{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Visual+Acuity&page=2",
    "query": {
      "intervention": "Visual Acuity",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Visual+Acuity&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-02T19:31:36.227Z",
  "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": "NCT00411216",
      "title": "Recovery of Visual Acuity in People With Vestibular Deficits",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Vestibular Neuronitis",
        "Vestibular Neuronitis, Bilateral",
        "Vestibular Schwannoma"
      ],
      "interventions": [
        {
          "name": "Control exercises",
          "type": "OTHER"
        },
        {
          "name": "gaze stabilization exercises",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Emory University",
      "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": 23,
      "start_date": "2000-08",
      "completion_date": "2004-12",
      "has_results": true,
      "last_update_posted_date": "2015-08-07",
      "last_synced_at": "2026-09-02T19:31:36.227Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00411216"
    },
    {
      "nct_id": "NCT05589714",
      "title": "Universal Rare Gene Study: A Registry and Natural History Study of Retinal Dystrophies Associated With Rare Disease-Causing Genetic Variants",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Inherited Retinal Degeneration",
        "Retinitis Pigmentosa"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Jaeb Center for Health Research",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "4 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "4 Years and older"
      },
      "enrollment_count": 1500,
      "start_date": "2023-05-11",
      "completion_date": "2030-12-15",
      "has_results": false,
      "last_update_posted_date": "2026-08-18",
      "last_synced_at": "2026-09-02T19:31:36.227Z",
      "location_count": 19,
      "location_summary": "Little Rock, Arkansas • Los Angeles, California • San Francisco, California + 16 more",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05589714"
    },
    {
      "nct_id": "NCT01223716",
      "title": "An Active Approach to Treat Amblyopia: Video Game Play",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Amblyopia"
      ],
      "interventions": [
        {
          "name": "Perceptual learning",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Video Game",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Crossover (Occlusion therapy + Video Game)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, Berkeley",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "5 Years to 75 Years"
      },
      "enrollment_count": 20,
      "start_date": "2004-12",
      "completion_date": "2009-12",
      "has_results": false,
      "last_update_posted_date": "2016-05-17",
      "last_synced_at": "2026-09-02T19:31:36.227Z",
      "location_count": 1,
      "location_summary": "Berkeley, California",
      "locations": [
        {
          "city": "Berkeley",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01223716"
    },
    {
      "nct_id": "NCT06064916",
      "title": "Visual Outcomes and Patient Satisfaction With Vivity IOL in Post Refractive Patients",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pseudophakia"
      ],
      "interventions": [
        {
          "name": "Visual Acuity",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Defocus Curve",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Intraocular Lens Satisfaction (IOLSAT) Questionnaire",
          "type": "OTHER"
        },
        {
          "name": "Quality of Vision After Surgery (QUVID) Questionnaire",
          "type": "OTHER"
        },
        {
          "name": "Visual Disturbance Questionnaire",
          "type": "OTHER"
        },
        {
          "name": "Topography and Tomography",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST",
        "OTHER"
      ],
      "sponsor": "Berkeley Eye Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 20,
      "start_date": "2023-07-25",
      "completion_date": "2024-12-11",
      "has_results": true,
      "last_update_posted_date": "2025-05-23",
      "last_synced_at": "2026-09-02T19:31:36.227Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06064916"
    },
    {
      "nct_id": "NCT00761488",
      "title": "Recommendations for Monitoring Clinical Experience Following Implantation of the AcrySof® Toric",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Cataract"
      ],
      "interventions": [
        {
          "name": "AcrySof® Toric IOL",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Alcon Research",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "40 Years to 80 Years"
      },
      "enrollment_count": 0,
      "start_date": null,
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2015-05-12",
      "last_synced_at": "2026-09-02T19:31:36.227Z",
      "location_count": 1,
      "location_summary": "Fort Worth, Texas",
      "locations": [
        {
          "city": "Fort Worth",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00761488"
    },
    {
      "nct_id": "NCT06981156",
      "title": "Evaluation of the Neurologic Assessment in Pediatric Neuro-Oncology (pNANO)",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pediatric Brain Tumor",
        "Pediatric Spine Tumor"
      ],
      "interventions": [
        {
          "name": "pNANO Assessment",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Year",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "1 Year to 17 Years"
      },
      "enrollment_count": 252,
      "start_date": "2025-05-13",
      "completion_date": "2027-01",
      "has_results": false,
      "last_update_posted_date": "2026-07-21",
      "last_synced_at": "2026-09-02T19:31:36.227Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06981156"
    },
    {
      "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": "Ocuphire Pharma, 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": "2026-09-02T19:31:36.227Z",
      "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": "NCT04356716",
      "title": "Sildenafil for Treatment of Choroidal Ischemia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Choroidal Ischemia",
        "Vitelliform Macular Dystrophy",
        "Age-related Macular Degeneration",
        "Central Serous Retinopathy",
        "Retinitis Pigmentosa"
      ],
      "interventions": [
        {
          "name": "Sildenafil",
          "type": "DRUG"
        },
        {
          "name": "Standard of Care Sildenafil",
          "type": "OTHER"
        },
        {
          "name": "Ocular Coherence Tomography-Angiography (OCT-A)",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Visual Acuity (VA)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER",
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Columbia University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 22,
      "start_date": "2014-11-11",
      "completion_date": "2020-02-18",
      "has_results": true,
      "last_update_posted_date": "2025-07-04",
      "last_synced_at": "2026-09-02T19:31:36.227Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04356716"
    },
    {
      "nct_id": "NCT00366756",
      "title": "Evaluation of VisionQuest 20/20, a Visual Acuity Testing Software",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Visual Acuity"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Medical University of South Carolina",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "8 Years",
        "maximum_age": "15 Years",
        "sex": "ALL",
        "summary": "8 Years to 15 Years"
      },
      "enrollment_count": 97,
      "start_date": "2006-07",
      "completion_date": "2008-11",
      "has_results": false,
      "last_update_posted_date": "2011-08-05",
      "last_synced_at": "2026-09-02T19:31:36.227Z",
      "location_count": 1,
      "location_summary": "Charleston, South Carolina",
      "locations": [
        {
          "city": "Charleston",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00366756"
    },
    {
      "nct_id": "NCT02260973",
      "title": "The Influence of PRN Omega-3 Nutritional Supplement on Visual Acuity",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Cataract, Dry Eye Disease"
      ],
      "interventions": [
        {
          "name": "Omega-3 (Triglyceride form)",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Physician Recommended Nutriceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "30 Years to 90 Years"
      },
      "enrollment_count": 150,
      "start_date": "2014-11",
      "completion_date": "2016-12",
      "has_results": false,
      "last_update_posted_date": "2016-08-04",
      "last_synced_at": "2026-09-02T19:31:36.227Z",
      "location_count": 2,
      "location_summary": "Lexington, Kentucky • Greenville, South Carolina",
      "locations": [
        {
          "city": "Lexington",
          "state": "Kentucky"
        },
        {
          "city": "Greenville",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02260973"
    }
  ]
}