Search clinical trials for: ocular aberrations

Total 15390 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
Priovant Therapeutics, Inc.

Not yet recruiting

A Phase 3 Study of Brepocitinib in Adults With Active, Non-Infectious, Non-Anterior Uveitis (CLARITY) (CLARITY)

Uveitis | Uveitis, Posterior | Uveitis, Intermediate
IRCCS Policlinico S. Matteo
Federico II University; University of Roma La Sapienza

Recruiting

Effect of Fixed Combination Citicoline Homotaurine and Pyrroloquinoline Quinone on PERG in Glaucomas

Glaucoma | Neuroprotection

Italy
Zhongshan Ophthalmic Center, Sun Yat-sen University
West China Hospital; Beijing Tongren Hospital; Eye & ENT Hospital of Fudan University and other collaborators

Not yet recruiting

Vision Test App and Questionnaire for 1-Week Post-Cataract Surgery Follow-Up: A Multi-Center Randomized Controlled Trial

Cataract Senile
Carl Zeiss Meditec AG

Not yet recruiting

Evaluation of a Monofocal Intraocular Lens (PRECISE)

Cataract
Novartis Pharmaceuticals

Not yet recruiting

Clinical Study of Asciminib in Previously Treated Indian Patients With Ph+ CML-CP Without T315I Mutation and in Patients With Ph+ CML-CP With T315I Mutation (ASC4INDIA)

Philadelphia Chromosome-Positive Chronic Myeloid Leukemia in Chronic Phase
Seoul National University Hospital

Not yet recruiting

Investigator-initiated Clinical Trial to Observe Conjunctival Goblet Cell Using an Anterior Segment Imaging Device

Ocular Surface Disease
Luminopia

Recruiting

Clinical Data Registry of Amblyopia Patients on Luminopia Treatment

Amblyopia

United States
Bayer

Not yet recruiting

A Study to Learn About the Safety of BAY3283142 in People With Mild to Moderate High Blood Pressure

Chronic Kidney Disease | Arterial Hypertension | Non-proliferative Diabetic Retinopathy

Germany
Essen Biotech

Not yet recruiting

Sequential CAR-T Cells Targeting BCMA/CD19 in Patients With Relapsed/ Refractory Autoimmune Diseases (BAH247)

Autoimmune Diseases | Systemic Lupus Erythematosus | Sjogren's Syndrome | Systemic Lupus Erythematosus Acute

China
Taejoon Pharmaceutical Co., Ltd.

Recruiting

Comparing Efficacy and Safety of TJO-083 in Dry Eye Diseases Patients

Dry Eye | Dry Eye Syndromes

Korea, Republic of
Medical University of South Carolina

Recruiting

tFUS Induced Transient Scotoma for Individual Dosing

Healthy

United States
Xiao-Ming Mao
National Natural Science Foundation of China

Not yet recruiting

Graves' Disease Induced by Epstein-Barr Virus Lytic Reactivation

Graves Disease | Epstein-Barr Virus | Graves' Disease in Remission

China

Search clinical trials for: ocular aberrations

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