{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Blindness+and+Low+Vision",
    "query": {
      "condition": "Blindness and Low Vision"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 45,
    "total_pages": 5,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Blindness+and+Low+Vision&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-07-21T23:30:26.736Z",
  "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": "NCT04312763",
      "title": "A Validation of the Functional Low-Vision Observer Rated Assessment (FLORA-20) for Profoundly Blind Individuals",
      "overall_status": "SUSPENDED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Blindness, Acquired"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Second Sight Medical Products",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "22 Years",
        "maximum_age": "74 Years",
        "sex": "ALL",
        "summary": "22 Years to 74 Years"
      },
      "enrollment_count": 3,
      "start_date": "2020-03-06",
      "completion_date": "2025-02-20",
      "has_results": false,
      "last_update_posted_date": "2023-11-22",
      "last_synced_at": "2026-07-21T23:30:26.736Z",
      "location_count": 1,
      "location_summary": "Sylmar, California",
      "locations": [
        {
          "city": "Sylmar",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04312763"
    },
    {
      "nct_id": "NCT07218991",
      "title": "Wearable Echolocation Aids Using Parametric Sound",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Low Vision"
      ],
      "interventions": [
        {
          "name": "Wearable Echolocation Device",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "The University of Texas Medical Branch, Galveston",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "18 Years to 100 Years"
      },
      "enrollment_count": 50,
      "start_date": "2025-02-21",
      "completion_date": "2028-01-31",
      "has_results": false,
      "last_update_posted_date": "2025-10-28",
      "last_synced_at": "2026-07-21T23:30:26.736Z",
      "location_count": 1,
      "location_summary": "Galveston, Texas",
      "locations": [
        {
          "city": "Galveston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07218991"
    },
    {
      "nct_id": "NCT06578117",
      "title": "Statistical Learning as a Novel Intervention for Cortical Blindness",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Stroke, Ischemic",
        "Hemianopia, Homonymous",
        "Hemianopsia",
        "Occipital Lobe Infarct",
        "Visual Field Defect, Peripheral",
        "Vision Loss Partial",
        "Quadrantanopia",
        "Stroke Hemorrhagic"
      ],
      "interventions": [
        {
          "name": "Vision Training and Learning Task",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Rochester",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "21 Years to 75 Years"
      },
      "enrollment_count": 30,
      "start_date": "2024-11-06",
      "completion_date": "2027-10-01",
      "has_results": false,
      "last_update_posted_date": "2026-01-30",
      "last_synced_at": "2026-07-21T23:30:26.736Z",
      "location_count": 1,
      "location_summary": "Rochester, New York",
      "locations": [
        {
          "city": "Rochester",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06578117"
    },
    {
      "nct_id": "NCT00262509",
      "title": "Emergency Egress and Information System for Persons With Vision Loss",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Blindness"
      ],
      "interventions": [
        {
          "name": "Egress Badge",
          "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": 17,
      "start_date": "2008-09",
      "completion_date": "2009-04",
      "has_results": true,
      "last_update_posted_date": "2014-02-11",
      "last_synced_at": "2026-07-21T23:30:26.736Z",
      "location_count": 1,
      "location_summary": "Decatur, Georgia",
      "locations": [
        {
          "city": "Decatur",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00262509"
    },
    {
      "nct_id": "NCT01203436",
      "title": "Supplemental Therapeutic Oxygen for Prethreshold Retinopathy of Prematurity",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Infant, Newborn",
        "Infant, Low Birth Weight",
        "Infant, Small for Gestational Age",
        "Infant, Premature",
        "Retinopathy of Prematurity",
        "Blindness"
      ],
      "interventions": [
        {
          "name": "Supplemental Oxygen Management",
          "type": "PROCEDURE"
        },
        {
          "name": "Conventional Oxygen Management",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "NICHD Neonatal Research Network",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "48 Hours",
        "sex": "ALL",
        "summary": "Up to 48 Hours"
      },
      "enrollment_count": 649,
      "start_date": "1994-02",
      "completion_date": "1999-03",
      "has_results": false,
      "last_update_posted_date": "2015-06-08",
      "last_synced_at": "2026-07-21T23:30:26.736Z",
      "location_count": 9,
      "location_summary": "Palo Alto, California • New Haven, Connecticut • Atlanta, Georgia + 6 more",
      "locations": [
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "New Haven",
          "state": "Connecticut"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "Detroit",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01203436"
    },
    {
      "nct_id": "NCT03350919",
      "title": "Visual Restoration for Hemianopia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Stroke Induced Vision Loss",
        "Hemianopia",
        "Quadrantanopia"
      ],
      "interventions": [
        {
          "name": "Training in the blind field",
          "type": "DEVICE"
        },
        {
          "name": "Training in the intact field",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Rochester",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "21 Years to 75 Years"
      },
      "enrollment_count": 48,
      "start_date": "2018-03-15",
      "completion_date": "2019-12-03",
      "has_results": true,
      "last_update_posted_date": "2020-12-24",
      "last_synced_at": "2026-07-21T23:30:26.736Z",
      "location_count": 3,
      "location_summary": "Miami, Florida • Rochester, New York • Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Rochester",
          "state": "New York"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03350919"
    },
    {
      "nct_id": "NCT05098236",
      "title": "Effect of Visual Retraining on Visual Loss Following Visual Cortical Damage",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Vision Loss Partial",
        "Hemianopia",
        "Hemianopia Homonymous",
        "Quadrantanopia",
        "Stroke, Ischemic"
      ],
      "interventions": [
        {
          "name": "Training in the Blind Field",
          "type": "OTHER"
        },
        {
          "name": "Training in the Sighted Field",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Rochester",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "17 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "17 Years to 75 Years"
      },
      "enrollment_count": 280,
      "start_date": "2003-09-26",
      "completion_date": "2024-06-04",
      "has_results": false,
      "last_update_posted_date": "2024-11-13",
      "last_synced_at": "2026-07-21T23:30:26.736Z",
      "location_count": 1,
      "location_summary": "Rochester, New York",
      "locations": [
        {
          "city": "Rochester",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05098236"
    },
    {
      "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": "2026-07-21T23:30:26.736Z",
      "location_count": 1,
      "location_summary": "Decatur, Georgia",
      "locations": [
        {
          "city": "Decatur",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00333879"
    },
    {
      "nct_id": "NCT00494676",
      "title": "Clinical Trial of Peripheral Prism Glasses for Hemianopia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Homonymous Hemianopia"
      ],
      "interventions": [
        {
          "name": "High power (57 prism diopter) peripheral prism glasses",
          "type": "DEVICE"
        },
        {
          "name": "Low power sham peripheral prism glasses",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Alexandra Bowers",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 73,
      "start_date": "2007-09",
      "completion_date": "2010-04",
      "has_results": true,
      "last_update_posted_date": "2017-04-04",
      "last_synced_at": "2026-07-21T23:30:26.736Z",
      "location_count": 12,
      "location_summary": "Birmingham, Alabama • Palo Alto, California • Jupiter, Florida + 9 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "Jupiter",
          "state": "Florida"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00494676"
    },
    {
      "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": "2026-07-21T23:30:26.736Z",
      "location_count": 1,
      "location_summary": "Cincinnati, Ohio",
      "locations": [
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03957980"
    }
  ]
}