Clinical trials: Near Vision
Neonatal Cerebral Oxygenation, Cesarean Section
Effects of Spinal Versus General Anesthesia on Neonatal Cerebral Oxygenation During Cesarean Section
This prospective observational study evaluates and compares the effects of spinal and general anesthesia techniques used during elective cesarean section on neonatal cerebral regional oxygen saturation (crSO₂) during the early…
- Trial name
- NEO-OXY-CS (NCT07477093)
- Testing
- No intervention (observational study)
- Where
- Turkey (Türkiye)
- Volunteers
- 49 people, healthy volunteers welcome
- Sponsor
- Akdeniz University Hospital
Cornea, Refractive Surgery
Evaluation of the Effect of Myopic Femtosecond Laser Assisted-LASIK on Anterior Chamber Flare Values and Corneal Endothelial Cells: A Prospective Before-and-After Study
This study aimed to investigate whether femtosecond laser-assisted LASIK (FS-LASIK) surgery causes inflammation in the anterior chamber and to analyze its effect on endothelial cells.
- Conditions
- Cornea, Refractive Surgery, Anterior Chamber Inflammation
- Trial name
- NCT04899258
- Testing
- Femtosecond laser assisted LASIK
- Where
- Turkey (Türkiye)
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Istanbul University
ACL Injury, Hemodynamics
A Paradigm Shift in Musculoskeletal Rehabilitation Assessment After ACL Reconstruction Using Near-Infrared Spectroscopy
This study aims to establish and compare muscle haemodynamic response patterns in physically active subjects with anterior cruciate ligament (ACL) reconstruction, at different time points after surgery, against healthy controls…
- Conditions
- ACL Injury, Hemodynamics, Oxygen Consumption Based Assessment of Hemodynamics, Exercise
- Trial name
- HemoNIRS-LCA (NCT06621355)
- Testing
- Incremental Interval Test on a Cycle Ergometer
- Where
- Spain
- Volunteers
- 129 people, healthy volunteers welcome
- Sponsor
- Universitat de Lleida
Myopia
Aberration-Free Refraction Correction
In the interest of improving visual quality after LASIK we have designed a multifaceted study to test the theoretical, physical, biomechanical and functional effects of commercial and independently designed aspherical ablation…
- Trial name
- NCT00172913
- Where
- Taiwan
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- National Taiwan University Hospital
Axial Length, Myopia
China Children Eye Study
The primary objective of this multi-center, observational study is to establish the reference ranges of axial length in Chinese children and adolescents.
- Conditions
- Axial Length, Myopia, Child Development
- Trial name
- CCES (NCT05770661)
- Where
- 2 sites in China
- Volunteers
- 30,000 people, healthy volunteers welcome
- Sponsor
- Shanghai Eye Disease Prevention and Treatment Center
Diabetic Retinopathy, Retinal Vein Occlusion
Computer Aided Diagnosis of Multiple Eye Fundus Diseases From Color Fundus Photograph
Blindness can be caused by many ocular diseases, such as diabetic retinopathy, retinal vein occlusion, age-related macular degeneration, pathologic myopia and glaucoma.
- Conditions
- Diabetic Retinopathy, Retinal Vein Occlusion, Retinal Artery Occlusion, Central Serous Chorioretinopathy
- Trial name
- NCT04723160
- Testing
- Software assisted imaging diagnosis
- Where
- 5 sites in China
- Volunteers
- 748 people, healthy volunteers welcome
- Sponsor
- Visionary Intelligence Ltd.
Chronic Heart Failure, Coronary Disease
Role of Endothelial Function, Muscular Fitness and Metabolism in Functional Activity in Patients With Chronic Heart Failure (CHF)
Shortness of breath, fatigue, and exercise intolerance are clinical symptoms of chronic heart failure (CHF). Recent studies suggested that peripheral impairment was the major cause of clinical symptoms, and mechanism may be…
- Conditions
- Chronic Heart Failure, Coronary Disease, Dilated Cardiomyopathy
- Trial name
- NCT01139086
- Where
- Taiwan
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- National Taiwan University Hospital
Primary Open Angle Glaucoma, Myopia
Diagnostic Innovations in Glaucoma Study
The overarching goal of our research study is to evaluate changes in visual function and optic nerve topography (the structure of the back of the eye) in patients with glaucoma (increased susceptibility to pressure inside the eye…
- Trial name
- DIGS (NCT00221897)
- Where
- United States
- Volunteers
- 3,000 people, healthy volunteers welcome
- Sponsor
- University of California, San Diego
Myopia
Choroidal Response to the Modified Defocus Incorporated Multiple Segments Spectacle Lenses
The goal of this study is to investigate the short-term changes in choroidal thickness and efficacy of the study spectacle lenses in children.
- Trial name
- NCT07547072
- Testing
- Modified Defocus Incorporated Multiple Segments lens (D1), Modified Defocus Incorporated Multiple Segments lens (D2)
- Where
- Hong Kong
- Volunteers
- 108 people, healthy volunteers welcome
- Sponsor
- The Hong Kong Polytechnic University
Myopia
Myopia Progression Trial With Novel Myopia Control Design Spectacle Lenses
This is a mono-center, randomized, double-masked, cross-over study to evaluate rate of myopia progression with novel designed myopia control lens (test) compared to SVL (control).
- Trial name
- NCT04048148
- Testing
- Novel designed myopia control spectacle lenses
- Where
- Vietnam
- Volunteers
- 132 people, healthy volunteers welcome
- Sponsor
- Brien Holden Vision Institute
Pregnancy, Eclampsia
A Cluster-Randomized Trial of Ultrasound Use to Improve Pregnancy Outcomes in Low Income Country Settings
In many low-income countries, the use of ultrasound by medical officers and non-physician health care staff (e.g., midwives) for antenatal identification of high risk pregnancies is a new intervention requiring authoritative…
- Conditions
- Pregnancy, Eclampsia, Placenta Previa, Stillbirth
- Trial name
- NCT01990625
- Testing
- Antenatal Ultrasound Scan
- Where
- 5 sites in Guatemala, Kenya and 3 more
- Volunteers
- 45,038 people, healthy volunteers welcome
- Sponsor
- NICHD Global Network for Women's and Children's Health
Hearing Loss, Unilateral
Functional Near Infra-Red Spectroscopic Study of Central Auditory System Cortical Functional Reorganization
This study aims to compare the auditory cortical activity in response to monaural and binaural stimuli, measured by functional Near-Infrared Spectroscopy (fNIRS) between Single-sided Deaf (SSD) Children, and Normal-Hearing (NH)…
- Trial name
- SUN (NCT04043910)
- Testing
- fNIRS, Speech intelligibility, Sound localisation
- Where
- France
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- University Hospital, Toulouse
Myopia
A Real-world Study of 650nm Low-intensity Single-wavelength Red Light for Children and Adolescents
To evaluate the efficacy and safety of 650nm low-level red-light irradiation for myopia control and prevention in children under less restrictive conditions than randomized controlled trials.
- Trial name
- NCT05832723
- Testing
- 650 nm low-level red-light
- Where
- China
- Volunteers
- 2,000 people, healthy volunteers welcome
- Sponsor
- Beijing Tongren Hospital
Age - Related Macular Degeneration (AMD), Diabetic Macular Edema
Wide Field OCTA in Ocular Diseases
The main retinal diseases, whether or not associated with specific mutations genetic, cause progressive degeneration of vascular retinal structures and not vascular, resulting in decreased visual function.
- Conditions
- Age - Related Macular Degeneration (AMD), Diabetic Macular Edema, Diabetic Retinopathy, Myopia
- Trial name
- WOOD-2025 (NCT07298174)
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- IRCCS San Raffaele
Gastric Cancer, Gastric Adenocarcinoma
Near-infrared Imaging With Indocyanine Green for Detection of Peritoneal Metastases for Gastric Adenocarcinoma.
Peritoneal disease at initial presentation for patients with gastric adenocarcinoma (GA) is frequent, with 15-31% of patients presenting with peritoneal metastases (PM) at surgical exploration.
- Conditions
- Gastric Cancer, Gastric Adenocarcinoma, Peritoneal Carcinomatosis, Peritoneal Metastases
- Trial name
- NCT05687617
- Testing
- Indocyanine green
- Where
- 2 sites in Canada
- Volunteers
- 11 people, healthy volunteers welcome
- Sponsor
- Laval University
Healthy
Neurophysiological Effects of Mind-body Exercise in Healthy Adults
There is some clinical evidence showing that Baduanjin (BDJ) practice, a type of mind-body based physical exercise, can improve executive function (EF).
- Trial name
- NCT06337344
- Testing
- Baduanjin, Exercise, Video Viewing
- Where
- Hong Kong
- Volunteers
- 79 people, healthy volunteers welcome
- Sponsor
- The Hong Kong Polytechnic University
Symptoms of Anxiety
Transcranial Photobiomodulation in Anxiety Disorders
The investigators have previously shown that safe, non-invasive methods of brain stimulation such as the administration of transcranial infrared light can result in improvements to cognition and emotion.
- Trial name
- NCT07133893
- Testing
- Attention bias assessment and modification, Transcranial photobiomodulation
- Where
- United States
- Volunteers
- 280 people, healthy volunteers welcome
- Sponsor
- Francisco Gonzalez-Lima, PhD
Pediatric Obstructive Sleep Apnea
Development of a Wearable Point of Care Monitoring Device for Pediatric Obstructive Sleep Apnea
Background: Obstructive sleep apnea (OSA) occurs when the blockage of the airway causes a person to stop breathing involuntarily for 10 seconds or more throughout the night during sleep.
- Trial name
- NCT05052216
- Where
- United States
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
Myopia
Clinical Study Of Nearsightedness; TReatment With Orthokeratology Lenses (CONTROL)
Myopia is a common disease of the eye with increasing prevalence in the Western World as well as in South East Asia where 60-90% of the children are affected.
- Trial name
- NCT03246464
- Testing
- Orthokeratology lenses, Single-vision spectacles
- Where
- Denmark
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Vejle Hospital
Refraction Error, Myopia
The MORE Study: Manifest vs. Online Refraction Evaluation
The assessment of the refractive state of the eye is a fundamental and important part of ophthalmic and optometric clinical practice.
- Conditions
- Refraction Error, Myopia, Astigmatism
- Trial name
- MORE (NCT03313921)
- Testing
- Online Manifest Refraction
- Where
- Netherlands
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- UMC Utrecht