{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Visual+Impairment",
    "query": {
      "condition": "Visual Impairment"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 187,
    "total_pages": 19,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Visual+Impairment&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-06-07T15:01:27.919Z",
  "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": "NCT04127838",
      "title": "Low Vision Occupational Therapy in Parkinson's Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Parkinson Disease"
      ],
      "interventions": [
        {
          "name": "Low Vision Occupational Therapy",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Alabama at Birmingham",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 33,
      "start_date": "2019-10-16",
      "completion_date": "2022-06-03",
      "has_results": false,
      "last_update_posted_date": "2022-06-07",
      "last_synced_at": "2026-06-07T15:01:27.919Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04127838"
    },
    {
      "nct_id": "NCT03122288",
      "title": "Individualized Cognitive Training in HIV",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "HIV-Associated Cognitive Motor Complex",
        "Aging",
        "Cognitive Impairment",
        "Cognitive Decline",
        "Attention Impaired",
        "Processing, Visual Spatial",
        "Cognitive Deficit in Attention",
        "Cognitive Disorder in Remission"
      ],
      "interventions": [
        {
          "name": "Individualized Cognitive Training",
          "type": "BEHAVIORAL"
        },
        {
          "name": "No-Contact Control",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "University of Alabama at Birmingham",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 109,
      "start_date": "2017-07-27",
      "completion_date": "2019-02-27",
      "has_results": false,
      "last_update_posted_date": "2021-10-19",
      "last_synced_at": "2026-06-07T15:01:27.919Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03122288"
    },
    {
      "nct_id": "NCT03174314",
      "title": "Feasibility and Efficacy of Assisstive Tactile and Auditory Communicating Devices",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Visual Impairment"
      ],
      "interventions": [
        {
          "name": "Standard object battery and training sequence",
          "type": "BEHAVIORAL"
        },
        {
          "name": "VIS4ION System",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DEVICE"
      ],
      "sponsor": "NYU Langone Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 120,
      "start_date": "2017-07-26",
      "completion_date": "2024-07-23",
      "has_results": false,
      "last_update_posted_date": "2025-05-30",
      "last_synced_at": "2026-06-07T15:01:27.919Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03174314"
    },
    {
      "nct_id": "NCT02652767",
      "title": "Efficacy Study of GS010 for the Treatment of Vision Loss up to 6 Months From Onset in LHON Due to the ND4 Mutation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Optic, Atrophy, Hereditary, Leber"
      ],
      "interventions": [
        {
          "name": "GS010",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Sham Intravitreal Injection",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DEVICE"
      ],
      "sponsor": "GenSight Biologics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "15 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "15 Years and older"
      },
      "enrollment_count": 39,
      "start_date": "2016-02-23",
      "completion_date": "2019-07-04",
      "has_results": true,
      "last_update_posted_date": "2026-03-02",
      "last_synced_at": "2026-06-07T15:01:27.919Z",
      "location_count": 3,
      "location_summary": "Los Angeles, California • Atlanta, Georgia • Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02652767"
    },
    {
      "nct_id": "NCT00348621",
      "title": "A Study of Interventions to Reduce Disability From Visual Loss in Nursing Home Residents",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Cataract",
        "Refractive Error",
        "Low Vision"
      ],
      "interventions": [
        {
          "name": "Visual impairment intervention program",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "65 Years and older"
      },
      "enrollment_count": 2544,
      "start_date": "1999-06",
      "completion_date": "2002-06",
      "has_results": false,
      "last_update_posted_date": "2017-10-06",
      "last_synced_at": "2026-06-07T15:01:27.919Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00348621"
    },
    {
      "nct_id": "NCT00921297",
      "title": "Cataract Removal and Alzheimer's Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cataracts",
        "Alzheimer's Disease"
      ],
      "interventions": [
        {
          "name": "Immediate Cataract Surgery",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University Hospitals Cleveland Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "50 Years to 90 Years"
      },
      "enrollment_count": 122,
      "start_date": "2009-06",
      "completion_date": "2017-03-30",
      "has_results": false,
      "last_update_posted_date": "2017-11-09",
      "last_synced_at": "2026-06-07T15:01:27.919Z",
      "location_count": 2,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00921297"
    },
    {
      "nct_id": "NCT03423654",
      "title": "Spatial Cognitive Training",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Blind"
      ],
      "interventions": [
        {
          "name": "Spatial Training",
          "type": "OTHER"
        },
        {
          "name": "Letter number matching",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 6,
      "start_date": "2018-03-30",
      "completion_date": "2019-06-30",
      "has_results": true,
      "last_update_posted_date": "2020-06-18",
      "last_synced_at": "2026-06-07T15:01:27.919Z",
      "location_count": 2,
      "location_summary": "Atlanta, Georgia • Decatur, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Decatur",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03423654"
    },
    {
      "nct_id": "NCT00958360",
      "title": "Low Vision Intervention Trial II (LOVIT II)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Central Vision Loss From Macular Diseases"
      ],
      "interventions": [
        {
          "name": "Interdisciplinary Low Vision Service",
          "type": "OTHER"
        },
        {
          "name": "Basic Low Vision Service",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 323,
      "start_date": "2010-08",
      "completion_date": "2015-09",
      "has_results": true,
      "last_update_posted_date": "2016-08-25",
      "last_synced_at": "2026-06-07T15:01:27.919Z",
      "location_count": 7,
      "location_summary": "Hines, Illinois • Baltimore, Maryland • Cincinnati, Ohio + 4 more",
      "locations": [
        {
          "city": "Hines",
          "state": "Illinois"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Cincinnati",
          "state": "Ohio"
        },
        {
          "city": "Dayton",
          "state": "Ohio"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00958360"
    },
    {
      "nct_id": "NCT02652780",
      "title": "Efficacy Study of GS010 for Treatment of Vision Loss From 7 Months to 1 Year From Onset in LHON Due to the ND4 Mutation (REVERSE)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Optic, Atrophy, Hereditary, Leber"
      ],
      "interventions": [
        {
          "name": "GS010",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Sham Intravitreal Injection",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DEVICE"
      ],
      "sponsor": "GenSight Biologics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "15 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "15 Years and older"
      },
      "enrollment_count": 37,
      "start_date": "2016-01",
      "completion_date": "2018-12",
      "has_results": true,
      "last_update_posted_date": "2026-03-02",
      "last_synced_at": "2026-06-07T15:01:27.919Z",
      "location_count": 3,
      "location_summary": "Los Angeles, California • Atlanta, Georgia • Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02652780"
    },
    {
      "nct_id": "NCT05647694",
      "title": "V-NAV Usability Study: End Users Trying the Vortant Indoor Navigation Tool",
      "overall_status": "SUSPENDED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Blindness and Low Vision"
      ],
      "interventions": [
        {
          "name": "V-NAV indoor navigation prototype",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Vortant Technologies, LLC",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 16,
      "start_date": "2025-01-01",
      "completion_date": "2025-04-30",
      "has_results": false,
      "last_update_posted_date": "2024-11-25",
      "last_synced_at": "2026-06-07T15:01:27.919Z",
      "location_count": 1,
      "location_summary": "Weaverville, North Carolina",
      "locations": [
        {
          "city": "Weaverville",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05647694"
    }
  ]
}