{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Visual+Function&page=12",
    "query": {
      "condition": "Visual Function",
      "page": 12
    },
    "page_size": 10
  },
  "pagination": {
    "page": 12,
    "page_size": 10,
    "total_count": 2373,
    "total_pages": 238,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Visual+Function&page=13&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Visual+Function&page=11&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-21T22:19:57.261Z",
  "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": "NCT00006152",
      "title": "A Study to See If Taking One or Two Extra Drugs Can Lower HIV Levels in Patients Who Have Failed Their Anti-HIV Drug Treatment",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "Ritonavir",
          "type": "DRUG"
        },
        {
          "name": "Abacavir sulfate",
          "type": "DRUG"
        },
        {
          "name": "Amprenavir",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "13 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "13 Years and older"
      },
      "enrollment_count": 42,
      "start_date": null,
      "completion_date": "2002-08",
      "has_results": false,
      "last_update_posted_date": "2021-11-01",
      "last_synced_at": "2026-10-21T22:19:57.261Z",
      "location_count": 13,
      "location_summary": "Birmingham, Alabama • Los Angeles, California • San Diego, California + 9 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00006152"
    },
    {
      "nct_id": "NCT03046485",
      "title": "Use of Self-management Group to Improve Quality of Life in Patients With Low Vision",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Age Related Macular Degeneration"
      ],
      "interventions": [
        {
          "name": "Self management program 'Living with Vision Loss'",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Massachusetts Eye and Ear Infirmary",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "55 Years",
        "maximum_age": "95 Years",
        "sex": "ALL",
        "summary": "55 Years to 95 Years"
      },
      "enrollment_count": 0,
      "start_date": "2007-05",
      "completion_date": "2016-12",
      "has_results": false,
      "last_update_posted_date": "2017-02-08",
      "last_synced_at": "2026-10-21T22:19:57.261Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03046485"
    },
    {
      "nct_id": "NCT01942564",
      "title": "The Head Injury-associated Photosensitivity and Pupillary Function (HIPP) Study",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Head Injury",
        "Traumatic Brain Injury (TBI)",
        "Photosensitivity",
        "Photophobia"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Ohio State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 40,
      "start_date": "2013-08",
      "completion_date": "2015-12",
      "has_results": false,
      "last_update_posted_date": "2017-09-25",
      "last_synced_at": "2026-10-21T22:19:57.261Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01942564"
    },
    {
      "nct_id": "NCT02199964",
      "title": "The Effects of Cyclosporin A in a Low Humidity Environment, on the Ocular Surface",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Dry Eye"
      ],
      "interventions": [
        {
          "name": "Cyclosporin 0.05% emulsion",
          "type": "DRUG"
        },
        {
          "name": "Endura, Refresh artificial tears",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Baylor College of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 4,
      "start_date": "2014-03",
      "completion_date": "2015-12",
      "has_results": true,
      "last_update_posted_date": "2020-02-20",
      "last_synced_at": "2026-10-21T22:19:57.261Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02199964"
    },
    {
      "nct_id": "NCT03761992",
      "title": "Measurement of the Effect of Gingko Biloba Extract on Ocular and Nailfold Blood-flow in NTG",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Normal Tension Glaucoma"
      ],
      "interventions": [
        {
          "name": "Gingko Baloba",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "sponsor": "Robert Ritch, MD, LLC.",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 40,
      "start_date": "2018-11-19",
      "completion_date": "2020-12",
      "has_results": false,
      "last_update_posted_date": "2020-03-17",
      "last_synced_at": "2026-10-21T22:19:57.261Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03761992"
    },
    {
      "nct_id": "NCT02526706",
      "title": "Using a Type of Blue Dye to Observe Bleb Function During Cataract Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Glaucoma"
      ],
      "interventions": [
        {
          "name": "VisionBlue",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Wills Eye",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 15,
      "start_date": "2015-08",
      "completion_date": "2016-10",
      "has_results": false,
      "last_update_posted_date": "2016-11-22",
      "last_synced_at": "2026-10-21T22:19:57.261Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02526706"
    },
    {
      "nct_id": "NCT01648452",
      "title": "CNTF Implants for CNGB3 Achromatopsia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Eye Disease",
        "Achromatopsia"
      ],
      "interventions": [
        {
          "name": "NT-501 CNTF-releasing implant",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "National Eye Institute (NEI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 5,
      "start_date": "2012-07",
      "completion_date": "2015-10",
      "has_results": true,
      "last_update_posted_date": "2016-11-21",
      "last_synced_at": "2026-10-21T22:19:57.261Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01648452"
    },
    {
      "nct_id": "NCT01429116",
      "title": "Tasimelteon for the Treatment of Non-24-hour Sleep-Wake Disorder (N24HSWD) in Blind Individuals With no Light Perception",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Non-24-Hour Sleep-Wake Disorder"
      ],
      "interventions": [
        {
          "name": "tasimelteon",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Vanda Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 200,
      "start_date": "2011-10",
      "completion_date": "2015-01",
      "has_results": false,
      "last_update_posted_date": "2015-04-21",
      "last_synced_at": "2026-10-21T22:19:57.261Z",
      "location_count": 22,
      "location_summary": "Phoenix, Arizona • Orange, California • Palo Alto, California + 19 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Orange",
          "state": "California"
        },
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "Santa Monica",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01429116"
    },
    {
      "nct_id": "NCT01170884",
      "title": "Comparing Safety and Efficacy of Combigan® and Lumigan® With Lumigan® Alone in Glaucoma or Ocular Hypertension Subjects Treated With Xalatan®",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Glaucoma",
        "Ocular Hypertension"
      ],
      "interventions": [
        {
          "name": "fixed combination of brimonidine tartrate 0.2% timolol maleate 0.5% ophthalmic solution; bimatoprost 0.03% ophthalmic solution",
          "type": "DRUG"
        },
        {
          "name": "bimatoprost 0.03% ophthalmic solution; hypromellose 0.2% eyedrops",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Allergan",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 121,
      "start_date": "2009-12",
      "completion_date": "2010-09",
      "has_results": true,
      "last_update_posted_date": "2019-04-24",
      "last_synced_at": "2026-10-21T22:19:57.261Z",
      "location_count": 1,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01170884"
    },
    {
      "nct_id": "NCT04493658",
      "title": "Differential Diagnosis of Sjögren's Versus Non-Sjögren's Dry Eye",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Keratoconjunctivitis Sicca",
        "Dry Eye Syndromes",
        "Ocular Surface Disease",
        "Sjogren's Syndrome"
      ],
      "interventions": [
        {
          "name": "Questionnaires",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Tear fluid sampling",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Impression Cytology",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "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": 92,
      "start_date": "2021-01-11",
      "completion_date": "2022-10-03",
      "has_results": false,
      "last_update_posted_date": "2023-01-05",
      "last_synced_at": "2026-10-21T22:19:57.261Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04493658"
    }
  ]
}