{ "api_version": "1", "request": { "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Visual+Assessment&page=32", "query": { "intervention": "Visual Assessment", "page": 32 }, "page_size": 10 }, "pagination": { "page": 32, "page_size": 10, "total_count": 1001, "total_pages": 101, "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Visual+Assessment&page=33&page_size=10", "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Visual+Assessment&page=31&page_size=10" }, "source": "remote", "last_synced_at": "2026-11-01T18:04:33.442Z", "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": "NCT07527663", "title": "GyroStim for Post Concussion Syndrome", "overall_status": "RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Post Concussion Syndrome" ], "interventions": [ { "name": "Sensorimotor Multi-axis Automated Rotational Therapy (SMART) utilizing GyroStim device", "type": "DEVICE" }, { "name": "Physical therapy and speech therapy/cognitive rehabilitation therapy", "type": "OTHER" } ], "intervention_types": [ "DEVICE", "OTHER" ], "sponsor": "Neuroscience Group", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 128, "start_date": "2026-03-16", "completion_date": "2027-09-30", "has_results": false, "last_update_posted_date": "2026-06-10", "last_synced_at": "2026-11-01T18:04:33.442Z", "location_count": 1, "location_summary": "Appleton, Wisconsin", "locations": [ { "city": "Appleton", "state": "Wisconsin" } ], "official_url": "https://clinicaltrials.gov/study/NCT07527663" }, { "nct_id": "NCT06784063", "title": "Visual Performance With Clareon® Vivity® Intraocular Lenses (IOLs)", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Astigmatism" ], "interventions": [ { "name": "Clareon Vivity Extended Vision IOL", "type": "DEVICE" } ], "intervention_types": [ "DEVICE" ], "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": 40, "start_date": "2025-04-10", "completion_date": "2025-06-13", "has_results": true, "last_update_posted_date": "2026-07-13", "last_synced_at": "2026-11-01T18:04:33.442Z", "location_count": 3, "location_summary": "Bloomfield Hills, Michigan • Dallas, Texas • Sugar Land, Texas", "locations": [ { "city": "Bloomfield Hills", "state": "Michigan" }, { "city": "Dallas", "state": "Texas" }, { "city": "Sugar Land", "state": "Texas" } ], "official_url": "https://clinicaltrials.gov/study/NCT06784063" }, { "nct_id": "NCT02008825", "title": "Evaluation of the ViSiGiTM Calibration System", "overall_status": "UNKNOWN", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1" ], "conditions": [ "Enhance Delineation of the Stomach Anatomy and the Surgeon's Appreciation of the Extent of Gastric Volume to be Removed;", "Increase the Safety Profile of the Patient (i.e., Reduce the Likelihood of Accidental Stapling of the Orogastric Tube or Bougie);", "Reduce the Incidence of OR Contamination/Infection Transmission;", "Streamline OR Workflow, Resulting in Reduced OR Time", "Ensure Consistent and Reproducible Staple Lines." ], "interventions": [ { "name": "Utilization of ViSiGi calibration tube", "type": "DEVICE" }, { "name": "Usual non suction Bougie", "type": "DEVICE" } ], "intervention_types": [ "DEVICE" ], "sponsor": "St. Luke's Hospital and Health Network, Pennsylvania", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 22, "start_date": "2014-01", "completion_date": "2014-05", "has_results": false, "last_update_posted_date": "2013-12-11", "last_synced_at": "2026-11-01T18:04:33.442Z", "location_count": 1, "location_summary": "Allentown, Pennsylvania", "locations": [ { "city": "Allentown", "state": "Pennsylvania" } ], "official_url": "https://clinicaltrials.gov/study/NCT02008825" }, { "nct_id": "NCT03109314", "title": "Combining Donepezil With Perceptual Learning in Normal and Amblyopic Human The Effect of Donepezil on Perceptual Learning in Adult Amblyopia", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE4" ], "conditions": [ "Amblyopia" ], "interventions": [ { "name": "Donepezil", "type": "DRUG" }, { "name": "Single-letter training", "type": "BEHAVIORAL" }, { "name": "Uncrowd training", "type": "BEHAVIORAL" } ], "intervention_types": [ "DRUG", "BEHAVIORAL" ], "sponsor": "Dennis Levi", "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": "2012-05-01", "completion_date": "2018-12-01", "has_results": false, "last_update_posted_date": "2019-01-17", "last_synced_at": "2026-11-01T18:04:33.442Z", "location_count": 1, "location_summary": "Berkeley, California", "locations": [ { "city": "Berkeley", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT03109314" }, { "nct_id": "NCT02706977", "title": "The Effect of Dopamine on Diabetic Retinopathy", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1" ], "conditions": [ "Diabetes" ], "interventions": [ { "name": "Low Dose Sinemet CR", "type": "DRUG" }, { "name": "High Dose Sinemet CR", "type": "DRUG" }, { "name": "RETeval Electroretinogram (ERG) Testing", "type": "DEVICE" }, { "name": "Contrast Sensitivity Testing", "type": "OTHER" }, { "name": "Visual Acuity Testing", "type": "OTHER" } ], "intervention_types": [ "DRUG", "DEVICE", "OTHER" ], "sponsor": "Emory University", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": "80 Years", "sex": "ALL", "summary": "18 Years to 80 Years" }, "enrollment_count": 60, "start_date": "2016-01", "completion_date": "2019-08-15", "has_results": false, "last_update_posted_date": "2019-10-09", "last_synced_at": "2026-11-01T18:04:33.442Z", "location_count": 1, "location_summary": "Atlanta, Georgia", "locations": [ { "city": "Atlanta", "state": "Georgia" } ], "official_url": "https://clinicaltrials.gov/study/NCT02706977" }, { "nct_id": "NCT01019343", "title": "Physiological Investigations of Movement Disorders", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Parkinson's Disease", "Tourette's Syndrome", "Tic Disorders", "Dystonia", "Movement Disorders" ], "interventions": [ { "name": "Transcranial Direct Current Stimulation (tDCS)", "type": "PROCEDURE" }, { "name": "Eye-tracking Device", "type": "DEVICE" }, { "name": "Pulsed vibrator", "type": "DEVICE" }, { "name": "Gait Trainer Treadmill (GTT)", "type": "OTHER" }, { "name": "Standard psychiatric scales SCID-I, YBOCS and SCI-OBS-lifetime and cognitive scales MMSE and MOCA", "type": "OTHER" }, { "name": "iMobility", "type": "DEVICE" }, { "name": "QMAT", "type": "DEVICE" }, { "name": "Treadmill Test", "type": "DIAGNOSTIC_TEST" }, { "name": "Arm Intellistretch Device", "type": "DEVICE" }, { "name": "Transcranial Sonography (TCS)", "type": "PROCEDURE" }, { "name": "Behavioral tasks", "type": "OTHER" }, { "name": "TMS single/paired pulse", "type": "PROCEDURE" }, { "name": "MEG", "type": "PROCEDURE" }, { "name": "EEG", "type": "PROCEDURE" }, { "name": "MRI techniques", "type": "PROCEDURE" }, { "name": "Peripheral Nerve Stimulation", "type": "PROCEDURE" }, { "name": "EMG", "type": "PROCEDURE" }, { "name": "Trancutaneous spinal direct current stimulation (tsDCS)", "type": "PROCEDURE" } ], "intervention_types": [ "PROCEDURE", "DEVICE", "OTHER", "DIAGNOSTIC_TEST" ], "sponsor": "National Institute of Neurological Disorders and Stroke (NINDS)", "sponsor_class": "NIH", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 1273, "start_date": "2009-12-08", "completion_date": "2020-10-09", "has_results": false, "last_update_posted_date": "2026-10-26", "last_synced_at": "2026-11-01T18:04:33.442Z", "location_count": 1, "location_summary": "Bethesda, Maryland", "locations": [ { "city": "Bethesda", "state": "Maryland" } ], "official_url": "https://clinicaltrials.gov/study/NCT01019343" }, { "nct_id": "NCT01646047", "title": "Diabetes Visual Function Supplement Study", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Diabetes Mellitus - Type 1", "Diabetes Mellitus - Type 2", "Non-proliferative Diabetic Retinopathy" ], "interventions": [ { "name": "multi-component nutritional supplement capsules", "type": "DIETARY_SUPPLEMENT" }, { "name": "multi-component dietary supplement", "type": "DIETARY_SUPPLEMENT" } ], "intervention_types": [ "DIETARY_SUPPLEMENT" ], "sponsor": "ZeaVision, LLC", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 70, "start_date": "2012-05", "completion_date": "2014-09", "has_results": false, "last_update_posted_date": "2015-01-22", "last_synced_at": "2026-11-01T18:04:33.442Z", "location_count": 1, "location_summary": "Tacoma, Washington", "locations": [ { "city": "Tacoma", "state": "Washington" } ], "official_url": "https://clinicaltrials.gov/study/NCT01646047" }, { "nct_id": "NCT07055217", "title": "Effect of Mindfulness-based Neurofeedback for Adolescents With Elevated Repetitive Negative Thinking", "overall_status": "RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Repetitive Negative Thinking", "Neurofeedback" ], "interventions": [ { "name": "Mindfulness Training", "type": "BEHAVIORAL" }, { "name": "Mindfulness-based Neurofeedback (Real mbNF)", "type": "BEHAVIORAL" }, { "name": "Sham mindfulness-based neurofeedback (Sham mbNF)", "type": "BEHAVIORAL" } ], "intervention_types": [ "BEHAVIORAL" ], "sponsor": "Massachusetts General Hospital", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "13 Years", "maximum_age": "21 Years", "sex": "ALL", "summary": "13 Years to 21 Years" }, "enrollment_count": 100, "start_date": "2025-11-04", "completion_date": "2027-04", "has_results": false, "last_update_posted_date": "2026-05-19", "last_synced_at": "2026-11-01T18:04:33.442Z", "location_count": 1, "location_summary": "Boston, Massachusetts", "locations": [ { "city": "Boston", "state": "Massachusetts" } ], "official_url": "https://clinicaltrials.gov/study/NCT07055217" }, { "nct_id": "NCT06287801", "title": "Annual Wellness Visits vs GRACE-augmented Annual Wellness Visits For Older Adults With High Needs - Phase 1", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Healthy Aging", "Health Care Utilization", "Health-Related Behavior" ], "interventions": [ { "name": "Annual Wellness Visit", "type": "OTHER" }, { "name": "Geriatric Resources and Assessment for the Care of Elders", "type": "OTHER" } ], "intervention_types": [ "OTHER" ], "sponsor": "Massachusetts General Hospital", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "65 Years", "maximum_age": null, "sex": "ALL", "summary": "65 Years and older" }, "enrollment_count": 110, "start_date": "2024-08-29", "completion_date": "2025-07-18", "has_results": false, "last_update_posted_date": "2026-01-27", "last_synced_at": "2026-11-01T18:04:33.442Z", "location_count": 1, "location_summary": "Nashville, Tennessee", "locations": [ { "city": "Nashville", "state": "Tennessee" } ], "official_url": "https://clinicaltrials.gov/study/NCT06287801" }, { "nct_id": "NCT04820218", "title": "At-home Testing Refraction Results With Best Corrected Visual Acuity (BCVA) Outcomes in Adults", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Visual Impairment", "Myopia", "Hyperopia", "Astigmatism" ], "interventions": [ { "name": "With Try-on glasses", "type": "DEVICE" } ], "intervention_types": [ "DEVICE" ], "sponsor": "EyeQue Corp.", "sponsor_class": "INDUSTRY", "healthy_volunteers": true, "eligibility": { "minimum_age": "30 Years", "maximum_age": null, "sex": "ALL", "summary": "30 Years and older" }, "enrollment_count": 53, "start_date": "2021-04-21", "completion_date": "2023-01-20", "has_results": false, "last_update_posted_date": "2023-01-25", "last_synced_at": "2026-11-01T18:04:33.442Z", "location_count": 1, "location_summary": "Newark, California", "locations": [ { "city": "Newark", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT04820218" } ] }