Search clinical trials for: subjective refraction

Total 970 results

Essilor International

Recruiting

Refractive Status and Accommodation Response Under Different Experimental Conditions.

Accommodation Disorder | Accommodative Fatigue | Accommodative Inertia

France
Wenzhou Medical University

Not yet recruiting

The Long-term Outcome After Toric Intraocular Lens Implantation

Cataract | Corneal Astigmatism
Vienna Institute for Research in Ocular Surgery

Unknown

Eyhance Autorefraction Study

Cataract Senile

Austria
Vienna Institute for Research in Ocular Surgery

Completed

Subjective and Objective Refraction in Pseudophakic Patients

Pseudophakia

Austria
1800 Contacts, Inc.

Recruiting

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

Refractive Errors

United States
University of Castilla-La Mancha
Ministerio de Economía y Competitividad, Spain; European Regional Development...

Unknown

Effectiveness of Personal Relevance of Visual Autobiographical Stimuli in Positive Emotions Induction

Emotion Regulation | Ageing | Mood Induction | Autobiographical Memory
Lee, Steven, M.D.

Completed

Refraction Determination Analysis

Myopia, | Hyperopia, | Astigmatism, | Presbyopia, | Eye Strain,
Johannes Kepler University of Linz

Recruiting

Comparison of Two Different Intraocular Lenses Implanted With Yamane Technique

Aphakia | Secondary Cataract Surgery | Complicated Cataract Surgery

Austria
Johannes Kepler University of Linz

Completed

Performance of Two Sclera Fixated Intraocular Lens Concepts (Carlevale)

Cataract Complicated | Cataract Complications Operations

Austria
Institut Pasteur

Recruiting

Real-time Artificial Intelligence-based Speech Enhancement Methods for Hearing Aid Improvement (REFINED)

Deafness Neurosensory

France
University of Brasilia
Charite University, Berlin, Germany

Terminated

Oral Health and Its Relation to Development and Well-being of Schoolchildren Before and After Restorative Treatments

Dental Caries | Oral Health | Dental Atraumatic Restorative Treatment

Brazil
Institut Pasteur
Institut de l'Audition

Not yet recruiting

Users of Remote Conferencing and Compression of Sound Dynamics : Auditory Effects (COMPRESSED)

Auditory Perception

Belgium, France
Centre Hospitalier Universitaire Dijon

Completed

Prospective Monocentric Study of Taste in Patients With Minor or Major Cognitive Disorders Such as Alzheimer's, Through the Analysis of Gustatory Evoked Potentials. (MAPEG)

Cognitive Disorders

France
Institut Pasteur
Institut de l'Audition

Not yet recruiting

MeasurIng and Restoring Auditory Awareness for Cochlear Implant Listeners in noisE (MIRACLE)

Cochlear Hearing Loss

France
Vilnius University
Kaunas University of Technology

Recruiting

Triggers and Risk Factors for Recurrence of Atrial Arrhythmias With the Use of Long-term Monitoring (TriggersAF)

Alcohol Drinking | Sleep Disorder | Stress | Atrial Fibrillation | Sleep Apnea | Atrial Flutter | Arterial Hypertension | Physical Inactivity | Atrial Tachycardia | Atrial Arrhythmia | Caffeine Dependence | Premature Atrial Contractions | Overexertion

Lithuania
Center for Sleep Medicine - Clinique André Renard
PIRON Alain, Osteopath - physiotherapist; LACROIX Alain, neurologist, MD, PhD; CHAKAR Bassam, neurologist, MD, PhD and other collaborators

Enrolling by invitation

Predictability of OSA With a Subjective Screening Scale (OSASSS1) (OSASSS1)

Obstructive Sleep Apnea | OSA

Belgium
Pamukkale University

Active, not recruiting

The Effects of Chronic Otitis Surgery on SVV

Chronic Otitis Media

Turkey
Assistance Publique - Hôpitaux de Paris

Active, not recruiting

Comparison of Two Methods of Adjusting the Mechanical In-Exsuflation in Neuromuscular Adult Patients (EXSUFLOW)

Neuromuscular Diseases

France
Visibly

Completed

Clinical Study to Evaluate Effectiveness of Digital Refraction

Astigmatism | Myopia

United States
University Hospital, Strasbourg, France
Institut National de la Santé Et de la Recherche Médicale, France

Recruiting

Emotion and Motivation in Patients With Psychosis

Schizophrenia

France
Daiichi Sankyo, Inc.

Terminated

Efficacy of SUN N4057 in Subjects With Acute Ischemic Stroke and Measurable Penumbra on Magnetic Resonance Imaging (MRI)

Stroke

United States, Israel, Poland, Spain, Belgium, Germany, South Africa
Charles University, Czech Republic
University Hospital, Motol

Recruiting

Vestibular Function in Cochlear Implant Patients

Cochlear Implantation

Czechia
UMC Utrecht

Unknown

The MORE Study: Manifest vs. Online Refraction Evaluation (MORE)

Astigmatism | Myopia | Refraction Error

Netherlands
Cairo University

Completed

Topography Guided LASIK by Different Protocols for Treatment of Astigmatism

Refractive Surgery

Egypt
Pamukkale University

Completed

The Effect of Head Tilt and Soft Surface on Virtual SVV in Normal Subjects

Vestibular Nerve Diseases

Turkey
Mostafa Bahaa
Mostafa Mahmoud Bahaa Clinical Pharmacy Department, Horus University, New...

Not yet recruiting

Investigating the Pathophysiological Nature of Homosexuality

Psychiatric Disorder
University of Miami

Completed

Use of RM Technology in Pediatric BAI Recipients

Hearing Loss, Unilateral

United States
University Hospital, Toulouse
Fondation de France

Completed

Evaluation of the Subjective and Objective Painful Threshold in Multiple System Atrophy Pain and Multiple System Atrophy (MSA-DOUL)

Multiple System Atrophy | Pain Threshold

France
Smart Vision Labs

Unknown

Direct Comparison of SVOne Obtained Refraction to Subjective Manifest Refraction

Refractive Errors

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

Recruiting

Software Refraction With Mobilerone Versus Retinoscopy (SRMR)

Astigmatism | Myopia | Myopia, Moderate

China
Massachusetts General Hospital

Recruiting

Chemotherapy-induced Cognitive and Brain Changes in Older Adults With Breast Cancer

Breast Cancer | Chemo-brain | Impaired Cognition

United States
University Hospital, Antwerp

Completed

Titration of Oral Appliance Therapy: a Prospective, Randomized Cross-over Trial.

Obstructive Sleep Apnea

Belgium
US Department of Veterans Affairs

Completed

Home Evaluation of Exit Barriers in Wandering (HEEBW)

Problem Behavior | Dementia, Alzheimer Type

United States
Alaska Blind Child Discovery

Completed

Enhanced Housing Photoscreeners 2WIN and GoCheckKids Compared in Burma and Alaska

Amblyopia | Anisometropia

United States
Dr. Tarit Saha

Completed

Does the Speed of Sternal Retraction Affect Postoperative Pain Outcomes

Chronic Pain

Canada
University of British Columbia
Rick Hansen Institute

Active, not recruiting

Implementation of the ProACTIVE Toolkit in the Hospital and Community Setting

Spinal Cord Injuries

Canada
Superior University

Active, not recruiting

Comparative Effect of Cylindrical Lenses Verses Spherical Equilient on Contrast Sensitivity

Low Vision Aids

Pakistan
Ohio State University
University of Houston

Recruiting

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

Refractive Errors | Down Syndrome

United States
Future University in Egypt

Active, not recruiting

Evaluation of Mini and Macro-esthetics Following En- Masse Retraction Versus Two Step Retraction

Bimaxillary Protrusion

Egypt
Future University in Egypt

Completed

Evaluation of Treatment Duration of En-masse Versus Two Steps Retraction in Patients Having Maxillary Protrusion

Bimaxillary Protrusion

Egypt
DAVID HAUSER

Unknown

Scleral Fixation of BunnyLens With GoreTex Suture- Initial Results

Aphakia, Acquired

Israel
University of Zurich

Unknown

Influence of Trabeculectomy and Phaco-trabeculectomy on Corneal Astigmatism

Glaucoma | Astigmatism
Rio de Janeiro State University
Coordenação de Aperfeiçoamento de Pessoal de Nível Superior.

Unknown

3D Comparison of Anterior Teeth Retraction and Anchorage Control Between En-masse and Two-step Mechanics

Bimaxillary Protrusion | Malocclusion, Angle Class I | Orthodontic Space Closure

Brazil
Dow University of Health Sciences

Completed

Comparison Of En-Masse Retraction With Two-Step Retraction Using Mini-Implant As Anchorage

En-masse Retraction to Two- Steps Retraction

Pakistan
Future University in Egypt

Completed

Canine Retraction With Temporary Anchorage Devices

Bimaxillary Protrusion | Class III Malocclusion | Crowding, Tooth | Class II Malocclusion

Egypt
Western Galilee Hospital-Nahariya

Not yet recruiting

Comparison of Three Methods for Fetal Weight Estimation

Pregnancy Related | Obesity, Morbid | Fetal Weight
Dietrich-Bonhoeffer-Klinikum

Completed

Measurement of Refractive SE Following Implantation of LS313 MF30 IOL

Refractive Errors

Germany
CereVu Medical, Inc.
John Muir Health

Recruiting

Breathing With a Facemask Exercise Performance

Pulmonary Disease, Chronic Obstructive

United States
Ottawa Hospital Research Institute

Not yet recruiting

Motion Capture as a Tool for the Assessment of Laparoscopic Performance

Healthy | Adult ALL
University of Southampton
Imperial College London; University of Manchester; Royal Berkshire NHS Foundation... and other collaborators

Completed

Optimisation of Hearing Aid Fitting

Hearing Loss | Hearing Abnormality

United Kingdom

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