{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Vision%2C+Subnormal&page=3",
    "query": {
      "condition": "Vision, Subnormal",
      "page": 3
    },
    "page_size": 10
  },
  "pagination": {
    "page": 3,
    "page_size": 10,
    "total_count": 106,
    "total_pages": 11,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Vision%2C+Subnormal&page=4&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Vision%2C+Subnormal&page=2&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-21T07:40:28.138Z",
  "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": "NCT04359108",
      "title": "Environmental Localization Mapping and Guidance for Visual Prosthesis Users",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Retinitis Pigmentosa",
        "Visual Impairment",
        "Visual Prosthesis"
      ],
      "interventions": [
        {
          "name": "Navigation system mode: Argus Vision",
          "type": "DEVICE"
        },
        {
          "name": "Navigation system mode: Depth Vision",
          "type": "DEVICE"
        },
        {
          "name": "Navigation system mode: Depth Vision with Haptic / Audio",
          "type": "DEVICE"
        },
        {
          "name": "Navigation system mode: Haptic / Audio",
          "type": "DEVICE"
        },
        {
          "name": "Navigation system mode: High Field-of-View Depth Vision",
          "type": "DEVICE"
        },
        {
          "name": "Distance test vision mode: Low Resolution / Low Field-of-View",
          "type": "DEVICE"
        },
        {
          "name": "Distance test vision mode: Low Resolution / High Field-of-View",
          "type": "DEVICE"
        },
        {
          "name": "Distance test vision mode: High Resolution / Low Field-of-View",
          "type": "DEVICE"
        },
        {
          "name": "Distance test vision mode: High Resolution / High Field-of-View",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 26,
      "start_date": "2021-03-16",
      "completion_date": "2024-09-30",
      "has_results": true,
      "last_update_posted_date": "2025-03-10",
      "last_synced_at": "2026-10-21T07:40:28.138Z",
      "location_count": 2,
      "location_summary": "Baltimore, Maryland • Laurel, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Laurel",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04359108"
    },
    {
      "nct_id": "NCT03212222",
      "title": "Cell Phone Application for Vision Assessment",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Visual Impairment"
      ],
      "interventions": [
        {
          "name": "Peek Acuity",
          "type": "OTHER"
        },
        {
          "name": "Standard Visual Screening",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "3 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "3 Years to 18 Years"
      },
      "enrollment_count": 111,
      "start_date": "2017-08-25",
      "completion_date": "2017-12-15",
      "has_results": false,
      "last_update_posted_date": "2019-06-28",
      "last_synced_at": "2026-10-21T07:40:28.138Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03212222"
    },
    {
      "nct_id": "NCT03802630",
      "title": "Assessing the Efficacy and Safety of Brolucizumab Versus Aflibercept in Patients With Visual Impairment Due to Macular Edema Secondary to Branch Retinal Vein Occlusion",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Branch Retinal Vein Occlusion"
      ],
      "interventions": [
        {
          "name": "Brolucizumab 6 mg",
          "type": "DRUG"
        },
        {
          "name": "Aflibercept 2 mg",
          "type": "DRUG"
        },
        {
          "name": "Sham injection",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Novartis Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 450,
      "start_date": "2019-07-02",
      "completion_date": "2021-07-26",
      "has_results": true,
      "last_update_posted_date": "2023-01-30",
      "last_synced_at": "2026-10-21T07:40:28.138Z",
      "location_count": 26,
      "location_summary": "Phoenix, Arizona • Mountain View, California • Santa Barbara, California + 21 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Mountain View",
          "state": "California"
        },
        {
          "city": "Santa Barbara",
          "state": "California"
        },
        {
          "city": "Colorado Springs",
          "state": "Colorado"
        },
        {
          "city": "Pensacola",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03802630"
    },
    {
      "nct_id": "NCT07216924",
      "title": "Remapping Text in Sentence and Word Tasks to Aid Reading With Central Vision Loss",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Macular Degeneration",
        "Central Visual Impairment"
      ],
      "interventions": [
        {
          "name": "Personalised Remapping Training",
          "type": "BEHAVIORAL"
        },
        {
          "name": "RSVP personalized remappi",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Reading text in the wild with remapping",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Minnesota",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "16 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "16 Years and older"
      },
      "enrollment_count": 100,
      "start_date": "2027-06",
      "completion_date": "2032-05",
      "has_results": false,
      "last_update_posted_date": "2026-07-07",
      "last_synced_at": "2026-10-21T07:40:28.138Z",
      "location_count": 1,
      "location_summary": "Edina, Minnesota",
      "locations": [
        {
          "city": "Edina",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07216924"
    },
    {
      "nct_id": "NCT05439759",
      "title": "Factors in Learning And Plasticity: Healthy Vision",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Central Visual Impairment",
        "Macular Degeneration"
      ],
      "interventions": [
        {
          "name": "Condition 1: Training visual sensitivity",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Condition 2: Training spatial integration",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Condition 3: Training spatial attention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Condition 4: Combination training",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Alabama at Birmingham",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "30 Years",
        "sex": "ALL",
        "summary": "18 Years to 30 Years"
      },
      "enrollment_count": 120,
      "start_date": "2022-10-24",
      "completion_date": "2026-11",
      "has_results": false,
      "last_update_posted_date": "2026-02-09",
      "last_synced_at": "2026-10-21T07:40:28.138Z",
      "location_count": 2,
      "location_summary": "Birmingham, Alabama • Riverside, California",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Riverside",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05439759"
    },
    {
      "nct_id": "NCT06597292",
      "title": "The VIS Opti-K Low Vision Aid Device Provides Vision Improvement.",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hyperopia",
        "Presbyopia"
      ],
      "interventions": [
        {
          "name": "Vision improvement",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "VIS, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 200,
      "start_date": "2024-09-16",
      "completion_date": "2026-12-30",
      "has_results": false,
      "last_update_posted_date": "2024-09-25",
      "last_synced_at": "2026-10-21T07:40:28.138Z",
      "location_count": 1,
      "location_summary": "Austin, Texas",
      "locations": [
        {
          "city": "Austin",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06597292"
    },
    {
      "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": "2026-10-21T07:40:28.138Z",
      "location_count": 1,
      "location_summary": "Sylmar, California",
      "locations": [
        {
          "city": "Sylmar",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04312763"
    },
    {
      "nct_id": "NCT00475254",
      "title": "Stress and Vision Fluctuations in Retinitis Pigmentosa",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Retinitis Pigmentosa"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 50,
      "start_date": "2007-08",
      "completion_date": "2011-04",
      "has_results": false,
      "last_update_posted_date": "2011-04-06",
      "last_synced_at": "2026-10-21T07:40:28.138Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00475254"
    },
    {
      "nct_id": "NCT04974307",
      "title": "Optic-to-Audio Device in a Pediatric Cohort With CLN3-related Conditions or Low Vision",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "CLN3-related Disorders",
        "Non-CLN3 Related Low Vision"
      ],
      "interventions": [
        {
          "name": "OrCam MyEye 2",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "6 Years to 18 Years"
      },
      "enrollment_count": 11,
      "start_date": "2021-09-30",
      "completion_date": "2023-10-07",
      "has_results": true,
      "last_update_posted_date": "2024-10-23",
      "last_synced_at": "2026-10-21T07:40:28.138Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04974307"
    },
    {
      "nct_id": "NCT00338208",
      "title": "Adult Providing Access to the Visual Environment (PAVE) - Glaucoma Pilot",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Glaucoma"
      ],
      "interventions": [
        {
          "name": "Training in the Use of Low Vision Devices",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Vanderbilt University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 2,
      "start_date": "2003-10",
      "completion_date": "2011-12",
      "has_results": false,
      "last_update_posted_date": "2015-08-20",
      "last_synced_at": "2026-10-21T07:40:28.138Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00338208"
    }
  ]
}