{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Spectacle+correction",
    "query": {
      "intervention": "Spectacle correction"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 32,
    "total_pages": 4,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Spectacle+correction&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-05T13:07:51.922Z",
  "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": "2026-09-05T13:07:51.922Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03367793"
    },
    {
      "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": "2026-09-05T13:07:51.922Z",
      "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": "NCT03608150",
      "title": "Luminopia One Amblyopia Vision Improvement Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Amblyopia"
      ],
      "interventions": [
        {
          "name": "Luminopia One",
          "type": "DEVICE"
        },
        {
          "name": "Refractive Correction",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Luminopia",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "4 Years",
        "maximum_age": "7 Years",
        "sex": "ALL",
        "summary": "4 Years to 7 Years"
      },
      "enrollment_count": 117,
      "start_date": "2019-01-16",
      "completion_date": "2020-07-31",
      "has_results": true,
      "last_update_posted_date": "2024-03-20",
      "last_synced_at": "2026-09-05T13:07:51.922Z",
      "location_count": 22,
      "location_summary": "Los Angeles, California • Gainesville, Florida • Maitland, Florida + 17 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Maitland",
          "state": "Florida"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Bloomington",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03608150"
    },
    {
      "nct_id": "NCT06524882",
      "title": "Dichoptic Treatment for Amblyopia in Children 8 to 12 Years of Age",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Amblyopia"
      ],
      "interventions": [
        {
          "name": "Vivid Vision",
          "type": "DEVICE"
        },
        {
          "name": "Luminopia",
          "type": "DEVICE"
        },
        {
          "name": "Optical Correction",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Jaeb Center for Health Research",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "8 Years",
        "maximum_age": "12 Years",
        "sex": "ALL",
        "summary": "8 Years to 12 Years"
      },
      "enrollment_count": 252,
      "start_date": "2024-10-22",
      "completion_date": "2027-11-01",
      "has_results": false,
      "last_update_posted_date": "2026-02-11",
      "last_synced_at": "2026-09-05T13:07:51.922Z",
      "location_count": 58,
      "location_summary": "Birmingham, Alabama • Glendale, Arizona • Scottsdale, Arizona + 46 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Glendale",
          "state": "Arizona"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06524882"
    },
    {
      "nct_id": "NCT05491746",
      "title": "Diabetic Retinopathy Tethered Augmented Reality With Eye4 Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Diabetic Retinopathy",
        "Low Vision"
      ],
      "interventions": [
        {
          "name": "Eye4",
          "type": "DEVICE"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "Eyedaptic",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 20,
      "start_date": "2022-07-01",
      "completion_date": "2022-10-01",
      "has_results": false,
      "last_update_posted_date": "2023-02-15",
      "last_synced_at": "2026-09-05T13:07:51.922Z",
      "location_count": 1,
      "location_summary": "Laguna Hills, California",
      "locations": [
        {
          "city": "Laguna Hills",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05491746"
    },
    {
      "nct_id": "NCT03780205",
      "title": "Bilateral and Unilateral Amblyopia Treatment Study",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Amblyopia"
      ],
      "interventions": [
        {
          "name": "Prescription glasses for bilateral amblyopia",
          "type": "OTHER"
        },
        {
          "name": "Prescription glasses for unilateral amblyopia",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Salus University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "3 Years",
        "maximum_age": "10 Years",
        "sex": "ALL",
        "summary": "3 Years to 10 Years"
      },
      "enrollment_count": 1,
      "start_date": "2019-03-20",
      "completion_date": "2020-07-07",
      "has_results": false,
      "last_update_posted_date": "2020-08-31",
      "last_synced_at": "2026-09-05T13:07:51.922Z",
      "location_count": 1,
      "location_summary": "Elkins Park, Pennsylvania",
      "locations": [
        {
          "city": "Elkins Park",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03780205"
    },
    {
      "nct_id": "NCT00574717",
      "title": "Enhancement of Emmetropization in Hyperopic Infants",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Hyperopia",
        "Hypermetropia",
        "Farsightedness"
      ],
      "interventions": [
        {
          "name": "Spectacles",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Ohio State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "8 Weeks",
        "maximum_age": "20 Weeks",
        "sex": "ALL",
        "summary": "8 Weeks to 20 Weeks"
      },
      "enrollment_count": 6,
      "start_date": "2007-12",
      "completion_date": "2010-09",
      "has_results": false,
      "last_update_posted_date": "2012-10-19",
      "last_synced_at": "2026-09-05T13:07:51.922Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00574717"
    },
    {
      "nct_id": "NCT04807361",
      "title": "Assessment of Accommodation Behavior in Children Under Myopia Control Treatment (Pilot Study)",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Accomodation",
        "Biofeedback Training",
        "Myopia"
      ],
      "interventions": [
        {
          "name": "Auditory biofeedback traing",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "State University of New York College of Optometry",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "8 Years",
        "maximum_age": "15 Years",
        "sex": "ALL",
        "summary": "8 Years to 15 Years"
      },
      "enrollment_count": 44,
      "start_date": "2020-12-01",
      "completion_date": "2022-12-12",
      "has_results": false,
      "last_update_posted_date": "2023-01-04",
      "last_synced_at": "2026-09-05T13:07:51.922Z",
      "location_count": 1,
      "location_summary": "Long Beach, New York",
      "locations": [
        {
          "city": "Long Beach",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04807361"
    },
    {
      "nct_id": "NCT02983552",
      "title": "Binocular Dig Rush Game Treatment for Amblyopia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Amblyopia"
      ],
      "interventions": [
        {
          "name": "iPad®",
          "type": "OTHER"
        },
        {
          "name": "Spectacle correction",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Jaeb Center for Health Research",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "4 Years",
        "maximum_age": "12 Years",
        "sex": "ALL",
        "summary": "4 Years to 12 Years"
      },
      "enrollment_count": 320,
      "start_date": "2017-03-02",
      "completion_date": "2020-07-10",
      "has_results": true,
      "last_update_posted_date": "2026-07-09",
      "last_synced_at": "2026-09-05T13:07:51.922Z",
      "location_count": 61,
      "location_summary": "Birmingham, Alabama • Glendale, Arizona • Anaheim, California + 49 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Glendale",
          "state": "Arizona"
        },
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "Loma Linda",
          "state": "California"
        },
        {
          "city": "Mission Viejo",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02983552"
    },
    {
      "nct_id": "NCT05174780",
      "title": "Myopia Control With a Innovative Spectacle Lens",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Myopia"
      ],
      "interventions": [
        {
          "name": "innovative myopia control spectacle lens",
          "type": "DEVICE"
        },
        {
          "name": "Single vision spectacle lens",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Essilor International",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": "12 Years",
        "sex": "ALL",
        "summary": "6 Years to 12 Years"
      },
      "enrollment_count": 159,
      "start_date": "2021-12-29",
      "completion_date": "2025-10-20",
      "has_results": false,
      "last_update_posted_date": "2025-12-22",
      "last_synced_at": "2026-09-05T13:07:51.922Z",
      "location_count": 9,
      "location_summary": "San Diego, California • Longwood, Florida • Chicago, Illinois + 6 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/NCT05174780"
    }
  ]
}