{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Vision+Impairment+and+Blindness&page=2",
    "query": {
      "condition": "Vision Impairment and Blindness",
      "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=Vision+Impairment+and+Blindness&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-06-26T22:54:57.950Z",
  "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": "NCT05176717",
      "title": "Study to Evaluate the Efficacy Safety and Tolerability of QR-421a in Subjects With RP Due to Mutations in Exon 13 of the USH2A Gene With Early to Moderate Vision Loss (Celeste)",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Retinitis Pigmentosa",
        "Usher Syndrome Type 2",
        "Deaf Blind",
        "Retinal Disease",
        "Eye Diseases",
        "Eye Diseases, Hereditary",
        "Eye Disorders Congenital",
        "Vision Disorders"
      ],
      "interventions": [
        {
          "name": "QR-421a",
          "type": "DRUG"
        },
        {
          "name": "Sham-procedure",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Laboratoires Thea",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 5,
      "start_date": "2021-12-15",
      "completion_date": "2022-08-02",
      "has_results": true,
      "last_update_posted_date": "2024-08-07",
      "last_synced_at": "2026-06-26T22:54:57.950Z",
      "location_count": 2,
      "location_summary": "Dallas, Texas • Madison, Wisconsin",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        },
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05176717"
    },
    {
      "nct_id": "NCT03011541",
      "title": "Stem Cell Ophthalmology Treatment Study II",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Retinal Disease",
        "Age-Related Macular Degeneration",
        "Retinitis Pigmentosa",
        "Stargardt Disease",
        "Optic Neuropathy",
        "Nonarteritic Ischemic Optic Neuropathy",
        "Optic Atrophy",
        "Optic Nerve Disease",
        "Glaucoma",
        "Leber Hereditary Optic Neuropathy",
        "Blindness",
        "Vision Loss Night",
        "Vision Loss Partial",
        "Vision, Low",
        "Retinopathy",
        "Maculopathy",
        "Macular Degeneration",
        "Retina Atrophy"
      ],
      "interventions": [
        {
          "name": "Arm 1",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "MD Stem Cells",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 500,
      "start_date": "2016-01",
      "completion_date": "2027-07-31",
      "has_results": false,
      "last_update_posted_date": "2025-03-20",
      "last_synced_at": "2026-06-26T22:54:57.950Z",
      "location_count": 2,
      "location_summary": "Westport, Connecticut • Coral Springs, Florida",
      "locations": [
        {
          "city": "Westport",
          "state": "Connecticut"
        },
        {
          "city": "Coral Springs",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03011541"
    },
    {
      "nct_id": "NCT00333879",
      "title": "Virtual Reality Mobility Training System for Veterans With Vision Loss",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Blindness"
      ],
      "interventions": [
        {
          "name": "Virtual Sound System",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "US Department of Veterans Affairs",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 4,
      "start_date": "2009-03",
      "completion_date": "2009-04",
      "has_results": true,
      "last_update_posted_date": "2013-12-16",
      "last_synced_at": "2026-06-26T22:54:57.950Z",
      "location_count": 1,
      "location_summary": "Decatur, Georgia",
      "locations": [
        {
          "city": "Decatur",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00333879"
    },
    {
      "nct_id": "NCT07134777",
      "title": "Mechanisms of Visual Restoration After Occipital Stroke",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cortical Blindness",
        "Stroke Ischemic",
        "Vision Loss Partial",
        "Visual Fields Hemianopsia",
        "Hemianopia",
        "Hemianopia Homonymous",
        "Occipital Lobe Infarct"
      ],
      "interventions": [
        {
          "name": "MRI",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "University of Rochester",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "21 Years to 80 Years"
      },
      "enrollment_count": 100,
      "start_date": "2025-10-17",
      "completion_date": "2029-08-01",
      "has_results": false,
      "last_update_posted_date": "2025-12-04",
      "last_synced_at": "2026-06-26T22:54:57.950Z",
      "location_count": 1,
      "location_summary": "Rochester, New York",
      "locations": [
        {
          "city": "Rochester",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07134777"
    },
    {
      "nct_id": "NCT01691027",
      "title": "Visuomotor Rehabilitation Training for Manual Task Deficits From Macular Scotomas",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Scotoma, Central",
        "Central Visual Impairment"
      ],
      "interventions": [
        {
          "name": "Visuo-motor training",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "55 Years",
        "maximum_age": "95 Years",
        "sex": "ALL",
        "summary": "55 Years to 95 Years"
      },
      "enrollment_count": 4,
      "start_date": "2013-07",
      "completion_date": "2015-12",
      "has_results": true,
      "last_update_posted_date": "2018-02-23",
      "last_synced_at": "2026-06-26T22:54:57.950Z",
      "location_count": 1,
      "location_summary": "Kansas City, Missouri",
      "locations": [
        {
          "city": "Kansas City",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01691027"
    },
    {
      "nct_id": "NCT00829036",
      "title": "Wayfinding Information Access System for People With Vision Loss",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Blindness"
      ],
      "interventions": [
        {
          "name": "Wayfinding Prototype",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "US Department of Veterans Affairs",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 24,
      "start_date": "2012-10",
      "completion_date": "2012-12",
      "has_results": true,
      "last_update_posted_date": "2014-04-02",
      "last_synced_at": "2026-06-26T22:54:57.950Z",
      "location_count": 1,
      "location_summary": "Decatur, Georgia",
      "locations": [
        {
          "city": "Decatur",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00829036"
    },
    {
      "nct_id": "NCT00333762",
      "title": "Use of \"Smart Wheelchairs\" to Provide Independent Mobility to Visual and Mobility Impairments",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Blindness",
        "Spinal Cord Injury"
      ],
      "interventions": [
        {
          "name": "Smart Power Assistance Module (SPAM)",
          "type": "DEVICE"
        },
        {
          "name": "Smart Wheelchair Component System (SWCS)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 4,
      "start_date": "2006-06",
      "completion_date": "2008-05",
      "has_results": true,
      "last_update_posted_date": "2015-12-03",
      "last_synced_at": "2026-06-26T22:54:57.950Z",
      "location_count": 2,
      "location_summary": "Decatur, Georgia • Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Decatur",
          "state": "Georgia"
        },
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00333762"
    },
    {
      "nct_id": "NCT04271709",
      "title": "Manhattan Vision Screening and Follow-Up Study (NYC-SIGHT)",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Glaucoma",
        "Vision Impairment and Blindness",
        "Cataract",
        "Diabetic Retinopathy",
        "Eye Diseases"
      ],
      "interventions": [
        {
          "name": "Enhanced Intervention Using Patient Navigators",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Usual Care",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "Columbia University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 749,
      "start_date": "2019-09-30",
      "completion_date": "2026-09-29",
      "has_results": false,
      "last_update_posted_date": "2025-10-15",
      "last_synced_at": "2026-06-26T22:54:57.950Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04271709"
    },
    {
      "nct_id": "NCT03640130",
      "title": "Peripheral Reading",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Central Visual Impairment"
      ],
      "interventions": [
        {
          "name": "Gaze-contingent text enhancement",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Houston",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 6,
      "start_date": "2018-11-01",
      "completion_date": "2019-03-01",
      "has_results": false,
      "last_update_posted_date": "2018-11-14",
      "last_synced_at": "2026-06-26T22:54:57.950Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03640130"
    },
    {
      "nct_id": "NCT03957980",
      "title": "Remote Access: Cortical Visual Impairment",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cortical Visual Impairment"
      ],
      "interventions": [
        {
          "name": "Occupational therapy",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Children's Hospital Medical Center, Cincinnati",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Months",
        "maximum_age": "83 Months",
        "sex": "ALL",
        "summary": "12 Months to 83 Months"
      },
      "enrollment_count": 21,
      "start_date": "2017-05-02",
      "completion_date": "2018-11-13",
      "has_results": false,
      "last_update_posted_date": "2019-05-21",
      "last_synced_at": "2026-06-26T22:54:57.950Z",
      "location_count": 1,
      "location_summary": "Cincinnati, Ohio",
      "locations": [
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03957980"
    }
  ]
}