{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Presbyopia+Condition&page=4",
    "query": {
      "condition": "Presbyopia Condition",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 138,
    "total_pages": 14,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Presbyopia+Condition&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Presbyopia+Condition&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-23T13:55:53.405Z",
  "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": "NCT07586982",
      "title": "Clinical Performance of Verofilcon A Toric Contact Lenses",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Contact Lenses",
        "Presbyopia"
      ],
      "interventions": [
        {
          "name": "Total 30 multi foric contact lenses",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Southern College of Optometry",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "18 Years to 40 Years"
      },
      "enrollment_count": 32,
      "start_date": "2026-04",
      "completion_date": "2026-09",
      "has_results": false,
      "last_update_posted_date": "2026-05-14",
      "last_synced_at": "2026-10-23T13:55:53.405Z",
      "location_count": 1,
      "location_summary": "Memphis, Tennessee",
      "locations": [
        {
          "city": "Memphis",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07586982"
    },
    {
      "nct_id": "NCT03201562",
      "title": "A Single-Center, Double-Masked Evaluation of the Efficacy and Safety of PRX-100 in the Treatment of Early to Moderate Presbyopia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Presbyopia"
      ],
      "interventions": [
        {
          "name": "Aceclidine+tropicamide combination",
          "type": "DRUG"
        },
        {
          "name": "Aceclidine",
          "type": "DRUG"
        },
        {
          "name": "Vehicle",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "LENZ Therapeutics, Inc",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "48 Years",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "48 Years to 64 Years"
      },
      "enrollment_count": 58,
      "start_date": "2017-04-30",
      "completion_date": "2018-05-20",
      "has_results": true,
      "last_update_posted_date": "2022-09-22",
      "last_synced_at": "2026-10-23T13:55:53.405Z",
      "location_count": 1,
      "location_summary": "Andover, Massachusetts",
      "locations": [
        {
          "city": "Andover",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03201562"
    },
    {
      "nct_id": "NCT06461455",
      "title": "Clinical Performance Evaluation of Two Frequent Replacement Silicone Hydrogel Multifocal Toric Contact Lenses",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Presbyopia",
        "Astigmatism"
      ],
      "interventions": [
        {
          "name": "Lehfilcon A multifocal for astigmatism contact lenses",
          "type": "DEVICE"
        },
        {
          "name": "Samfilcon A multifocal for astigmatism contact lenses",
          "type": "DEVICE"
        },
        {
          "name": "CLEAR CARE® Cleaning & Disinfecting Solution",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Alcon Research",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 95,
      "start_date": "2024-07-26",
      "completion_date": "2024-12-31",
      "has_results": true,
      "last_update_posted_date": "2025-12-24",
      "last_synced_at": "2026-10-23T13:55:53.405Z",
      "location_count": 11,
      "location_summary": "Oakland, California • San Francisco, California • Maitland, Florida + 8 more",
      "locations": [
        {
          "city": "Oakland",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Maitland",
          "state": "Florida"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        },
        {
          "city": "Pittsburg",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06461455"
    },
    {
      "nct_id": "NCT07161635",
      "title": "Post Market Clinical Evaluation of Clareon PanOptix Pro and Clareon PanOptix Pro Toric IOLs",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Aphakia",
        "Presbyopia"
      ],
      "interventions": [
        {
          "name": "Clareon PanOptix Pro/Pro Toric Trifocal IOL",
          "type": "DEVICE"
        },
        {
          "name": "Phacoemulsification",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "PROCEDURE"
      ],
      "sponsor": "Alcon Research",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "22 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "22 Years and older"
      },
      "enrollment_count": 110,
      "start_date": "2025-10-14",
      "completion_date": "2026-10-07",
      "has_results": false,
      "last_update_posted_date": "2026-10-19",
      "last_synced_at": "2026-10-23T13:55:53.405Z",
      "location_count": 5,
      "location_summary": "Torrance, California • Kansas City, Missouri • Mt. Pleasant, South Carolina + 2 more",
      "locations": [
        {
          "city": "Torrance",
          "state": "California"
        },
        {
          "city": "Kansas City",
          "state": "Missouri"
        },
        {
          "city": "Mt. Pleasant",
          "state": "South Carolina"
        },
        {
          "city": "Houston",
          "state": "Texas"
        },
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07161635"
    },
    {
      "nct_id": "NCT03544216",
      "title": "Accommodative Relief for Uncomfortable Non-Presbyopes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Asthenopia"
      ],
      "interventions": [
        {
          "name": "Multifocal Contact Lens",
          "type": "DEVICE"
        },
        {
          "name": "Single Vision Contact Lens",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Ohio State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "30 Years to 40 Years"
      },
      "enrollment_count": 84,
      "start_date": "2017-02-02",
      "completion_date": "2018-05-06",
      "has_results": true,
      "last_update_posted_date": "2019-02-15",
      "last_synced_at": "2026-10-23T13:55:53.405Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03544216"
    },
    {
      "nct_id": "NCT02719353",
      "title": "A Dispensing Clinical Trial of Comfilcon A Extended Range Multifocal Lenses",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Presbyopia"
      ],
      "interventions": [
        {
          "name": "comfilcon A Extended Range test lens",
          "type": "DEVICE"
        },
        {
          "name": "comfilcon A control lens",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "CooperVision, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 14,
      "start_date": "2016-03",
      "completion_date": "2016-08",
      "has_results": true,
      "last_update_posted_date": "2020-07-30",
      "last_synced_at": "2026-10-23T13:55:53.405Z",
      "location_count": 1,
      "location_summary": "Bloomington, Indiana",
      "locations": [
        {
          "city": "Bloomington",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02719353"
    },
    {
      "nct_id": "NCT04599972",
      "title": "An Evaluation of the Efficacy and Safety of CSF-1 in the Temporary Correction of Presbyopia (NEAR-2)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Presbyopia"
      ],
      "interventions": [
        {
          "name": "CSF-1",
          "type": "DRUG"
        },
        {
          "name": "Vehicle",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Orasis Pharmaceuticals Ltd.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "45 Years to 64 Years"
      },
      "enrollment_count": 304,
      "start_date": "2020-10-26",
      "completion_date": "2022-01-28",
      "has_results": true,
      "last_update_posted_date": "2024-04-04",
      "last_synced_at": "2026-10-23T13:55:53.405Z",
      "location_count": 18,
      "location_summary": "Chandler, Arizona • Mesa, Arizona • Phoenix, Arizona + 15 more",
      "locations": [
        {
          "city": "Chandler",
          "state": "Arizona"
        },
        {
          "city": "Mesa",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Garden Grove",
          "state": "California"
        },
        {
          "city": "Mission Hills",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04599972"
    },
    {
      "nct_id": "NCT05579886",
      "title": "Evaluating Two Multifocal Daily Disposable Contact Lenses",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Presbyopia"
      ],
      "interventions": [
        {
          "name": "Control Lens",
          "type": "DEVICE"
        },
        {
          "name": "Test Lens",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "CooperVision, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "42 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "42 Years and older"
      },
      "enrollment_count": 60,
      "start_date": "2022-10-10",
      "completion_date": "2023-02-07",
      "has_results": true,
      "last_update_posted_date": "2024-02-20",
      "last_synced_at": "2026-10-23T13:55:53.405Z",
      "location_count": 5,
      "location_summary": "Ocoee, Florida • Pittsburg, Kansas • Vestal, New York + 2 more",
      "locations": [
        {
          "city": "Ocoee",
          "state": "Florida"
        },
        {
          "city": "Pittsburg",
          "state": "Kansas"
        },
        {
          "city": "Vestal",
          "state": "New York"
        },
        {
          "city": "Granville",
          "state": "Ohio"
        },
        {
          "city": "State College",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05579886"
    },
    {
      "nct_id": "NCT05418153",
      "title": "Synergy Lens Outcomes Evaluation",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Presbyopia",
        "Pseudophakia"
      ],
      "interventions": [
        {
          "name": "Tecnis Synergy IOL",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Center For Sight",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 52,
      "start_date": "2022-03-14",
      "completion_date": "2022-11-22",
      "has_results": true,
      "last_update_posted_date": "2024-03-18",
      "last_synced_at": "2026-10-23T13:55:53.405Z",
      "location_count": 2,
      "location_summary": "Venice, Florida • Mt. Pleasant, South Carolina",
      "locations": [
        {
          "city": "Venice",
          "state": "Florida"
        },
        {
          "city": "Mt. Pleasant",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05418153"
    },
    {
      "nct_id": "NCT03757039",
      "title": "Multifocal Visual Performance Study",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Presbyopia"
      ],
      "interventions": [
        {
          "name": "Multifocal soft contact lenses",
          "type": "DEVICE"
        },
        {
          "name": "Progressive addition lens spectacles",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "Alcon Research",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "38 Years",
        "maximum_age": "58 Years",
        "sex": "ALL",
        "summary": "38 Years to 58 Years"
      },
      "enrollment_count": 42,
      "start_date": "2018-12-16",
      "completion_date": "2019-03-06",
      "has_results": true,
      "last_update_posted_date": "2020-03-25",
      "last_synced_at": "2026-10-23T13:55:53.405Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03757039"
    }
  ]
}