{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Visual+Acuity&page=5",
    "query": {
      "intervention": "Visual Acuity",
      "page": 5
    },
    "page_size": 10
  },
  "pagination": {
    "page": 5,
    "page_size": 10,
    "total_count": 242,
    "total_pages": 25,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Visual+Acuity&page=6&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Visual+Acuity&page=4&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-18T07:18:01.562Z",
  "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": "NCT04945772",
      "title": "Efficacy and Safety of MCO-010 Optogenetic Therapy in Adults With Retinitis Pigmentosa [RESTORE]",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Retinitis Pigmentosa",
        "Retinitis",
        "Retinal Diseases",
        "Eye Diseases",
        "Eye Diseases, Hereditary",
        "Retinal Dystrophies",
        "Retinal Degeneration"
      ],
      "interventions": [
        {
          "name": "Gene Therapy Product-MCO-010",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Sham Injection",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "PROCEDURE"
      ],
      "sponsor": "Nanoscope Therapeutics Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 27,
      "start_date": "2021-07-13",
      "completion_date": "2024-01-18",
      "has_results": false,
      "last_update_posted_date": "2024-03-22",
      "last_synced_at": "2026-10-18T07:18:01.562Z",
      "location_count": 5,
      "location_summary": "Beverly Hills, California • Pensacola, Florida • Fargo, North Dakota + 2 more",
      "locations": [
        {
          "city": "Beverly Hills",
          "state": "California"
        },
        {
          "city": "Pensacola",
          "state": "Florida"
        },
        {
          "city": "Fargo",
          "state": "North Dakota"
        },
        {
          "city": "Houston",
          "state": "Texas"
        },
        {
          "city": "McAllen",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04945772"
    },
    {
      "nct_id": "NCT04619654",
      "title": "Visual Outcomes With a Trifocal IOL in Subjects With Open-angle Glaucoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cataract",
        "IOL",
        "Glaucoma, Open-Angle"
      ],
      "interventions": [
        {
          "name": "Cataract surgery with implantation of trifocal IOL combined with trabecular scaffold",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Vold Vision P.L.L.C",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "45 Years and older"
      },
      "enrollment_count": 25,
      "start_date": "2021-02-01",
      "completion_date": "2022-06-01",
      "has_results": false,
      "last_update_posted_date": "2022-11-08",
      "last_synced_at": "2026-10-18T07:18:01.562Z",
      "location_count": 1,
      "location_summary": "Fayetteville, Arkansas",
      "locations": [
        {
          "city": "Fayetteville",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04619654"
    },
    {
      "nct_id": "NCT04272606",
      "title": "TXA in Spinal Fusion",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Degenerative Disc Disease"
      ],
      "interventions": [
        {
          "name": "Tranexamic Acid",
          "type": "DRUG"
        },
        {
          "name": "Saline Solution",
          "type": "DRUG"
        },
        {
          "name": "Visual Acuity Exam",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "3 Minute Diagnostic Interview for Confusion Assessment Method (3D-CAM)",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Catherine R. Olinger",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "18 Years to 90 Years"
      },
      "enrollment_count": 123,
      "start_date": "2020-08-01",
      "completion_date": "2023-06-12",
      "has_results": true,
      "last_update_posted_date": "2024-12-12",
      "last_synced_at": "2026-10-18T07:18:01.562Z",
      "location_count": 1,
      "location_summary": "Iowa City, Iowa",
      "locations": [
        {
          "city": "Iowa City",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04272606"
    },
    {
      "nct_id": "NCT00447993",
      "title": "A Study of Encapsulated Cell Technology (ECT) Implant for Patients With Late Stage Retinitis Pigmentosa",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Retinitis Pigmentosa"
      ],
      "interventions": [
        {
          "name": "Low Dose NT-501",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "High Dose NT-501",
          "type": "COMBINATION_PRODUCT"
        }
      ],
      "intervention_types": [
        "COMBINATION_PRODUCT"
      ],
      "sponsor": "Neurotech Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "68 Years",
        "sex": "ALL",
        "summary": "18 Years to 68 Years"
      },
      "enrollment_count": 67,
      "start_date": "2007-01-08",
      "completion_date": "2009-05-26",
      "has_results": true,
      "last_update_posted_date": "2024-08-13",
      "last_synced_at": "2026-10-18T07:18:01.562Z",
      "location_count": 11,
      "location_summary": "Beverly Hills, California • Sacramento, California • San Francisco, California + 8 more",
      "locations": [
        {
          "city": "Beverly Hills",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Hollywood",
          "state": "Florida"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00447993"
    },
    {
      "nct_id": "NCT00760240",
      "title": "Ability of Patients With Low Vision to Properly Instill Eye Drops",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Glaucoma",
        "Retinal Pathology"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Mid-Atlantic Glaucoma Experts",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 200,
      "start_date": "2008-09",
      "completion_date": "2009-09",
      "has_results": false,
      "last_update_posted_date": "2010-04-26",
      "last_synced_at": "2026-10-18T07:18:01.562Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00760240"
    },
    {
      "nct_id": "NCT00812708",
      "title": "Clinical Evaluation of Morcher Artificial Iris Diaphragms",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Aniridia",
        "Iris; Deformity"
      ],
      "interventions": [
        {
          "name": "Morcher iris diaphragm implantation",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of California, Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 72,
      "start_date": "2003-04-09",
      "completion_date": "2021-12-07",
      "has_results": true,
      "last_update_posted_date": "2021-12-15",
      "last_synced_at": "2026-10-18T07:18:01.562Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00812708"
    },
    {
      "nct_id": "NCT00227253",
      "title": "Chromosome 18 Clinical Research Center",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Chromosome Aberrations",
        "Growth Hormone Deficiency",
        "Hypomyelination"
      ],
      "interventions": [
        {
          "name": "Determination of growth hormone status",
          "type": "PROCEDURE"
        },
        {
          "name": "Measurement of growth, thyroid and sex hormone levels",
          "type": "PROCEDURE"
        },
        {
          "name": "Behavior and neuropsychometric evaluations",
          "type": "PROCEDURE"
        },
        {
          "name": "Audiological and ear, nose and throat examination",
          "type": "PROCEDURE"
        },
        {
          "name": "Magnetic resonance imaging of the brain",
          "type": "PROCEDURE"
        },
        {
          "name": "Dysmorphology evaluation",
          "type": "PROCEDURE"
        },
        {
          "name": "Neurology examination",
          "type": "PROCEDURE"
        },
        {
          "name": "Dental evaluation",
          "type": "PROCEDURE"
        },
        {
          "name": "Speech pathology evaluation",
          "type": "PROCEDURE"
        },
        {
          "name": "Psychiatric evaluation",
          "type": "PROCEDURE"
        },
        {
          "name": "Orthopedic evaluation",
          "type": "PROCEDURE"
        },
        {
          "name": "Ophthalmologic evaluation",
          "type": "PROCEDURE"
        },
        {
          "name": "Gastrointestinal evaluation",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "The University of Texas Health Science Center at San Antonio",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 4000,
      "start_date": "1993-09",
      "completion_date": "2040-12",
      "has_results": false,
      "last_update_posted_date": "2026-01-06",
      "last_synced_at": "2026-10-18T07:18:01.562Z",
      "location_count": 2,
      "location_summary": "San Antonio, Texas",
      "locations": [
        {
          "city": "San Antonio",
          "state": "Texas"
        },
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00227253"
    },
    {
      "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": "2026-10-18T07:18:01.562Z",
      "location_count": 1,
      "location_summary": "Berkeley, California",
      "locations": [
        {
          "city": "Berkeley",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01223716"
    },
    {
      "nct_id": "NCT07691463",
      "title": "Evaluating How Well Different Types of Light-sensitive Cells in the Eye Contribute to Its Focusing Ability",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Monochromatic",
        "L- and S-cone Modulation Only",
        "L- and M-cone Modulation Only",
        "M and S-cone Modulation Only"
      ],
      "interventions": [
        {
          "name": "Color",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Rochester Institute of Technology",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "35 Years",
        "sex": "ALL",
        "summary": "Up to 35 Years"
      },
      "enrollment_count": 20,
      "start_date": "2026-07-02",
      "completion_date": "2026-12-15",
      "has_results": false,
      "last_update_posted_date": "2026-07-17",
      "last_synced_at": "2026-10-18T07:18:01.562Z",
      "location_count": 1,
      "location_summary": "Rochester, New York",
      "locations": [
        {
          "city": "Rochester",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07691463"
    },
    {
      "nct_id": "NCT03002597",
      "title": "Visual Information Restoration and Rehabilitation Via Sensory Substitution Technology in Children",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Blindness"
      ],
      "interventions": [
        {
          "name": "BrainPort V200 Device",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Ellen Mitchell",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "4 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "4 Years to 17 Years"
      },
      "enrollment_count": 9,
      "start_date": "2014-01",
      "completion_date": "2021-06",
      "has_results": true,
      "last_update_posted_date": "2023-08-16",
      "last_synced_at": "2026-10-18T07:18:01.562Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03002597"
    }
  ]
}