Independent directory Public ClinicalTrials.gov records United States
Clinical Trials Finder
Objective public record navigation
Search Results

Search by objective public record fields.

Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results are retrieved from ClinicalTrials.gov and synchronized into the directory. Search pages remain noindex by default.

Clear filters
ClinicalTrials.gov public records Last synced Jul 22, 2026, 6:49 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 25–45 of 21 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Condition: Refractive Error Correction Clear all
Completed No phase listed Observational Results available

Observational Study of Optical Correction for Strabismic Amblyopia in Children 3 to <7 Years Old

NCT00669539
View directory record Official record
Conditions
Amblyopia
Interventions
Not listed
Lead sponsor
Jaeb Center for Health Research
Other
Eligibility
3 Years to 6 Years
Enrollment
156 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
Fullerton, California
Source: ClinicalTrials.gov public record
Updated Jul 12, 2016 · Synced Jul 22, 2026, 6:49 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Safety and Effectiveness Study of the MEL 80 Excimer Laser Using LASIK in the Treatment of Hyperopia

NCT00762281
View directory record Official record
Conditions
Hyperopia
Interventions
MEL 80 Hyperopic LASIK Treatment
Device
Lead sponsor
Carl Zeiss Meditec, Inc.
Industry
Eligibility
21 Years and older
Enrollment
189 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2008
U.S. locations
6
States / cities
San Diego, California • Greenwood Village, Colorado • Kansas City, Missouri + 3 more
Source: ClinicalTrials.gov public record
Updated Aug 12, 2012 · Synced Jul 22, 2026, 6:49 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

First-Sight Refractive Error Correction in the Developing World

NCT01598818
View directory record Official record
Conditions
Vision Loss
Interventions
Not listed
Lead sponsor
University of Nebraska
Other
Eligibility
7 Years to 50 Years
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Aug 31, 2023 · Synced Jul 22, 2026, 6:49 AM EDT
Completed Not applicable Interventional Results available

Clinical Evaluation of a Daily Wear Monthly Replacement Silicone Hydrogel Lens

NCT04178720
View directory record Official record
Conditions
Refractive Errors
Interventions
Lehfilcon A contact lenses, Comfilcon A contact lenses, CLEAR CARE
Device
Lead sponsor
Alcon Research
Industry
Eligibility
18 Years and older
Enrollment
119 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
8
States / cities
Longwood, Florida • Maitland, Florida • Orlando, Florida + 4 more
Source: ClinicalTrials.gov public record
Updated Oct 18, 2021 · Synced Jul 22, 2026, 6:49 AM EDT
Completed Not applicable Interventional Results available

Clinical Trial of a Hydrophilic EMV Toric Lens RAO210T in the Correction of Aphakia and Corneal Astigmatism

NCT05985304
View directory record Official record
Conditions
Cataract, Corneal Astigmatism
Interventions
RayOne EMV Toric IOL, RayOne Monofocal IOL, Cataract Surgery
Device · Procedure
Lead sponsor
Rayner Intraocular Lenses Limited
Industry
Eligibility
22 Years and older
Enrollment
274 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
9
States / cities
Fayetteville, Arkansas • Grand Junction, Colorado • Alexandria, Minnesota + 6 more
Source: ClinicalTrials.gov public record
Updated Jan 20, 2026 · Synced Jul 22, 2026, 6:49 AM EDT
Completed Phase 3 Interventional Results available

An Evaluation of the Efficacy and Safety of CSF-1 in the Temporary Correction of Presbyopia (NEAR-2)

NCT04599972
View directory record Official record
Conditions
Presbyopia
Interventions
CSF-1, Vehicle
Drug
Lead sponsor
Orasis Pharmaceuticals Ltd.
Industry
Eligibility
45 Years to 64 Years
Enrollment
304 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
18
States / cities
Chandler, Arizona • Mesa, Arizona • Phoenix, Arizona + 15 more
Source: ClinicalTrials.gov public record
Updated Apr 3, 2024 · Synced Jul 22, 2026, 6:49 AM EDT
Completed Not applicable Interventional

Clinical Evaluation and Comparison of the Tecnis Symfony Optiblue and Tecnis Symfony IOLs

NCT06567834
View directory record Official record
Conditions
Cataract, Presbyopia
Interventions
Tecnis Symfony Optiblue/Tecnis Symfony Optiblue Toric (Models ZXR00V/ZXW150), Tecnis Symfony/Tecnis Symfony Toric (Models ZXR00/ZXT150)
Device
Lead sponsor
Empire Eye and Laser Center
Other
Eligibility
22 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Bakersfield, California
Source: ClinicalTrials.gov public record
Updated Aug 22, 2024 · Synced Jul 22, 2026, 6:49 AM EDT
Completed Not applicable Interventional Results available

Clinical Performance of a Silicone Hydrogel Contact Lens Following One Night of Extended Wear

NCT03560141
View directory record Official record
Conditions
Refractive Errors
Interventions
LID011121 contact lens, Comfilcon A contact lens
Device
Lead sponsor
Alcon Research
Industry
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018
U.S. locations
1
States / cities
Johns Creek, Georgia
Source: ClinicalTrials.gov public record
Updated Jul 27, 2021 · Synced Jul 22, 2026, 6:49 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Prospective Comparison of Alcon LADARVision Wavefront-guided LASIK Enhancement and Conventional LASIK Enhancement for the Correction of Residual Refractive Errors Following LASIK Procedures

NCT00413881
View directory record Official record
Conditions
Refractive Errors
Interventions
WAVEFRONT- GUIDED LASIK ENHANCEMENT, CONVENTIONAL LASIK ENHANCEMENT
Procedure
Lead sponsor
Walter Reed Army Medical Center
Federal
Eligibility
21 Years and older
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2008
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Jan 13, 2010 · Synced Jul 22, 2026, 6:49 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Study of the MEL 80 Excimer Laser Using LASIK in the Treatment of Mixed Astigmatism

NCT00761826
View directory record Official record
Conditions
Mixed Astigmatism
Interventions
MEL 80 Mixed Astigmatism Treatment
Device
Lead sponsor
Carl Zeiss Meditec, Inc.
Industry
Eligibility
18 Years and older
Enrollment
126 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2009
U.S. locations
5
States / cities
San Diego, California • Greenwood Village, Colorado • Kansas City, Missouri + 2 more
Source: ClinicalTrials.gov public record
Updated Jul 18, 2018 · Synced Jul 22, 2026, 6:49 AM EDT
Completed Not applicable Interventional Results available

Clinical Evaluation of a Silicone Hydrogel Daily Wear Monthly Replacement Contact Lens

NCT04422990
View directory record Official record
Conditions
Refractive Errors
Interventions
Lehfilcon A contact lenses, Comfilcon A contact lenses, CLEAR CARE
Device
Lead sponsor
Alcon Research
Industry
Eligibility
18 Years and older
Enrollment
158 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
14
States / cities
Los Angeles, California • Novato, California • Oakland, California + 10 more
Source: ClinicalTrials.gov public record
Updated Mar 28, 2022 · Synced Jul 22, 2026, 6:49 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Evaluation Study on Corneal Lens for Vision Correction

NCT02053688
View directory record Official record
Conditions
Astigmatism
Interventions
Astigmatic Correction Lens (Nexis ACCL lenses), Toric Soft Contact Lenses
Device
Lead sponsor
FORSIGHT Vision3
Industry
Eligibility
18 Years to 65 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013
U.S. locations
6
States / cities
Fremont, California • Livermore, California • Menlo Park, California + 2 more
Source: ClinicalTrials.gov public record
Updated Feb 3, 2014 · Synced Jul 22, 2026, 6:49 AM EDT
Terminated No phase listed Observational Accepts healthy volunteers

First-Sight Refractive Error Correction: Direct Comparison to Autorefraction Results in Children 7 to 18 Years of Age

NCT01365884
View directory record Official record
Conditions
Refractive Error
Interventions
Not listed
Lead sponsor
University of Nebraska
Other
Eligibility
7 Years to 18 Years
Enrollment
2 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2014
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Aug 27, 2023 · Synced Jul 22, 2026, 6:49 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Study of the MEL 80 Excimer Laser Using LASIK in the Treatment of Moderate to High Myopia

NCT00762541
View directory record Official record
Conditions
Myopia
Interventions
MEL 80 Treatment of High Myopia
Device
Lead sponsor
Carl Zeiss Meditec, Inc.
Industry
Eligibility
18 Years and older
Enrollment
129 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2009
U.S. locations
5
States / cities
San Diego, California • Greenwood Village, Colorado • Kansas City, Missouri + 2 more
Source: ClinicalTrials.gov public record
Updated Jul 18, 2018 · Synced Jul 22, 2026, 6:49 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Wavefront Guided Scleral Lenses for Keratoconus and Irregular Astigmatism

NCT04698590
View directory record Official record
Conditions
Keratoconus, Irregular Astigmatism, Corneal Ectasia, Aberration, Corneal Wavefront, Wavefront Aberration, Corneal, Pellucid Marginal Corneal Degeneration, Keratoglobus
Interventions
Wavefront Guided Scleral Lenses, Traditional Scleral Lenses
Device
Lead sponsor
Cornea and Laser Eye Institute
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2025
U.S. locations
1
States / cities
Teaneck, New Jersey
Source: ClinicalTrials.gov public record
Updated May 2, 2024 · Synced Jul 22, 2026, 6:49 AM EDT
Completed Not applicable Interventional Results available

Clinical Evaluation of a Daily Wear Frequent Replacement Silicone Hydrogel Lens

NCT03920280
View directory record Official record
Conditions
Refractive Errors
Interventions
LID015385 contact lenses, Comfilcon A soft contact lenses, CLEAR CARE
Device
Lead sponsor
Alcon Research
Industry
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019
U.S. locations
8
States / cities
Maitland, Florida • Orlando, Florida • Pensacola, Florida + 5 more
Source: ClinicalTrials.gov public record
Updated Jul 27, 2022 · Synced Jul 22, 2026, 6:49 AM EDT
Not listed Not applicable Interventional

Astigmatism Management With Iris-registration Guided Corneal Relaxing Incisions or Toric IOLs During Cataract Surgery

NCT05561296
View directory record Official record
Conditions
Astigmatism, Cataract
Interventions
Femtosecond laser assisted cataract surgery with astigmatism management
Procedure
Lead sponsor
Kenneth J Rosenthal
Other
Eligibility
18 Years to 95 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 29, 2022 · Synced Jul 22, 2026, 6:49 AM EDT
Recruiting Phase 3 Interventional

Phase III Presbyopia Correction Using the VIS Opti-K™ System

NCT06487897
View directory record Official record
Conditions
Presbyopia
Interventions
Optimal laser keratoplasty
Device
Lead sponsor
VIS, Inc.
Industry
Eligibility
40 Years and older
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
4
States / cities
Boca Raton, Florida • South Dartmouth, Massachusetts • Teaneck, New Jersey + 1 more
Source: ClinicalTrials.gov public record
Updated Sep 4, 2024 · Synced Jul 22, 2026, 6:49 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

High Refractive Index Material 510(k)

NCT00766168
View directory record Official record
Conditions
Myopia, Hyperopia
Interventions
HDS HI 1.54; pahrifocon A, FluoroPerm 30 RGP; paflufocon C
Other · Device
Lead sponsor
CooperVision International Limited (CVIL)
Industry
Eligibility
12 Years and older
Enrollment
76 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008
U.S. locations
8
States / cities
Lake Elsinore, California • Englewood, Colorado • East Lansing, Michigan + 5 more
Source: ClinicalTrials.gov public record
Updated Jun 13, 2012 · Synced Jul 22, 2026, 6:49 AM EDT
Completed Phase 3 Interventional

Correction of Myopia Evaluation Trial (COMET)

NCT00000113
View directory record Official record
Conditions
Myopia
Interventions
Progressive Addition Lenses, single vision lenses
Other
Lead sponsor
Stony Brook University
Other
Eligibility
6 Years to 12 Years
Enrollment
469 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1997 – 2013
U.S. locations
4
States / cities
Birmingham, Alabama • Boston, Massachusetts • Philadelphia, Pennsylvania + 1 more
Source: ClinicalTrials.gov public record
Updated Apr 14, 2016 · Synced Jul 22, 2026, 6:49 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Safety and Effectiveness of Wavefront-Guided LASIK Correction of Hyperopic Refractive Errors

NCT01675479
View directory record Official record
Conditions
Hyperopia
Interventions
LASIK correction of hyperopic refractive errors
Device
Lead sponsor
Abbott Medical Optics
Industry
Eligibility
18 Years and older
Enrollment
167 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2016
U.S. locations
9
States / cities
Los Angeles, California • Miami, Florida • Chicago, Illinois + 6 more
Source: ClinicalTrials.gov public record
Updated Dec 14, 2021 · Synced Jul 22, 2026, 6:49 AM EDT