Search clinical trials for: Naturally occurring myopia with or without astigmatism

Total 282676 results

Walter Reed Army Medical Center

Completed

Evaluation of Epi-lasik in U.S. Army Personnel

Myopia

United States
Walter Reed Army Medical Center

Completed

Initial Evaluation of Photorefractive Keratectomy in U.S. Army Personnel

Myopia

United States
United States Naval Medical Center, San Diego
Walter Reed Army Medical Center

Withdrawn

Evaluation of Alcon Ladarvision Wavefront-Guided PRK

Myopia

United States
Walter Reed Army Medical Center
United States Naval Medical Center, San Diego

Completed

Evaluation of Conventional Photorefractive Keratectomy (PRK) in U.S. Army Personnel, Substudy of: Initial Evaluation of Excimer Laser Keratorefractive Surgery in U.S. Army Personnel

Myopia

United States
Abbott Medical Optics

Completed

Prospective S&E Study of Wavefront-guided PRK for Myopia With iDesign Advanced Wavescan Studio™ System and Star S4 IR™

Stable Myopic Refractive Error, With or Without Astigmatism

United States
Carl Zeiss Meditec, Inc.

Completed

Correction of Myopia Wtih or Without Astigmatism Using the VisuMax™ Femtosecond Laser

Astigmatism | Myopia

United States
Kasr El Aini Hospital

Completed

Topography-Guided Customized PRK Versus Q-value Adjusted PRK in Correction of Myopia With or Without Astigmatism

Myopia

Egypt
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
Beijing Airdoc Technology Co., Ltd.
University of Notre Dame Australia

Recruiting

Software Refraction With Mobilerone Versus Retinoscopy (SRMR)

Astigmatism | Myopia | Myopia, Moderate

China
Bausch & Lomb Incorporated

Recruiting

Safety and Effectiveness of the TENEO 317 Model 2 (1.28 US) Excimer Laser for Laser In Situ Keratomileusis (LASIK) Surgery to Treat Hyperopia With or Without Astigmatism

Hyperopia

United States
Ziemer Ophthalmic Systems AG

Recruiting

LASIK Surgery With a New Laser for the Treatment of Myopia Without Astigmatism (AQUARIUZ2020)

Astigmatism | Myopia

Switzerland
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
The S.N. Fyodorov Eye Microsurgery State Institution
Alcon Research

Completed

Evaluation of Axial Stability of Two Models of Intraocular Lenses in Patients With an Eye Length More Than 26 mm

Corneal Astigmatism | Cataract Senile | Myopia, High-Grade

Russian Federation
Carl Zeiss Meditec, Inc.

Active, not recruiting

Post-approval Study of New Enrolment Patients Undergoing Bilateral Treatment With the VisuMax SMILE Procedure

Astigmatism | Myopia

United States
Alcon Research

Completed

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

Astigmatism | Myopia | Hyperopia | Ametropia

United States
Carl Zeiss Meditec AG
In Vitro Research Solutions Pvt Ltd (iVRS)

Completed

PMCF Study on SMILE Treatment of Myopia With and Without Astigmatism

Astigmatism | Myopia

Germany, India, Denmark, Hong Kong
Edward E. Manche

Completed

A Comparison of Fellow Eyes Undergoing LASIK or PRK With a Wavefront-guided Excimer Laser Versus a Wavefront-optimized Excimer Laser

Astigmatism | Myopia | Hyperopia

United States
Bausch & Lomb Incorporated

Completed

A Study With Technolas® TENEO 317 Model 2 Excimer Laser to Treat Participants With Myopia or Myopic Astigmatism

Myopia | Myopic Astigmatism

United States
Lentechs, LLC

Completed

APIOC for Presbyopia and APIOC for Presbyopia With Astigmatism

Presbyopia | Astigmatism | Myopia | Hyperopia

United States
Sakarya University

Completed

Comparison of Deviation Types Among Astigmatic Children With Or Without Amblyopia

Strabismus | Amblyopia | Astigmatism of Both Eyes

Turkey
Food and Drug Administration (FDA)
National Eye Institute (NEI)

Completed

Patient Reported Outcomes With LASIK: PROWL-2 (PROWL-2)

Laser in Situ Keratomileusis

United States
Walter Reed Army Medical Center

Completed

A Prospective Evaluation of Contrast Sensitivity and Disability Glare in Refractive Surgery, a Sub-Study of: Initial Evaluation of Excimer Laser Keratorefractive Surgery in U.S. Army Personnel (WU # 2335-99)

Myopia

United States
Boehringer Ingelheim

Not yet recruiting

A Study in Healthy People to Test How BI 1015550 is Taken up in the Body When Given With or Without Food

Healthy
Central Hospital, Nancy, France

Not yet recruiting

Evaluation of Patients With Systemic Sclerosis Without Specific or Associated Autoantibodies (SCLERONAB)

Systemic Sclerosis

France
Sohag University

Recruiting

Evaluation Of Drainless Thyroidectomy For Benign Thyroid Diseases Regarding Surgical Site Complications

Benign Thyroid Diseases

Egypt
University of Florence
Azienda Ospedaliera Città della Salute e della Scienza di Torino; University... and other collaborators

Recruiting

Effectiveness and Tolerability of Eptinezumab (TACHIS)

Migraine | Chronic Migraine | Migraine Without Aura | Migraine With Aura

Italy
University of Cincinnati

Recruiting

Rim Plate to Buttress Plate for Posterior Wall Acetabular Fractures With and Without Inter-fragmentary Screws

Acetabular Fracture

United States
M.D. Anderson Cancer Center

Not yet recruiting

Phase II Study of REPotrectinib With or Without Fulvestrant in Patients With Hormone Receptor-positive Human Epidermal Growth Factor 2-negative Metastatic Invasive LObular Carcinoma Who Received a Prior Endocrine Therapy in Combination With Cyclin-dependent Kinase 4 and 6 Inhibitor (REPLOT Trial)

Hormone Receptor-positive Human Epidermal Growth Factor 2-negative | Metastatic Invasive LObular Carcinoma

United States
University Hospital, Angers

Not yet recruiting

Impact of an Early Warning System on the Prognosis of Patients With Hematological Malignancies Receiving Intensive Chemotherapy With or Without Hematopoietic Cell Transplantation. (ALHERT)

Lymphoma | Leukemia | Multiple Myeloma

France
Riphah International University

Recruiting

Intrinsic Foot Muscle Training With and Without Hip Abductor Muscle Strengthening in Pronation Distortion Syndrome

Pronation Deformity of the Foot

Pakistan
Queen Margaret University

Not yet recruiting

A 12-week Digital Physical Activity Programme, With or Without Physical Education Support for Type 2 Diabetes Patients.

Diabetes Mellitus, Type 2

United Kingdom
NoNO Inc.

Not yet recruiting

NoNO-42 Trial in Acute Ischemic Stroke Patients Selected for Thrombolysis With or Without Endovascular Thrombectomy

Acute Ischemic Stroke
Imperial College London
Imperial College Healthcare NHS Trust

Recruiting

Ablation of Focal Activation in Atrial Fibrillation (RETRO-AF)

Atrial Fibrillation | Arrhythmias, Cardiac | Arrhythmia | Atrial Fibrillation, Persistent | Cardiac Arrhythmia

United Kingdom
Medical University of Vienna

Not yet recruiting

Effect of Dupilumab on Nasal Epithelial Barrier Function in Patients With CRSwNP (EpiBar)

Chronic Rhinosinusitis With Nasal Polyps | Chronic Rhinosinusitis Without Nasal Polyps

Austria
Max-Planck-Institute of Psychiatry

Recruiting

Deep Phenotyping for Clinical Inferring Response in Treatment Resistant Depression (DECIDE)

Depressive; Disorder, Major, Single Episode, Major, With Psychotic Symptoms | Depressive; Disorder, Major, Single Episode, Major (Without Psychotic Symptoms) | Depressive Disorder, Major, Recurrent, With Psychotic Symptoms | Depressive Disorder, Major, Recurrent, Without Psychotic Symptoms and other conditions

Germany
National Cancer Institute (NCI)

Not yet recruiting

Testing the Addition of ASTX660 (Tolinapant) to the Usual Chemotherapy Treatment (Paclitaxel With or Without Bevacizumab) in Patients With Recurrent Ovarian Cancer

Recurrent Ovarian High Grade Serous Adenocarcinoma | Recurrent Platinum-Resistant Ovarian Carcinoma | Recurrent Fallopian Tube Clear Cell Adenocarcinoma | Recurrent Fallopian Tube Undifferentiated Carcinoma | Recurrent Ovarian Clear Cell Adenocarcinoma | Recurrent Ovarian Undifferentiated Carcinoma and other conditions
Peking University Third Hospital

Recruiting

Risk Factors, Prognosis and Prediction Models for Placenta Accreta Without Prior Cesarean Section

Placenta Accreta Spectrum

China
Jagiellonian University

Recruiting

Opioid-free Anesthesia as an Alternative to General Anesthesia in Abdominal Surgery

Anesthesia, General | Analgesics, Opioid | Anesthesia, Endotracheal

Poland
Shanghai JMT-Bio Inc.

Not yet recruiting

JMT101 in Combination With Osimertinib, Versus Cisplatin-pemetrexed in Participants With Locally Advanced or Metastatic Non-small Cell Lung Cancer (NSCLC) Characterized by Epithermal Growth Factor Receptor (EGFR) Exon 20ins Mutations

Local Advanced or Metastatic NSCLC
University of the Philippines
Organon

Not yet recruiting

The Use of Etonogestrel Contraceptive Implant as Treatment for Endometrial Hyperplasia Without Atypia: A Cohort Study

Endometrial Hyperplasia Without Atypia
Aalborg University Hospital
Aalborg University

Recruiting

Pain After Removal of Mandibular Third Molars With or Without Advanced Platelet-rich Fibrin

Pain Syndrome

Denmark
University of Minnesota

Recruiting

Effectiveness of Screening and Decolonization of S. Aureus to Prevent S. Aureus Surgical Site Infections in Surgery Outpatients

Surgical Site Infections | Healthcare Associated Infections | Staphylococcus Aureus Colonization

United States
University Hospital A Coruña
Complejo Hospitalario Universitario de Vigo; Complejo Hospitalario Universitario... and other collaborators

Recruiting

Locoregional Control With Radiotherapy of Breast Cancer Patients With MACrometastases Treated With MAstectomy (MACMA) (MACMA)

Breast Cancer

Spain
B.Braun Avitum AG

Recruiting

Prospective, Multicentre, Randomized, Controlled, Cross-over Study on the Safety and Performance of the Biologic Fusion Option of DialogiQ Compared to Haemodialysis Without Biologic Fusion in Hypotension Prone Patients on Maintenance Haemodialysis

Renal Dialysis

Italy
VarmX B.V.

Recruiting

Single Dose Trial of VMX-C001 in Healthy Subjects With and Without FXa Direct Oral Anticoagulant

Coagulation Disorder

Netherlands
Mario Negri Institute for Pharmacological Research

Not yet recruiting

Kidney Perfusion With or Without Absorption (POWER)

Kidney Replacement

Italy
Pfizer

Not yet recruiting

A Study to Learn About How Different Forms of the Study Medicine Called Ritlecitinib Pass the Intestines of Healthy Male Adults When Taken With or Without Food

Healthy Volunteers
Ain Shams University

Recruiting

Assessment Of Dose-Dependent Immunomodulatory Effect Of Alveofact With or Without Steroisd In Neonatal RDS

Inflammatory Response | Preterm Birth | Premature Lungs | Neonatal Respiratory Distress Syndrome | Neutrophil Extracellular Trap Formation

Egypt
Sun Yat-Sen Memorial Hospital of Sun Yat-Sen University

Not yet recruiting

An Phase III Study, Multicenter，Randomized Controlled Trail to Determine the Safety and Efficacy of the Combination of Tislelizumab With Cisplatin and Gemcitabine, With or Without Trilaciclib for Patients With Untreated Unresectable and Metastatic Urothelial Carcinoma.

Bladder Cancer

China
Medical University of Warsaw

Recruiting

Comparison of Subgingival Mechanotherapy With and Without the Use of a Perioscope: Clinical Trial

Periodontitis

Poland

3

Subscribe