Search clinical trials for: Ocular aberrations

Total 15461 results

Sohag University

Not yet recruiting

Correlation of Angle Kappa , Corneal High Order Aberrations and Total Eye Aberrations in Various Refractive Errors

Aberration, Corneal Wavefront
Anova Enterprises, Inc

Recruiting

AnovaOS Network Powered Patient Registry

Neoplasms | Infectious Disease | External Causes of Morbidity and Mortality | Pregnancy, Childbirth and the Puerperium | Diseases of the Blood and Blood-Forming Organs and Certain Disorders Involving the Immune Mechanism (D50-D89) | Endocrine, Nutritional and Metabolic Diseases (E00-E89) | Mental... and other conditions

United States
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
Sanford Health
National Ataxia Foundation; Beyond Batten Disease Foundation; Pitt Hopkins Research... and other collaborators

Recruiting

Rare Disease Patient Registry & Natural History Study - Coordination of Rare Diseases at Sanford (CoRDS)

Mitochondrial Diseases | Retinitis Pigmentosa | Myasthenia Gravis | Eosinophilic Gastroenteritis | Multiple System Atrophy | Leiomyosarcoma | Leukodystrophy | Anal Fistula | Spinocerebellar Ataxia Type 3 | Friedreich Ataxia | Kennedy Disease | Lyme Disease | Hemophagocytic Lymphohistiocytosis | Spinocerebellar Ataxia... and other conditions

United States, Australia
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
Sanguine Biosciences

Completed

At-Home Research Study for Patients With Autoimmune, Inflammatory, Genetic, Hematological, Infectious, Neurological, CNS, Oncological, Respiratory, Metabolic Conditions

Depression | Melanoma | Epilepsy | Lymphoma | Multiple Sclerosis | Kidney Cancer | Cervical Cancer | Diabetes Mellitus | Leukemia | Breast Cancer | Chronic Kidney Diseases | Chronic Obstructive Pulmonary Disease | Parkinson's Disease | Systemic Lupus Erythematosus | Multiple Myeloma | Hepatitis B | Insomnia | Colorectal Cancer | HIV/AID... and other conditions

United States
Stanford University

Completed

LASIK Using the Alcon Allegretto Wavefront-Guided Excimer Laser vs AMO Visx Wavefront-Guided Excimer Laser (LASIK)

Astigmatism | Myopia

United States
Wrocław University of Science and Technology
Wroclaw Medical University

Active, not recruiting

Chromatic and Monochromatic Optical Aberrations After Corneal Refractive Surgery

Refractive Errors | Aberration, Corneal Wavefront

Poland
Wenzhou Medical University

Completed

The Influence of Meibomian Gland Expression on Corneal Aberrations in MGD Patients

Meibomian Gland Dysfunction

China
Research Insight LLC

Completed

Effect of Cequa Treatment on Accuracy of Pre-operative Biometry & Higher Order Aberrations in Dry Eye Patients Undergoing Cataract Surgery

Dry Eye Syndromes

United States
Saglik Bilimleri Universitesi Gazi Yasargil Training...

Completed

The Effect of Thyroid Hormon Levels on the Corneal Measures

Corneal Opacity | Thyroid Disorder

Turkey
Cairo University

Unknown

Postoperative Total Wavefront Pattern Between Two Types of Intraocular Lenses Implanted in Cataract Surgery

Cataract

Egypt
Wang Hongxia
Tianjin Eye Hospital

Unknown

Comparison of Anterior Corneal Optical Aberration Induced by CK and Hyperopic LASIK

Refractive Error

China
Alexandria University

Completed

Analysis of I-Trace High Order Aberrations Induced by Wavefront Optimized Ablation Profiles

Myopia

Egypt
University Hospital, Toulouse
Centre de Référence National du Kératocône

Terminated

Feasibility of Measurement of Optical Aberrations in Hyperopia by Using an Adaptive Optics Visual Simulator (AOVIS-I) (HyperVOPTICA)

Hyperopia

France
Menoufia University

Completed

Corneal WFG Versus AF Trans PRK in Myopic Patients With High Corneal HOA

Myopia
Tianjin Eye Hospital
Gansu Provincial Hospital; Health Science Center of Xi'an Jiaotong University; Xinjiang Medical University and other collaborators

Unknown

Multi-center Clinical Trial on Corneal Morphology Analysis in Chinese Population

Cornea

China
Fondation Ophtalmologique Adolphe de Rothschild

Completed

Visual and Optics Impact of Refractive Surgery (CRIVO)

Refractive Disorders

France
National Eye Institute (NEI)

Completed

Dry Eye in Women With Turner Syndrome and Women With Premature Ovarian Failure

Menopause | Turner Syndrome | Ovarian Failure, Premature | Sex Chromosome Aberrations | Perimenopause

United States
Medical University of Graz

Completed

Optical Quality After Implantation of a Spherical or Aspherical Intraocular Lens in Hypermetropic Patients

Cataract | Spherical Aberrations | Intraocular Lenses | Depth of Focus

Austria
Fred Hutchinson Cancer Center
National Cancer Institute (NCI)

Completed

Cyclophosphamide for Prevention of Graft-Versus-Host Disease After Allogeneic Peripheral Blood Stem Cell Transplantation in Patients With Hematological Malignancies

Stage III Multiple Myeloma | Chronic Myelomonocytic Leukemia | Recurrent Adult Acute Myeloid Leukemia | Extranodal Marginal Zone B-cell Lymphoma of Mucosa-associated Lymphoid Tissue | Nodal Marginal Zone B-cell Lymphoma | Recurrent Adult Burkitt Lymphoma | Recurrent Adult Diffuse Large Cell Lymphoma and other conditions

United States
Gina Rogers

Withdrawn

Tears Substitutions and Their Effects on Higher Order Aberrometery

Dry Eye Syndrome

United States
University Hospital, Toulouse

Terminated

Measurement of High Order Aberrations in Late Stages Keratoconus (VOPTICA)

Keratoconus

France
Queen's University

Withdrawn

Study of the Effect of Aspheric Lenses in Patients With Fuch's Dystrophy

Cataracts | Fuch's Endothelial Dystrophy

Canada
University of Texas Southwestern Medical Center

Completed

Comparison of Higher Order Aberrations and Contrast Sensitivity Between Acrysof SN60AT, SN60WF and Restore Intraocular Lenses

Refractive Errors

United States
Bausch & Lomb Incorporated

Completed

A Clinical Evaluation of the Next Generation Diagnostic Instrument (NGDI)

Healthy

United States
Alcon Research

Completed

A Comparative Pilot Study Of High-Order Aberrations With Aspheric IOL Models SN60WF and ZCB00

Cataracts

United States
Alcon Research

Completed

An Assessment of Residual Spherical Aberration, Postoperative Total High Order Aberrations, and Functional Vision Correlation Following Intraocular Lens (IOL) Implantation

Cataracts

United States
Alcon Research

Completed

A Comparison of Corneal Aberrations in Subjects With Contralateral AcrySof IQ Toric Intraocular Lens (IOL) and AcrySof IQ IOL With Limbal Relaxing Incision (LRI)

Cataract | Astigmatism

United States
Alcon Research

Withdrawn

Investigation of Corneal Aberrations and Visual Outcomes in Patients Implanted With an AcrySof Toric Intraocular Lens (IOL)

Astigmatism | Cataracts
Alcon Research

Withdrawn

Comparison of Corneal Aberrations and Visual Outcomes in AcrySof IQ Toric Patients Versus Limbal Relaxing Incision (LRI) Patients

Cataracts

United States
Democritus University of Thrace

Completed

Accuracy of Curvature and Wavefront Aberrations of Posterior Corneal Surface, in Keratoconic and Post-CXL Corneas

Keratoconus

Greece
Ramathibodi Hospital

Completed

Sodium Hyaluronate and Wavefront Aberrations in Dry Eyes

Dry Eye

Thailand
University of Texas Southwestern Medical Center

Terminated

A Prospective Clinical Research Project Evaluating The Effects of Soft Contact Lenses on Higher Order Visual Aberrations

Ocular Refractive Aberrations

United States
University of Sao Paulo

Completed

Wavefront Analysis and Contrast Sensitivity After Cataract Surgery With Akreos Advanced Optics Intraocular Lens Implantation

Lens Implantation, Intraocular

Brazil
Walter Reed Army Medical Center

Completed

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

Refractive Errors

United States
Shahid Beheshti University of Medical Sciences

Completed

Spherical Aberration and Contrast Sensitivity Function in Eyes Implanted With Spherical and Aspheric Intraocular Lenses: A Clinical Trial

Cataract

Iran, Islamic Republic of
National Human Genome Research Institute (NHGRI)

Completed

Genetic Analysis of Fraser Syndrome and Fryns Syndrome

Abnormalities, Multiple | Fraser Syndrome | Fryns Syndrome | Chromosomal Abnormalities

United States
Clinact
Association CRO - Tous unis pour la vision

Recruiting

Research Into Diagnostic and Prognostic Molecular and Imaging Biomarkers of Ocular Disorders Associated With Neurovascular Deregulation: Biocor Cohort (BIOCOR)

Ocular Rosacea | Pachychoroid Disease

France
Shanghai BDgene Co., Ltd.
Beijing Tongren Hospital

Recruiting

CRISPR/Cas9 Instantaneous Gene Editing Therapy to Intraocular Hypertensive POAG With MYOC Mutation

Primary Open Angle Glaucoma

China
University Hospital, Montpellier
McGill University Health Centre/Research Institute of the McGill University...

Not yet recruiting

Effect of Binocular Treatment Using a Dichoptic Reading Application in Children With Convergence Insufficiency. (ALEDICE)

Ophthalmological Disorder
Medical University of Vienna

Not yet recruiting

Personalized Shared Eye-care Identification of Age-related Macular Degeneration Using Artificial Intelligence and Telemedicine in a Prospective, Exploratory, Multinational, Multicentre Cross-sectional Study Matching Optometrist Office-based Sites With Clinical Supervision (PYRENEES)

Age-Related Macular Degeneration
OFFHEALTH S.p.A.

Not yet recruiting

LUTEIN BY SCLERAL IONTOPHORESIS IN PATIENTS WITH STAGE 3 AGE-RELATED MACULAR DEGENERATION (AMD)

DML Stage 3
IVIEW Therapeutics Inc.

Not yet recruiting

Trial to Evaluate the Efficacy And Safety of IVIEW-1201 In the Treatment of Fungal Keratitis

Fungal Keratitis
Alcon Research

Not yet recruiting

Post-market Clinical Follow-up Study of Alcon PRECISION1™ Spherical and PRECISION1™ for Astigmatism Soft Contact Lenses

Refractive Errors
Riphah International University

Recruiting

Effects of Power Ball on Proximal Muscle and Refractive Errors in Developmental Delay.

Developmental Delay

Pakistan
Alcon Research

Not yet recruiting

Clinical Performance Evaluation of Two Frequent Replacement Silicone Hydrogel Multifocal Toric Contact Lenses

Presbyopia | Astigmatism

United States
Democritus University of Thrace

Recruiting

Visual Outcomes After Extended Depth of Focus Intraocular Lens Implantation With and Without Digital Assistance

Refractive Errors | Cataract | Presbyopia | Pseudophakia

Greece
Ray Therapeutics, Inc.

Not yet recruiting

Study to Evaluate Safety of RTx-015 Injection in Retinitis Pigmentosa Patients

Retinitis Pigmentosa

United States
Sven Schneider, MD

Not yet recruiting

Factors Determining Tolerance to Nasal Allergen Exposure With Advanced Age in a Subset of Birch Pollen Allergic Subjects (AllergyAge)

Allergic Rhinitis | Allergic Conjunctivitis

Austria

Search clinical trials for: Ocular aberrations

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