Disorder"
      ],
      "interventions": [
        {
          "name": "Binocular cartoon treatment at home",
          "type": "OTHER"
        },
        {
          "name": "Patching",
          "type": "OTHER"
        },
        {
          "name": "Binocular cartoon treatment in office",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Waterloo",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "36 Months",
        "maximum_age": "83 Months",
        "sex": "ALL",
        "summary": "36 Months to 83 Months"
      },
      "enrollment_count": 34,
      "start_date": "2020-01-13",
      "completion_date": "2023-11-30",
      "has_results": false,
      "last_update_posted_date": "2024-03-12",
      "last_synced_at": "2026-09-05T16:37:52.185Z",
      "location_count": 1,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04086524"
    },
    {
      "nct_id": "NCT06227039",
      "title": "Patient Augmented Reality and Vibratory Array Otorhinolaryngology Procedures",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pain, Acute",
        "Vocal Fold Polyp",
        "Vocal Cord Paralysis",
        "Laryngeal Neoplasms"
      ],
      "interventions": [
        {
          "name": "Vibroacoustic stimulation on",
          "type": "OTHER"
        },
        {
          "name": "Augmented Reality on",
          "type": "OTHER"
        },
        {
          "name": "Vibroacoustic stimulation off",
          "type": "OTHER"
        },
        {
          "name": "Augmented reality off",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Virginia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 80,
      "start_date": "2022-10-01",
      "completion_date": "2024-12-31",
      "has_results": false,
      "last_update_posted_date": "2024-01-26",
      "last_synced_at": "2026-09-05T16:37:52.185Z",
      "location_count": 1,
      "location_summary": "Charlottesville, Virginia",
      "locations": [
        {
          "city": "Charlottesville",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06227039"
    },
    {
      "nct_id": "NCT01234207",
      "title": "Clinical Assessment of a Customized Free-form Progressive Addition Lens Spectacle",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Presbyopia"
      ],
      "interventions": [
        {
          "name": "Standard, non-free-form, non-customized PAL spectacles",
          "type": "DEVICE"
        },
        {
          "name": "Individually customized free-form surfaced PAL spectacles",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of California, Berkeley",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "39 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "39 Years to 80 Years"
      },
      "enrollment_count": 95,
      "start_date": "2009-02",
      "completion_date": "2009-10",
      "has_results": true,
      "last_update_posted_date": "2017-04-18",
      "last_synced_at": "2026-09-05T16:37:52.185Z",
      "location_count": 1,
      "location_summary": "Berkeley, California",
      "locations": [
        {
          "city": "Berkeley",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01234207"
    },
    {
      "nct_id": "NCT07346014",
      "title": "Sleep and Circadian Interventions for College Students at High Risk of Suicide",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sleep Disturbance",
        "Sleep",
        "Depression",
        "Suicide"
      ],
      "interventions": [
        {
          "name": "Sleep Feedback + Psychoeducation",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Transdiagnostic Sleep and Circadian Intervention + Bright Light (TSC+)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Triple Chronotherapy (TCT+)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Pittsburgh",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "25 Years",
        "sex": "ALL",
        "summary": "18 Years to 25 Years"
      },
      "enrollment_count": 90,
      "start_date": "2026-06-18",
      "completion_date": "2029-03",
      "has_results": false,
      "last_update_posted_date": "2026-07-07",
      "last_synced_at": "2026-09-05T16:37:52.185Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07346014"
    },
    {
      "nct_id": "NCT05464732",
      "title": "Vivity IOL: Emmetropia Compared to Monovision.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Presbyopia"
      ],
      "interventions": [
        {
          "name": "Vivity IOL emmetropia",
          "type": "DEVICE"
        },
        {
          "name": "Vivity IOL monovision",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Carolina Eyecare Physicians, LLC",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 33,
      "start_date": "2020-09-03",
      "completion_date": "2022-08-30",
      "has_results": true,
      "last_update_posted_date": "2025-03-24",
      "last_synced_at": "2026-09-05T16:37:52.185Z",
      "location_count": 1,
      "location_summary": "Mt. Pleasant, South Carolina",
      "locations": [
        {
          "city": "Mt. Pleasant",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05464732"
    },
    {
      "nct_id": "NCT00525174",
      "title": "Full-time Bangerter Filters Versus Part-time Daily Patching for Moderate Amblyopia in Children",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Amblyopia"
      ],
      "interventions": [
        {
          "name": "Bangerter filters",
          "type": "DEVICE"
        },
        {
          "name": "Patching",
          "type": "DEVICE"
        },
        {
          "name": "Near activities",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "PROCEDURE"
      ],
      "sponsor": "Jaeb Center for Health Research",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "3 Years",
        "maximum_age": "9 Years",
        "sex": "ALL",
        "summary": "3 Years to 9 Years"
      },
      "enrollment_count": 186,
      "start_date": "2007-11",
      "completion_date": "2009-01",
      "has_results": true,
      "last_update_posted_date": "2016-07-13",
      "last_synced_at": "2026-09-05T16:37:52.185Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00525174"
    }
  ]
}