{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Refractive+Assessment&page=2",
    "query": {
      "condition": "Refractive Assessment",
      "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?condition=Refractive+Assessment&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-06-26T05:03:31.832Z",
  "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": "NCT02554396",
      "title": "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": "PRX-100",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "LENZ Therapeutics, Inc",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": "59 Years",
        "sex": "ALL",
        "summary": "45 Years to 59 Years"
      },
      "enrollment_count": 20,
      "start_date": "2015-09",
      "completion_date": "2015-11",
      "has_results": false,
      "last_update_posted_date": "2017-10-23",
      "last_synced_at": "2026-06-26T05:03:31.832Z",
      "location_count": 1,
      "location_summary": "Andover, Massachusetts",
      "locations": [
        {
          "city": "Andover",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02554396"
    },
    {
      "nct_id": "NCT01193231",
      "title": "A 6 Month Study to Evaluate the Safety, Analgesic Efficacy of ACUVAIL™ (Ketorolac Tromethamine Ophthalmic Solution) 0.45%, in Post-PRK Corneal Wound Healing",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Must be PRK Candidate"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Durrie Vision",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "39 Years",
        "sex": "ALL",
        "summary": "18 Years to 39 Years"
      },
      "enrollment_count": 10,
      "start_date": "2010-08",
      "completion_date": "2011-04",
      "has_results": false,
      "last_update_posted_date": "2012-02-14",
      "last_synced_at": "2026-06-26T05:03:31.832Z",
      "location_count": 1,
      "location_summary": "Overland Park, Kansas",
      "locations": [
        {
          "city": "Overland Park",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01193231"
    },
    {
      "nct_id": "NCT06009458",
      "title": "Acuity 200™ (Fluoroxyfocon A) Orthokeratology Contact Lens for Overnight Wear",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Myopia"
      ],
      "interventions": [
        {
          "name": "Acuity 200™ (fluoroxyfocon A) Orthokeratology Contact Lens for Overnight Wear",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Acuity Polymers, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "7 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "7 Years and older"
      },
      "enrollment_count": 387,
      "start_date": "2023-10-01",
      "completion_date": "2025-09",
      "has_results": false,
      "last_update_posted_date": "2025-01-14",
      "last_synced_at": "2026-06-26T05:03:31.832Z",
      "location_count": 9,
      "location_summary": "Mission Viejo, California • Oakland, California • San Francisco, California + 6 more",
      "locations": [
        {
          "city": "Mission Viejo",
          "state": "California"
        },
        {
          "city": "Oakland",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Sunnyvale",
          "state": "California"
        },
        {
          "city": "Ocoee",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06009458"
    },
    {
      "nct_id": "NCT00413517",
      "title": "Evaluation of Epi-lasik in U.S. Army Personnel",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Myopia"
      ],
      "interventions": [
        {
          "name": "Epi-Lasik",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Walter Reed Army Medical Center",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 150,
      "start_date": "2006-11",
      "completion_date": "2009-09",
      "has_results": false,
      "last_update_posted_date": "2010-07-16",
      "last_synced_at": "2026-06-26T05:03:31.832Z",
      "location_count": 1,
      "location_summary": "Washington D.C., District of Columbia",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00413517"
    },
    {
      "nct_id": "NCT05278442",
      "title": "Evaluation of the Accuracy & Safety of the LaserArcs Nomogram",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cataract",
        "Astigmatism"
      ],
      "interventions": [
        {
          "name": "LaserArc",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Research Insight LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "22 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "22 Years and older"
      },
      "enrollment_count": 50,
      "start_date": "2022-04-01",
      "completion_date": "2022-08-08",
      "has_results": false,
      "last_update_posted_date": "2022-11-01",
      "last_synced_at": "2026-06-26T05:03:31.832Z",
      "location_count": 1,
      "location_summary": "Belleville, Illinois",
      "locations": [
        {
          "city": "Belleville",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05278442"
    },
    {
      "nct_id": "NCT06542497",
      "title": "Evaluate Efficacy and Safety of POS to Improve Distance-corrected Near Visual in Participants With Presbyopia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Presbyopia"
      ],
      "interventions": [
        {
          "name": "0.75% phentolamine ophthalmic solution",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Ocuphire Pharma, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "45 Years to 64 Years"
      },
      "enrollment_count": 569,
      "start_date": "2024-08-15",
      "completion_date": "2026-01-22",
      "has_results": false,
      "last_update_posted_date": "2026-03-12",
      "last_synced_at": "2026-06-26T05:03:31.832Z",
      "location_count": 39,
      "location_summary": "Chandler, Arizona • Mesa, Arizona • Phoenix, Arizona + 32 more",
      "locations": [
        {
          "city": "Chandler",
          "state": "Arizona"
        },
        {
          "city": "Mesa",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Bakersfield",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06542497"
    },
    {
      "nct_id": "NCT00842231",
      "title": "Assessment of Visual Performance in Patients With Low Levels of Astigmatism",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cataract Extraction",
        "Corneal Astigmatism"
      ],
      "interventions": [
        {
          "name": "Visual performance measures",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Alcon Research",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "50 Years to 75 Years"
      },
      "enrollment_count": 40,
      "start_date": "2009-01",
      "completion_date": null,
      "has_results": true,
      "last_update_posted_date": "2010-09-28",
      "last_synced_at": "2026-06-26T05:03:31.832Z",
      "location_count": 1,
      "location_summary": "Fort Worth, Texas",
      "locations": [
        {
          "city": "Fort Worth",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00842231"
    },
    {
      "nct_id": "NCT04693260",
      "title": "A Clinical Study to Evaluate the Remote Monitoring of Myopia Patients With the EyeQue Insight",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Myopia"
      ],
      "interventions": [
        {
          "name": "Visual Acuity with a Hand-held Device Supported by Mobile App.",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "EyeQue Corp.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "7 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "7 Years and older"
      },
      "enrollment_count": 32,
      "start_date": "2020-07-03",
      "completion_date": "2021-09-10",
      "has_results": false,
      "last_update_posted_date": "2022-08-22",
      "last_synced_at": "2026-06-26T05:03:31.832Z",
      "location_count": 1,
      "location_summary": "Santa Clara, California",
      "locations": [
        {
          "city": "Santa Clara",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04693260"
    },
    {
      "nct_id": "NCT04177771",
      "title": "A Clinical Study to Evaluate The Safety and Effectiveness of The RxSight Light Adjustable Lens (LAL) In Subjects Desiring an Extended Depth of Focus",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [],
      "conditions": [
        "Aphakia",
        "Cataract",
        "Presbyopia"
      ],
      "interventions": [
        {
          "name": "Light Adjustable lens (LAL) and Light Delivery Device (LDD) - Pre-COVID Population",
          "type": "DEVICE"
        },
        {
          "name": "SofPort LI61AO IOL",
          "type": "DEVICE"
        },
        {
          "name": "Tecnis ZCB00 or ZTC150 IOL",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "RxSight, Inc.",
      "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": 34,
      "start_date": "2019-11-15",
      "completion_date": "2021-12-20",
      "has_results": true,
      "last_update_posted_date": "2025-01-07",
      "last_synced_at": "2026-06-26T05:03:31.832Z",
      "location_count": 1,
      "location_summary": "Fayetteville, Arkansas",
      "locations": [
        {
          "city": "Fayetteville",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04177771"
    },
    {
      "nct_id": "NCT05166902",
      "title": "Evaluation of Monthly Replacement Lenses in Habitual Soft Contact Lens Wearers Who Report Frequent Digital Devise Use",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Ametropia"
      ],
      "interventions": [
        {
          "name": "Lens A (comfilcon A lens)",
          "type": "DEVICE"
        },
        {
          "name": "Lens B (lehfilcon A lens)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "CooperVision, 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": 67,
      "start_date": "2022-01-31",
      "completion_date": "2022-07-09",
      "has_results": true,
      "last_update_posted_date": "2023-07-27",
      "last_synced_at": "2026-06-26T05:03:31.832Z",
      "location_count": 2,
      "location_summary": "Ocoee, Florida • State College, Pennsylvania",
      "locations": [
        {
          "city": "Ocoee",
          "state": "Florida"
        },
        {
          "city": "State College",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05166902"
    }
  ]
}