{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Emmetropia",
    "query": {
      "condition": "Emmetropia"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 5,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-06-26T09:03:26.401Z",
  "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": "NCT01655420",
      "title": "Patient Reported Outcomes With LASIK: PROWL-2",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Laser in Situ Keratomileusis"
      ],
      "interventions": [
        {
          "name": "LASIK",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Food and Drug Administration (FDA)",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "84 Years",
        "sex": "ALL",
        "summary": "21 Years to 84 Years"
      },
      "enrollment_count": 300,
      "start_date": "2012-07",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2018-02-08",
      "last_synced_at": "2026-06-26T09:03:26.401Z",
      "location_count": 5,
      "location_summary": "Stanford, California • Indianapolis, Indiana • Overland Park, Kansas + 2 more",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "Overland Park",
          "state": "Kansas"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Sioux Falls",
          "state": "South Dakota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01655420"
    },
    {
      "nct_id": "NCT05852782",
      "title": "Effects of Light on the Choroid and Pupil",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Emmetropia",
        "Myopia"
      ],
      "interventions": [
        {
          "name": "White Light therapy",
          "type": "OTHER"
        },
        {
          "name": "Blue light therapy",
          "type": "OTHER"
        },
        {
          "name": "Red light therapy",
          "type": "OTHER"
        },
        {
          "name": "Darkness",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Houston",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 20,
      "start_date": "2019-02-01",
      "completion_date": "2020-02-02",
      "has_results": false,
      "last_update_posted_date": "2023-05-10",
      "last_synced_at": "2026-06-26T09:03:26.401Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05852782"
    },
    {
      "nct_id": "NCT05464732",
      "title": "Vivity IOL: Emmetropia Compared to Monovision.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Presbyopia"
      ],
      "interventions": [
        {
          "name": "Vivity IOL emmetropia",
          "type": "DEVICE"
        },
        {
          "name": "Vivity IOL monovision",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Carolina Eyecare Physicians, LLC",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 33,
      "start_date": "2020-09-03",
      "completion_date": "2022-08-30",
      "has_results": true,
      "last_update_posted_date": "2025-03-24",
      "last_synced_at": "2026-06-26T09:03:26.401Z",
      "location_count": 1,
      "location_summary": "Mt. Pleasant, South Carolina",
      "locations": [
        {
          "city": "Mt. Pleasant",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05464732"
    },
    {
      "nct_id": "NCT01526291",
      "title": "Patient-Reported Outcomes With LASIK:PROWL-1",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Laser in Situ Keratomileusis"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Food and Drug Administration (FDA)",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "84 Years",
        "sex": "ALL",
        "summary": "21 Years to 84 Years"
      },
      "enrollment_count": 550,
      "start_date": "2011-08",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2018-02-08",
      "last_synced_at": "2026-06-26T09:03:26.401Z",
      "location_count": 1,
      "location_summary": "San Diego, California",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01526291"
    },
    {
      "nct_id": "NCT00894192",
      "title": "Comprehensive Evaluation of Visual Function",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Visual Function"
      ],
      "interventions": [
        {
          "name": "Izon Wavefront-guided lenses",
          "type": "DEVICE"
        },
        {
          "name": "Conventional lenses",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "The Chicago Lighthouse",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "35 Years",
        "sex": "ALL",
        "summary": "18 Years to 35 Years"
      },
      "enrollment_count": 300,
      "start_date": "2009-02",
      "completion_date": "2009-12",
      "has_results": false,
      "last_update_posted_date": "2009-05-06",
      "last_synced_at": "2026-06-26T09:03:26.401Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00894192"
    }
  ]
}