{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Visual+Acuity&page=4",
    "query": {
      "condition": "Visual Acuity",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 191,
    "total_pages": 20,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Visual+Acuity&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Visual+Acuity&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-21T02:47:40.007Z",
  "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": "NCT05101252",
      "title": "Comparison of a Daily Disposable Multifocal Contact Lens to a Marketed Product",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Visual Acuity"
      ],
      "interventions": [
        {
          "name": "senofilcon A C3",
          "type": "DEVICE"
        },
        {
          "name": "Dailies Total 1 Multifocal Contact Lenses",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Johnson & Johnson Vision Care, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "40 Years to 70 Years"
      },
      "enrollment_count": 77,
      "start_date": "2021-10-11",
      "completion_date": "2021-11-29",
      "has_results": true,
      "last_update_posted_date": "2023-01-10",
      "last_synced_at": "2026-10-21T02:47:40.007Z",
      "location_count": 9,
      "location_summary": "Jacksonville, Florida • Longwood, Florida • Roswell, Georgia + 6 more",
      "locations": [
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Longwood",
          "state": "Florida"
        },
        {
          "city": "Roswell",
          "state": "Georgia"
        },
        {
          "city": "Pittsburg",
          "state": "Kansas"
        },
        {
          "city": "Bloomfield Township",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05101252"
    },
    {
      "nct_id": "NCT03888469",
      "title": "Clinical Comparison of DDT2 Contact Lens and a Daily Disposable Contact Lens - Study 1",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Refractive Error",
        "Myopia"
      ],
      "interventions": [
        {
          "name": "Verofilcon A contact lenses",
          "type": "DEVICE"
        },
        {
          "name": "Etafilcon A contact lenses",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Alcon Research",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 92,
      "start_date": "2019-05-03",
      "completion_date": "2019-06-24",
      "has_results": true,
      "last_update_posted_date": "2020-06-25",
      "last_synced_at": "2026-10-21T02:47:40.007Z",
      "location_count": 5,
      "location_summary": "Jacksonville, Florida • Maitland, Florida • Orlando, Florida + 2 more",
      "locations": [
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Maitland",
          "state": "Florida"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        },
        {
          "city": "Powell",
          "state": "Ohio"
        },
        {
          "city": "Memphis",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03888469"
    },
    {
      "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": "2026-10-21T02:47:40.007Z",
      "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"
    },
    {
      "nct_id": "NCT02708524",
      "title": "Clinical Study of Approved and Investigational Contact Lenses",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Visual Acuity"
      ],
      "interventions": [
        {
          "name": "Senofilcon C Contact Lens",
          "type": "DEVICE"
        },
        {
          "name": "Comfilcon A Contact Lens",
          "type": "DEVICE"
        },
        {
          "name": "Lotrafilcon B Contact Lens",
          "type": "DEVICE"
        },
        {
          "name": "Samfilcon A Contact Lens",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Johnson & Johnson Vision Care, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "18 Years to 40 Years"
      },
      "enrollment_count": 554,
      "start_date": "2016-01",
      "completion_date": "2016-03",
      "has_results": true,
      "last_update_posted_date": "2016-11-09",
      "last_synced_at": "2026-10-21T02:47:40.007Z",
      "location_count": 18,
      "location_summary": "Montgomery, Alabama • Fruit Cove, Florida • Jacksonville, Florida + 14 more",
      "locations": [
        {
          "city": "Montgomery",
          "state": "Alabama"
        },
        {
          "city": "Fruit Cove",
          "state": "Florida"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Longwood",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02708524"
    },
    {
      "nct_id": "NCT07790185",
      "title": "Evaluation of Mesopic Visual Acuity and Patient Satisfaction Following Ray-Tracing-Guided LASIK",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Astigmatism",
        "Myopia"
      ],
      "interventions": [
        {
          "name": "Wavelight Plus",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Vance Thompson Vision",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "18 Years to 45 Years"
      },
      "enrollment_count": 50,
      "start_date": "2026-04-20",
      "completion_date": "2027-11",
      "has_results": false,
      "last_update_posted_date": "2026-08-27",
      "last_synced_at": "2026-10-21T02:47:40.007Z",
      "location_count": 1,
      "location_summary": "Sioux Falls, South Dakota",
      "locations": [
        {
          "city": "Sioux Falls",
          "state": "South Dakota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07790185"
    },
    {
      "nct_id": "NCT02088229",
      "title": "Relating Retinal Structural and Functional Parameters to Visual Acuity in Eyes Undergoing Treatment for Diabetic Macular Edema",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Diabetic Macular Edema"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of Michigan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 35,
      "start_date": "2012-09",
      "completion_date": "2015-07",
      "has_results": false,
      "last_update_posted_date": "2016-01-26",
      "last_synced_at": "2026-10-21T02:47:40.007Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02088229"
    },
    {
      "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": "2026-10-21T02:47:40.007Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03212222"
    },
    {
      "nct_id": "NCT00997035",
      "title": "The Mycotic Ulcer Treatment Trial II: A Randomized Trial Comparing Oral Voriconazole vs Placebo",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Corneal Ulcer",
        "Eye Infections, Fungal"
      ],
      "interventions": [
        {
          "name": "Voriconazole",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "16 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "16 Years and older"
      },
      "enrollment_count": 240,
      "start_date": "2010-05",
      "completion_date": "2016-03",
      "has_results": true,
      "last_update_posted_date": "2019-02-26",
      "last_synced_at": "2026-10-21T02:47:40.007Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00997035"
    },
    {
      "nct_id": "NCT03931317",
      "title": "Study Comparing the Effects of Latanoprostene Bunod and Timolol on Retinal Blood Vessel Density and Visual Acuity",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "OAG - Open-Angle Glaucoma",
        "OHT - Ocular Hypertension"
      ],
      "interventions": [
        {
          "name": "Latanoprostene bunod 0.024% QD",
          "type": "DRUG"
        },
        {
          "name": "Timolol maleate 0.5% BID",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of California, San Diego",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "40 Years to 90 Years"
      },
      "enrollment_count": 70,
      "start_date": "2018-12-03",
      "completion_date": "2023-03-01",
      "has_results": false,
      "last_update_posted_date": "2023-08-29",
      "last_synced_at": "2026-10-21T02:47:40.007Z",
      "location_count": 1,
      "location_summary": "La Jolla, California",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03931317"
    },
    {
      "nct_id": "NCT00964795",
      "title": "Open-label Extension Study of Intravitreal Aflibercept Injection (IAI; EYLEA®; BAY86-5321) in Neovascular (\"Wet\") Age-related Macular Degeneration (AMD)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Neovascular Age-related Macular Degeneration"
      ],
      "interventions": [
        {
          "name": "Intravitreal Aflibercept Injection 2mg",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Regeneron Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 323,
      "start_date": "2009-12",
      "completion_date": "2013-08",
      "has_results": true,
      "last_update_posted_date": "2015-03-23",
      "last_synced_at": "2026-10-21T02:47:40.007Z",
      "location_count": 115,
      "location_summary": "Birmingham (2 Locations), Alabama • Phoenix (2 Locations), Arizona • Tucson (2 Locations), Arizona + 112 more",
      "locations": [
        {
          "city": "Birmingham (2 Locations)",
          "state": "Alabama"
        },
        {
          "city": "Phoenix (2 Locations)",
          "state": "Arizona"
        },
        {
          "city": "Tucson (2 Locations)",
          "state": "Arizona"
        },
        {
          "city": "Arcadia",
          "state": "California"
        },
        {
          "city": "Beverly Hills",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00964795"
    }
  ]
}