Search clinical trials for: refractive astigmatism

Total 1819 results

Yune Zhao

Recruiting

Improved Operation of Low Intraocular Pressure in Phacoemulsification for Patients With High Myopia Complicated With Cataract

High Myopia | Low Intraocular Pressure

China
Tianjin Eye Hospital

Recruiting

Effects of Different Designs of Orthokeratology Lens on Myopia Control and Visual Quality

Myopic Progression

China
Xuhua Tan

Recruiting

Impact of Capsular Tension Ring Implantation on Intraocular Lens Position

Cataract | High Myopia

China
Visioneering Technologies, Inc

Recruiting

Progressive Myopia Treatment Evaluation for NaturalVue Multifocal Contact Lens Trial (PROTECT)

Myopia

United States, Canada, Hong Kong, Singapore
Luigi Rondas
European Society of Cataract and Refractive Surgeons

Recruiting

Effectiveness of Periocular Drug Injection in CATaract Surgery (EPICAT)

Eye Diseases | Macular Edema | Cataract | Lens Diseases | Retinal Disease | Cystoid Macular Edema

Netherlands, Austria, Germany, Portugal
Vissum, Instituto Oftalmológico de Alicante

Recruiting

Analysis of the Results of Intense Pulsed Light Treatment Previously to Laser Refractive Surgery

Meibomian Gland Dysfunction | Blepharitis

Spain
Visus Therapeutics

Recruiting

Safety and Efficacy Study of BRIMOCHOL™ PF and Carbachol PF in Subjects With Emmetropic Phakic and Pseudophakic Presbyopia

Presbyopia

United States
Vejle Hospital

Recruiting

Defocus (DIMS) Spectacles Versus Ortho-K Lenses (OKL) for Slowing Myopia Progression in Danish Children Aged 6-12 Years. (NISDO)

Myopia

Denmark
University of Houston

Not yet recruiting

Peripheral Choroidal Layer Response

Myopia
Vienna Institute for Research in Ocular Surgery

Recruiting

Rotational Stability of the TECNIS Eyhance Toric

Cataract

Austria
Tianjin Eye Hospital

Recruiting

Refractive Error in Chinese Students

Myopia

China
Wenzhou Medical University

Not yet recruiting

Influence of Capsular Tension Ring on IOL-capsular Complex After Cataract Surgery in Patients With High Myopia: a Clinical Observation Based on SS-OCT

Capsular Tension Ring | High Myopia

China
Fondation Ophtalmologique Adolphe de Rothschild
Ecouter Voir; Hoya Lens France

Recruiting

Myopia Control in Children: Comparison of Defocus Incorporated Multiple Segments® Lenses Versus Atropine 0.05% Eyedrops (ATROSMART)

Myopia

France
Ohio State University
University of Houston

Recruiting

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

Refractive Errors | Down Syndrome

United States
1800 Contacts, Inc.

Recruiting

Study to Evaluate the Reliability, Validity and Safety of Subjective Mobile Refraction

Refractive Errors

United States
59th Medical Wing

Recruiting

CONTOURA vs WFO Ablation PRK & LASIK

Refractive Surgery

United States
GuangZhou WeiShiBo Biotechnology Co., ltd

Recruiting

The Exploratory Clinical Trials on the Primary Safety and Effectiveness of High Myopic Posterior Scleral Fixation System

High Myopia | Macular Schisis

China
Reis Augenklinik AG

Not yet recruiting

Myopia Prevention With Reading Glasses (SMART2)

Myopia

Liechtenstein
Chulalongkorn University

Not yet recruiting

Efficacy and Safety of Astaxanthin in Volunteer With Refraction Errors

Refractive Errors
Optall Vision

Recruiting

Pilocarpine, Brimonidine, Oxymetazoline (PBO) Compound to Control Presbyopia Symptoms (PBO)

Presbyopia

Mexico
Rigshospitalet, Denmark

Recruiting

Optimizing Refractive Results and Patient Satisfaction After Cataract Surgery (ORAPSCA)

Cataract

Denmark
Optall Vision

Recruiting

Comparison of a Compound With Pilocarpine and Brimonidine to Improve Near Vision in Healthy Presbyopic Patients (PBOHB)

Presbyopia

Mexico
The Filatov Institute of Eye Diseases and Tissue...
Odessa National Medical University; Mykolaiv Region Ophthalmogical Hospital; Central... and other collaborators

Recruiting

Brolucizumab for CNV Associated With Pathologic Myopia (COASTUAbaCNV)

Pathologic Myopia

Ukraine
Kasr El Aini Hospital

Not yet recruiting

Contribution of SA and Coma to The Total Ocular HOA Before and After FS-LASIK Using An Aspheric Ablation Profile

FS-LASIK Surgery Effect on Higher Order Aberrations

Egypt
EyeQue Corp.
Sheba Medical Center

Recruiting

Study in Pediatric Volunteers of a Handheld Device Versus a Standard Diagnostic Device in Ophthalmic Refraction

Refractive Errors | Accomodation | Diagnostic Self Evaluation

Israel
Sohag University

Not yet recruiting

Comparison Between Different Investigations Used in Intraocular Lens Calculation in High Myopic Cataractous Patients

Calculation of Intraocular Lens in High Myopic Cataractous Patients
Aier School of Ophthalmology, Central South University

Recruiting

Evaluation of Visual Acuity in Myopic Cataract Patients Using Trifocal Intraocular Lens

Cataract | Myopia | Intraocular Lens

China
The Hong Kong Polytechnic University
The University of Hong Kong

Recruiting

Myopia Control Using Bright Light Therapy, Myopic Defocus and Atropine

Myopia

Hong Kong
Sunshine Guojian Pharmaceutical (Shanghai) Co.,...

Recruiting

601 Versus Ranibizumab in Patients With Pathological Myopic Choroidal Neovascularization (pmCNV)

Pathological Myopic Choroidal Neovascularization

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

Recruiting

Investigating the Safety and Effect of Overnight Orthokeratology and Its Influencing Factors

Myopia

China
Dar Al Shifa Hospital

Recruiting

Clinical Outcomes With a New Monofocal IOL Enhanced for Intermediate Vision

Presbyopia

Kuwait
Hanita Lenses

Recruiting

Influence of Clearing Open-capsule Device on Refractive Predictability in Cataract Patients

Cataract

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

Recruiting

Study of the Correlation Between Preoperative Precise Biometrics, Spatial Assessment and Postoperative Visual Quality in Cataract Patients

Recruitment of Participants

China
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
Assiut University

Not yet recruiting

Comparative Study in Measuring Anterior Chamber Depth

Error, Refractive
Brien Holden Vision Institute

Recruiting

Eye Length Signal With Myopia Control

Myopia

Vietnam
Khon Kaen University

Not yet recruiting

Physiologic Ocular Changes During Pregnancy in Women With High Myopia.

Pregnancy Related | High Myopia
Democritus University of Thrace
University of Thessaly

Recruiting

A Web-based Digital Distance Visual Acuity Test (DDVIT)

Refractive Errors | Vision Disorders | Low Vision

Greece
Zhongshan Ophthalmic Center, Sun Yat-sen University
The Second People's Hospital of Foshan; Tianjin Medical University Eye Center

Recruiting

Repeated Low-Level Red-Light Therapy and Orthokeratology in Fast-progressing Myopia Control

Eye Diseases | Refractive Errors | Myopia, Progressive

China
Icahn School of Medicine at Mount Sinai

Recruiting

Comparing Vision Tests in a Virtual Reality Headset to Existing Analogues (RTS1)

Macular Degeneration | Ametropia | Ptosis

United States
Shanghai Eye Disease Prevention and Treatment Center

Recruiting

The Effect and Safety of Different Doses of Atropine on Myopic Progression of Highly Myopic Children: Multi-centered Randomized Clinical Trial

High Myopia

China
Parkhurst NuVision Clinical Research LLC
Alcon Research

Recruiting

Panoptix Trifocal Lens in Post Refractive Myopic Laser Vision Correction Surgery

Refractive Errors | Cataract

United States
EyeQue Corp.

Recruiting

Handheld Device Compared With a Standard Eye Care Diagnostic Device in Measuring Ophthalmic Refraction

Refractive Errors | Vision Disorders

United States
Ophtec BV

Recruiting

Clinical Trial With Artiflex Presbyopic

Refractive Errors | Presbyopia | Myopia | Hyperopia | Ametropia

Korea, Republic of, Netherlands, Spain
Queen's University, Belfast
University of Michigan; Zhongshan Ophthalmic Center, Sun Yat-sen University; ... and other collaborators

Recruiting

PROductivity Study of Presbyopia Elimination in Rural-dwellers II (PROSPERII)

Presbyopia

India
Sun Yat-sen University

Recruiting

Myopic Optic Neuropathy in Chinese High Myopia Population

Eye Diseases

China
Sun Yat-sen University

Recruiting

Effect of Lowering IOP in Glaucoma Suspects With HM (GSHM)

High Myopia | Glaucoma, Suspect

China
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
Centre Hospitalier Universitaire de Saint Etienne

Recruiting

Atropine 0.01% Eyedrops for Evolutive Myopia Treatment in Children

Children | Myopia

France
The First Affiliated Hospital with Nanjing Medical...

Not yet recruiting

Choroidal Change on OCTA in Eyes With High Myopia

Myopia, Progressive | Choroid Disease

China

Search clinical trials for: refractive astigmatism

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