{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Visual+Function&page=90",
    "query": {
      "condition": "Visual Function",
      "page": 90
    },
    "page_size": 10
  },
  "pagination": {
    "page": 90,
    "page_size": 10,
    "total_count": 2377,
    "total_pages": 238,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Visual+Function&page=91&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Visual+Function&page=89&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-24T20:46:21.477Z",
  "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": "NCT03059420",
      "title": "Genetic Studies of Strabismus, Congenital Cranial Dysinnervation Disorders (CCDDs), and Their Associated Anomalies",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Congenital Fibrosis of Extraocular Muscles",
        "Duane Retraction Syndrome",
        "Duane Radial Ray Syndrome",
        "Mobius Syndrome",
        "Brown Syndrome",
        "Marcus Gunn Syndrome",
        "Strabismus Congenital",
        "Horizontal Gaze Palsy",
        "Horizontal Gaze Palsy With Progressive Scoliosis",
        "Facial Palsy",
        "Facial Paresis, Hereditary, Congenital",
        "Third Nerve Palsy",
        "Fourth Nerve Palsy",
        "Sixth Nerve Palsy",
        "Synkinesis",
        "Ocular Motility Disorders",
        "Levator-Medial Rectus Synkinesis",
        "Athabaskan Brainstem Dysgenesis",
        "Tongue Paralysis",
        "Ninth Nerve Disorder",
        "Fifth Nerve Palsy",
        "Seventh Nerve Palsy",
        "Eleventh Nerve Disorder",
        "Twelfth Nerve Disorder",
        "Vagus Nerve Paralysis",
        "Moebius Sequence"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Boston Children's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "1 Day",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "1 Day and older"
      },
      "enrollment_count": 20000,
      "start_date": "2004-02-01",
      "completion_date": "2030-01",
      "has_results": false,
      "last_update_posted_date": "2026-02-11",
      "last_synced_at": "2026-10-24T20:46:21.477Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03059420"
    },
    {
      "nct_id": "NCT06349759",
      "title": "Safety and Efficacy of 0.75% Phentolamine Ophthalmic Solution in Subjects With Post-refractive Surgery Visual Disturbances",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Mesopic Vision",
        "Night Vision Loss"
      ],
      "interventions": [
        {
          "name": "phentolamine ophthalmic solution 0.75%, a non-selective alpha-1 and alpha-2 adrenergic antagonist",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Opus Genetics, Inc",
      "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": "2024-04-01",
      "completion_date": "2026-02-19",
      "has_results": true,
      "last_update_posted_date": "2026-08-18",
      "last_synced_at": "2026-10-24T20:46:21.477Z",
      "location_count": 25,
      "location_summary": "Pheonix, Arizona • Scottsdale, Arizona • Bakersfield, California + 20 more",
      "locations": [
        {
          "city": "Pheonix",
          "state": "Arizona"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Bakersfield",
          "state": "California"
        },
        {
          "city": "Glendale",
          "state": "California"
        },
        {
          "city": "La Jolla",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06349759"
    },
    {
      "nct_id": "NCT04388020",
      "title": "Effects of Projected Peripheral Defocus on Ocular Biometrics",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Myopia"
      ],
      "interventions": [
        {
          "name": "Tabletop prototype of eSpecs: Active projection of defocused image in the peripheral visual field",
          "type": "DEVICE"
        },
        {
          "name": "Tabletop prototype of eSpecs: No Active projection of defocused image in the peripheral visual field",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Kubota Vision Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "35 Years",
        "sex": "ALL",
        "summary": "18 Years to 35 Years"
      },
      "enrollment_count": 12,
      "start_date": "2020-04-11",
      "completion_date": "2020-05-14",
      "has_results": false,
      "last_update_posted_date": "2021-05-21",
      "last_synced_at": "2026-10-24T20:46:21.477Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04388020"
    },
    {
      "nct_id": "NCT05242510",
      "title": "Evaluation of Exotropia After Patching the Eye or After Prism Adaptation",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Exotropia"
      ],
      "interventions": [
        {
          "name": "Patching",
          "type": "PROCEDURE"
        },
        {
          "name": "Prism Adaptation",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of Rochester",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "Up to 17 Years"
      },
      "enrollment_count": 1,
      "start_date": "2024-08-27",
      "completion_date": "2024-09-18",
      "has_results": false,
      "last_update_posted_date": "2025-04-04",
      "last_synced_at": "2026-10-24T20:46:21.477Z",
      "location_count": 5,
      "location_summary": "Los Angeles, California • Boston, Massachusetts • Buffalo, New York + 2 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Buffalo",
          "state": "New York"
        },
        {
          "city": "Rochester",
          "state": "New York"
        },
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05242510"
    },
    {
      "nct_id": "NCT00344708",
      "title": "Transplantation of Tissue Cultured Human Amniotic Epithelial Cells Onto Damaged Ocular Surfaces",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Corneal Epithelial Dystrophy"
      ],
      "interventions": [
        {
          "name": "Transplantation of Tissue-Cultured Human Amniotic Epithelial Cells",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of Texas Southwestern Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "88 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 88 Years · Female only"
      },
      "enrollment_count": 0,
      "start_date": "2000-09",
      "completion_date": "2010-04",
      "has_results": false,
      "last_update_posted_date": "2018-08-22",
      "last_synced_at": "2026-10-24T20:46:21.477Z",
      "location_count": 2,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        },
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00344708"
    },
    {
      "nct_id": "NCT04504890",
      "title": "Ocular-vestibular Biomarker Identification for ADHD",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "ADHD - Combined Type",
        "ADHD",
        "ADHD Predominantly Inattentive Type",
        "ADHD, Predominantly Hyperactive - Impulsive"
      ],
      "interventions": [
        {
          "name": "EYE-SYNC",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Sync-Think, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "6 Years and older"
      },
      "enrollment_count": 240,
      "start_date": "2020-07-16",
      "completion_date": "2021-10-05",
      "has_results": false,
      "last_update_posted_date": "2020-10-23",
      "last_synced_at": "2026-10-24T20:46:21.477Z",
      "location_count": 1,
      "location_summary": "San Carlos, California",
      "locations": [
        {
          "city": "San Carlos",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04504890"
    },
    {
      "nct_id": "NCT03705650",
      "title": "SHAPE:SeeingtheHeartwithAIPoweredEcho",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cardiac Disease"
      ],
      "interventions": [
        {
          "name": "Limited Echocardiogram",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Sara Guttas",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "65 Years and older"
      },
      "enrollment_count": 55,
      "start_date": "2018-10-10",
      "completion_date": "2019-09-06",
      "has_results": false,
      "last_update_posted_date": "2020-03-23",
      "last_synced_at": "2026-10-24T20:46:21.477Z",
      "location_count": 1,
      "location_summary": "Winfield, Illinois",
      "locations": [
        {
          "city": "Winfield",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03705650"
    },
    {
      "nct_id": "NCT01047735",
      "title": "The TRIABETES - ARMMS-T2D Study: A Randomized Trial to Compare Surgical and Medical Treatments for Type 2 Diabetes",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Type 2 Diabetes Mellitus",
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Roux-en-Y Gastric Bypass Surgery",
          "type": "PROCEDURE"
        },
        {
          "name": "Laparoscopic Adjustable Gastric Banding",
          "type": "PROCEDURE"
        },
        {
          "name": "Lifestyle Weight Loss Intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "BEHAVIORAL"
      ],
      "sponsor": "University of Pittsburgh",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "25 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "25 Years to 55 Years"
      },
      "enrollment_count": 69,
      "start_date": "2009-09-01",
      "completion_date": "2028-07-01",
      "has_results": false,
      "last_update_posted_date": "2026-06-11",
      "last_synced_at": "2026-10-24T20:46:21.477Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01047735"
    },
    {
      "nct_id": "NCT00875043",
      "title": "Determine the Effect of Intraocular Pressure (IOP), Optic Nerve Imaging, Venous Congestion in Volunteers Prone Position 5 Hours",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Blindness"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Rutgers, The State University of New Jersey",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 10,
      "start_date": "2008-03",
      "completion_date": "2008-07",
      "has_results": false,
      "last_update_posted_date": "2016-10-14",
      "last_synced_at": "2026-10-24T20:46:21.477Z",
      "location_count": 1,
      "location_summary": "Newark, New Jersey",
      "locations": [
        {
          "city": "Newark",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00875043"
    },
    {
      "nct_id": "NCT04939597",
      "title": "A Study to See if Memantine Protects the Brain During Radiation Therapy Treatment for a Brain Tumor",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Central Nervous System Carcinoma"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Cognitive Assessment",
          "type": "PROCEDURE"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Memantine Hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "Placebo Administration",
          "type": "DRUG"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Children's Oncology Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "4 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "4 Years to 17 Years"
      },
      "enrollment_count": 162,
      "start_date": "2022-05-10",
      "completion_date": "2027-09-30",
      "has_results": false,
      "last_update_posted_date": "2026-07-13",
      "last_synced_at": "2026-10-24T20:46:21.477Z",
      "location_count": 137,
      "location_summary": "Birmingham, Alabama • Anchorage, Alaska • Mesa, Arizona + 110 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Mesa",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04939597"
    }
  ]
}