Search clinical trials for: Refractive error correction

Total 5734 results

Assiut University

Not yet recruiting

Correction of Refractive Error Surprises After Cataract Surgery in Adults

Refractive Errors
Loay Abdulmutalib Almusawi

Recruiting

Safety and Suitability of ICL for Correction of Refractive Errors Without the Use of Dispersive OVDs

Refractive Errors | Myopia | Hypermetropia | Myopic Astigmatism

Iraq
Allotex, Inc.

Recruiting

Safety and Efficacy of an Intrastromal Transform Corneal Allograft (TCA) for Presbyopia Correction - Long Term Follow-up

Presbyopia

Czechia, Ireland, Turkey, United Kingdom
Bausch & Lomb Incorporated

Not yet recruiting

A Study to Evaluate the Safety and Efficacy of the Bausch + Lomb Myopia Control Lens for the Correction of Myopic Ametropia and Slowing the Progression of Myopia in Children

Myopia

China
Democritus University of Thrace

Recruiting

Identification of Minimum Focal Points in Vision Curve Formation

Refractive Errors | Cataract | Presbyopia | Pseudophakia

Greece
Tianjin Eye Hospital

Recruiting

Evaluation of the Safety and Efficacy of Rigid Breathable Scleral Contact Lenses for the Correction of Ametropia

Corneal Astigmatism | Ocular Surface Disease | Contact Lens Complication | Irregular Astigmatism

China
Tianjin Eye Hospital
Beihang University

Recruiting

A Study of Artificial Intelligence Assisted Small Incision Lenticule Extraction (SMILE) for Surgical Design and Influencing Factors

Myopia | Myopic Astigmatism

China
Second Affiliated Hospital, School of Medicine,...

Recruiting

Femtosecond Laser Arcuate Keratotomy Versus Toric Intraocular Lens Implantation in Cataract Surgery

Cataract | Astigmatism

China
University of Minnesota
Innovations for Poverty Action; Peek Vision; Vision Action

Recruiting

Seeing to Learn in Sierra Leone (SLII)

Refractive Errors

Sierra Leone
Al Watany Eye Hospital

Recruiting

Evaluation of Different Lenticule Diameters in Myopic Astigmatism Correction With SMILE Procedures

Refractive Errors | Myopic Astigmatism

Egypt
Beijing Airdoc Technology Co., Ltd.
Eye & ENT Hospital of Fudan University

Recruiting

Clinical Study of Light Therapy to Control Myopia Progression in Children

Myopia, Progressive

China
Beijing Airdoc Technology Co., Ltd.
The First People's Hospital of Xuzhou

Recruiting

Myopia Control Combined PBM With Myopic Defocus Lens in Children

Myopia, Progressive

China
Sohag University

Not yet recruiting

Limbal Relaxing Incisions Versus Paired 4 mm Clear Corneal Incisions on Steep Meridian During Phacoemulsification (LRI-CCI)

Corneal Astigmatism
Benha University

Recruiting

Correction of Anisometropic Amblyopia in Children.

Refractive Errors | Amblyopia | Anisometropic Amblyopia | Anisometropia and Aniseikonia

Egypt
Advanced Vision Care
Clinical Research Consultants, Inc.

Recruiting

Accuracy of IOLMASTER 700 Total Keratometry (TK)

Cataract | Myopia | Hyperopia

United States
Ziemer Ophthalmic Systems AG
Tigermed Consulting Co., Ltd

Recruiting

Efficacy and Safety of CLEAR in Myopia and Astigmatism in Chinese Population

Myopic Astigmatism

China
Ohio State University
University of Houston

Recruiting

Dilated Versus Non-Dilated Wavefront Corrections for Patients With Down Syndrome

Refractive Errors | Down Syndrome

United States
Assiut University

Not yet recruiting

Laser Correction of Astigmatism Using Vector Analysis

Astigmatism
University of Bern

Not yet recruiting

Characterization of the Corneal Biomechanics of Patients Treated by Corneal Lenticule Extraction for Advanced Refractive Correction (CLEAR) to Correct Myopia (CLEAR Biomech)

Myopia

Switzerland
Parkhurst NuVision Clinical Research LLC
Alcon Research

Recruiting

Panoptix Trifocal Lens in Post Refractive Myopic Laser Vision Correction Surgery

Refractive Errors | Cataract

United States
Peking University Third Hospital
People's Hospital of Guangxi

Recruiting

Prospective Clinical Study of Different Intraocular Lens Implantation Designed for the Correction of Presbyopia

Presbyopia | Cataract Senile

China
Johnson & Johnson Surgical Vision, Inc.

Recruiting

Clinical Investigation of the CHEETAH SYSTEM FOR THE CORRECTION OF MYOPIA WITH AND WITHOUT ASTIGMATISM

Astigmatism | Myopia

Croatia, India, Italy, Singapore
Suphi Taneri

Recruiting

Clinical Results of Small Incision Lenticule Extraction (SMILE) for the Correction of High Myopia

Myopia | High Myopia

Germany
Cornea and Laser Eye Institute

Active, not recruiting

Wavefront Guided Scleral Lenses for Keratoconus and Irregular Astigmatism (WFG Sclerals)

Keratoconus | Corneal Ectasia | Irregular Astigmatism | Aberration, Corneal Wavefront | Wavefront Aberration, Corneal | Pellucid Marginal Corneal Degeneration | Keratoglobus

United States
London Vision Clinic

Completed

VisuMax Femtosecond Laser Small Incision Lenticule Extraction for the Correction of High Myopia

Refractive Errors | Myopia

United Kingdom
Orasis Pharmaceuticals Ltd.

Completed

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

Presbyopia

United States
Orasis Pharmaceuticals Ltd.

Completed

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

Presbyopia

United States
Moorfields Eye Hospital NHS Foundation Trust

Completed

Multifocal-toric IOL Compared to Multifocal IOL Combined With Limbal Relaxing Incisions for Correction of Moderate Astigmatism During Cataract Surgery

Cataract | Astigmatism | Cornea
Queen's University, Belfast
University of Ulster; University of Zimbabwe; L.V. Prasad Eye Institute; Clearly; New England College of Optometry and other collaborators

Completed

Zimbabwe Eyecare And Learning(ZEAL):Formative Research on Hyperopia and Educational Outcomes in Primary School Children (ZEAL)

Hyperopia | Long Sight

Zimbabwe
Allotex, Inc.

Terminated

Safety and Efficacy of an Intrastromal Transform™ Corneal Allograft (TCA) for Presbyopia Correction

Presbyopia

Belgium, Ireland, United Kingdom
Yung Sheng Optical Co., Ltd.

Completed

A Prospective, Randomized, Double-blind, Parallel, Active-controlled Clinical Study of Silicone Hydrogel Monthly Soft Contact Lens for the Safety and Effectiveness in Visual Correction.

Myopia

Taiwan
Coopervision, Inc.

Completed

Quantification of the Visual Benefits of Soft Toric Contact Lenses Compared to Soft Spherical Contact Lenses

Astigmatism

United Kingdom
University of Nebraska

Completed

First-Sight Refractive Error Correction in the Developing World

Vision Loss

United States, Haiti
University of Nebraska

Terminated

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

Refractive Error

United States
Alcon Research

Completed

Pilot Clinical Performance of a Silicone Hydrogel Lens for Up to Six Nights of Extended Wear

Refractive Errors | Myopia | Hyperopia

United States
Democritus University of Thrace

Completed

Comparison of Premium Monovision and Bilateral Implantation of Trifocal Diffractive Intraocular Lenses

Refractive Errors | Cataract | Presbyopia

Greece
OFTALVIST (Oftalmología Vistahermosa S.L)
Johnson & Johnson Surgical Vision, Inc.

Completed

Astigmatism Correction With Intrastromal Arcuate Incisions in Eyes Undergoing Cataract Surgery With Femtosecond Laser Using the Cassini Ambient With Iris Registration (ARCUATAS) (ARCUATAS)

Cataract | Astigmatism

Spain
Pawel Matusz, PhD
University Hospital, Geneva; University of Lausanne Hospitals; Eye Hospital Jules...

Active, not recruiting

Amblyopia and Stereoptic Games for Vision (AMBER)

Healthy | Amblyopia

Switzerland
SIFI SpA

Completed

Non-comparative Trial Following Participants Implanted Bilaterally With Mini WELL Toric Ready Intraocular Lens for 6 Months After the Second Eye Implant (FUSION) (FUSION)

Astigmatism | Bilateral Cataract

Spain, France, Germany
Ohio State University
American Academy of Optometry; Transitions; Ohio Lions Eye Research Foundation; College of Optometrists in Vision Development and other collaborators

Completed

Correction of Farsightedness in Children Study (CHICS)

Hyperopia | Farsightedness

United States
LinkoCare Life Sciences AB

Active, not recruiting

Evaluation of Safety and Efficacy of Intrastromal Implantation of CorVision® Bioengineered Corneal Inlay for Correction of Presbyopia. (CorVision)

Presbyopia

Czechia
Central Hospital, Nancy, France

Completed

Effect of Orthokeratology on Myopia Progression in French Children

Myopia Progression

France
Democritus University of Thrace

Completed

Impact of Personality on Satisfaction Following Presbyopic Correction

Presbyopia | Patient Satisfaction | Personality

Greece
Great Ormond Street Hospital for Children NHS Foundation...
University College London Hospitals; University College, London; University of... and other collaborators

Active, not recruiting

Babies in Glasses; a Feasibility Study. (BiG)

Premature Birth | Hypoxic-Ischemic Encephalopathy | Cerebral Visual Impairment | Refractive and Accommodative Disorders

United Kingdom
Johnson & Johnson Vision Care, Inc.

Completed

Evaluation of A Marketed Silicone Hydrogel Spherical Lens Used for Monovision Correction of Presbyopia

Visual Acuity

United States
Alcon Research

Completed

Clinical Evaluation of a Daily Wear Frequent Replacement Silicone Hydrogel Lens

Refractive Errors

United States
Laclaree
Iris Pharma

Completed

Pilot Clinical Investigation of Adaptative Eyeglasses for the Correction of Presbyopia (eve-1)

Presbyopia

France
Alcon Research

Completed

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

Refractive Errors

United States
Aristotle University Of Thessaloniki
State Scholarships Foundation

Completed

Part-time Versus Full-time Spectacles for Myopia Control (ParMA Study)

Myopia

Greece
Abbott Medical Optics

Completed

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

Hyperopia

United States

Search clinical trials for: Refractive error correction

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