Clinical trials: Near Vision
Myopia
A Clinical Study to Evaluate the Remote Monitoring of Myopia Patients With the EyeQue Insight
The objective of this study is to determine whether the remote monitoring of myopia patients with the EyeQue Insight (visual acuity test) can replace regularly scheduled follow-up visits.
- Trial name
- NCT04693260
- Testing
- Visual Acuity with a Hand-held Device Supported by Mobile App.
- Where
- United States
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- EyeQue Corp.
Common Diseases, Joint Prevention
The Role of After-school Exercise Services in Promoting Myopia and Physical and Mental Health in Children
This project is a prospective cohort study to evaluate the impact of after-school extended physical education services on the visual health, physical health indicators, and mental health of children and adolescents participating…
- Conditions
- Common Diseases, Joint Prevention, Students, After-school Extended Sports Service
- Trial name
- NCT06619925
- Testing
- after-school extended sports service, non-after school extended sports service
- Volunteers
- 2,000 people, healthy volunteers welcome
- Sponsor
- Fangbiao Tao
Respiratory Muscle Blood Flow
Clinical Respiratory Evaluation Using Spectroscopy Trial
Respiratory muscles (the muscles used to breathe) need more blood (and oxygen) when their workload increases. It is difficult to measure respiratory muscle blood flow (RMBF) without invasive techniques.
- Trial name
- CREST (NCT01321411)
- Testing
- Near Infrared Spectroscopy
- Volunteers
- healthy volunteers welcome
- Sponsor
- University of British Columbia
Myopia, Astigmatism
An Outcomes Study Comparing the Intralase FS 60 to the Intralase iFS When Performing LASIK Surgery for Nearsightedness
The purpose of the study is to compare the results of LASIK surgery when using two versions of a femtosecond laser in patients with nearsightedness with and without astigmatism.
- Trial name
- NCT01365728
- Testing
- LASIK with the iFS femtosecond laser
- Where
- United States
- Volunteers
- 61 people, healthy volunteers welcome
- Sponsor
- Stanford University
Myopia
Soft Contact Lens Fitting With Different Sagittal Height
To evaluate whether there is a difference in subjective and objective fit of soft lenses with different sagittal height
- Trial name
- NCT05962528
- Testing
- Soft lens
- Where
- China
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Tianjin Eye Hospital
Chronic Obstructive Pulmonary Disease
Difference in the Metabolic Characteristics of COPD Patients and Healthy Adults
Although some important progresses were made in the field of the meridian research, no breakthroughs have been achieved. Besides,there are some problems in meridian researches.
- Trial name
- NCT04046666
- Testing
- Functional near infrared spectroscopy, Moxibustion
- Where
- China
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Zhejiang Chinese Medical University
Myopia
Effect of Using Myopia Prediction Algorithm on Myopia School-aged Children
In this study, the investigators aim to perform a prospective, randomized controlled study to compare the myopia development between myopia children using myopia prediction algorithm and myopia children without using myopia…
- Trial name
- NCT04045951
- Testing
- Myopia prediction algorithm
- Where
- China
- Volunteers
- 2,138 people, healthy volunteers welcome
- Sponsor
- Sun Yat-sen University
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
Critical Illness, Near-Death Experience
Incidence of Episodes of (Dis)Connected Consciousness Among Emergency Patients Admitted in the Resuscitation Room
This observational study aims to describe the incidence of episodes of disconnected consciousness (including near-death experience (NDE)) and episodes of connected consciousness in patients admitted to the resuscitation room, who…
- Conditions
- Critical Illness, Near-Death Experience, Consciousness, Loss of, Quality of Life
- Trial name
- NCT06362525
- Where
- Belgium
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- University of Liege
Presbyopia
Safety and Efficacy of an Intrastromal Transform™ Corneal Allograft (TCA) for Presbyopia Correction
The objective of this clinical study is to evaluate the safety and effectiveness of intrastromal implantation of the Allotex TransForm corneal allograft (TCA) for improving near vision in presbyopic subjects.
- Trial name
- NCT03671135
- Testing
- TCA Intrastromal Inlay
- Where
- 4 sites in Belgium, Ireland and 1 more
- Volunteers
- 121 people, healthy volunteers welcome
- Sponsor
- Allotex, Inc.
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
Myopia, Progressive
A Unified Index to Predict the Success Probability of Myopia Control
Orthokeratology lenses (OK-lens) and multifocal contact lenses (MFCL) are optical devices designed to slow down the progression of myopia. Both treatments a long-term commitment from doctors and patients.
- Trial name
- NCT05773118
- Testing
- orthokeratology lens, multifocal soft contact lens, Single vision spectacles
- Volunteers
- healthy volunteers welcome
- Sponsor
- Nova Southeastern University
Refractive Errors
Clinical Evaluation of Acuity 200 (Fluoroxyfocon A) RGP Contact Lens
The objective of this clinical investigation is to collect valid scientific safety and effectiveness data on the Acuity 200 (fluoroxyfocon A) Rigid Gas Permeable Contact Lens, manufactured from a newly developed rigid gas…
- Trial name
- Acuity 200 (NCT03971227)
- Testing
- Acuity 200 (Fluoroxyfocon A) contact lens, Acuity 100 (Hexafocon A) contact lens
- Where
- 3 sites in United States
- Volunteers
- 74 people, healthy volunteers welcome
- Sponsor
- Acuity Polymers, Inc.
Retinopathy of Prematurity, Myopia
Prematurity and Ophthalmological Changes
Ophthalmological differences in school-aged children with and without a history of retinopathy of prematurity
- Trial name
- NCT06452524
- Testing
- axial length (AU) and anterior chamber depth (ACD), optical coherence tomography (OCT)
- Where
- Turkey (Türkiye)
- Volunteers
- 211 people, healthy volunteers welcome
- Sponsor
- Ankara City Hospital Bilkent
Pathological Myopia
Genomewide Screening of Pathological Myopia
The purpose of this study is to evaluate the possible candidate gene of pathological myopia
- Trial name
- NCT00155753
- Where
- Taiwan
- Volunteers
- 600 people, healthy volunteers welcome
- Sponsor
- National Taiwan University Hospital
Microcirculatory Dysfunction, Tissue Hypoperfusion
Submental Tissue Oxygenation and Arterial Lactate in Major Surgery
During major surgical procedures performed under general anesthesia, changes in blood flow and oxygen delivery to tissues may occur due to blood loss, hemodynamic fluctuations, and anesthesia-related physiological effects.
- Conditions
- Microcirculatory Dysfunction, Tissue Hypoperfusion, Microcirculatory Status, Microvascular Circulation
- Trial name
- NCT07399275
- Testing
- No intervention. This is a prospective observational study. Near-infrared spectroscopy measurements are performed for monitoring purposes only and do not influence clinical management.
- Where
- Turkey (Türkiye)
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- Bursa Sevket Yilmaz Training and Research Hospital
Developmental Coordination Disorder
Effects of Acute Exercise on Motor Learning and Brain Activity in Children With DCD
The aim of this study is to investigate the impact of an acute intense physical exercise bout on the learning ability of children with typical motor development (TD) and children with developmental coordination disorder (DCD).
- Trial name
- ExLeBrainDCD (NCT05936372)
- Testing
- Acute intense aerobic exercise
- Where
- 3 sites in Spain
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Institut Nacional d'Educacio Fisica de Catalunya
Myopia, Small-incision Lenticule Extraction (SMILE) Surgery
Potential Risk Factors and Predictive Model Construction of OBL During SMILE
To explore the prediction of OBL by deep learning model in SMILE surgery
- Trial name
- NCT06577012
- Testing
- Small incision lenticule extraction
- Where
- China
- Volunteers
- 4,678 people, healthy volunteers welcome
- Sponsor
- Second Affiliated Hospital of Nanchang University
High Myopia, Pregnancy Related
Physiologic Ocular Changes During Pregnancy in Women With High Myopia.
The prevalence of myopia is seemingly increasing, and it is one of the major causes of blindness. High myopia is defined as a refractive error with spherical equivalent exceeding -6 diopters and/or the axial length longer than…
- Trial name
- NCT04773574
- Testing
- Corneal topography, Optical coherence tomography (OCT) and Optical coherence tomography angiography (OCTA)
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Khon Kaen University
Myopia
Development of a New Device and Method to Assess the Degree of Myopia and/or Astigmatism in Myopic People
The purpose of this clinical investigation is to check whether the new device can correctly measure a person's degree of myopia and astigmatism.
- Trial name
- MDSW_DiVA2Rx (NCT07297810)
- Testing
- Optical correction values obtained with investigational device and visual acuity, Optical correction values obtained with an autorefractometer and visual acuity, Optical correction values obtained with a phoropter and visual acuity
- Where
- France
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Essilor International