Clinical trials: Asthenopia
Longitudinal Chromatic Aberration, Blue Light Defocus Manipulation
Application and Clinical Evaluation of Longitudinal Chromatic Aberration Technique in Ophthalmology
Our study aims to delve into the effects of shifting the focal point of blue light from video or text displayed on a terminal screen forward on the axial length of the eye, ocular blood flow, visual fatigue, and visual function…
- Trial name
- NCT06449976
- Testing
- blue light defocus and blue light filtering
- Where
- China
- Volunteers
- 21 people, healthy volunteers welcome
- Sponsor
- Beijing Tongren Hospital
Asthenopia, Visual Fatigue
Visual and Neural Responses to Naked-Eye 3-D Viewing
This multicenter study examines short-term changes in visual fatigue and eye function after glasses-free three-dimensional (3D) viewing in healthy adults.
- Conditions
- Asthenopia, Visual Fatigue, Binocular Vision Disorder
- Trial name
- NCT07848763
- Testing
- Device / Behavioral Exposure
- Where
- China
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- Beijing Tongren Hospital
Stress, Psychological, Motion Sickness
Research on Quantification of VR(Virtual Reality) Related Stress and Relaxation
Current virtual reality device makes motion sickness and visual fatigue having limitation for recreation and other clinical approaches.
- Conditions
- Stress, Psychological, Motion Sickness, Visual Fatigue
- Trial name
- NCT02986555
- Testing
- Existing Biofeedback, Biofeedback accompanied with virtual reality
- Where
- South Korea
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Samsung Medical Center
Digital Eye Strain
Study of the Association Between Digital Eye Syndrome With Binocular Vision and the Ocular Surface in Higher Education Students in the Area of Health Technologies
The goal of this observational study is to determinate the association between DES and changes in binocular vision and ocular surface. in higher education students in the area of health technologies.
- Trial name
- DESIROUS (NCT05675475)
- Testing
- Exposure, Orthoptic assessment (Outcome measure), Tear film Break Up Time (BUT) test (Outcome measure)
- Where
- Portugal
- Volunteers
- 400 people, healthy volunteers welcome
- Sponsor
- Universidade Nova de Lisboa
Dry Eye Symptom, Eye Fatigue
Effects and Safety of Steam Eye Mask With Acupoints Stimulation
To evaluate the effects and safety of the steam eye mask with acupoints stimulation by the moist heat of approximately 40 degree C for 20 minutes and massage acupoints on eyebrows for eye fatigue, dry eye symptoms and…
- Trial name
- NCT04584216
- Testing
- Steam Eye Mask with acupoints stimulation, Steam Eye Mask
- Where
- Taiwan
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Kao (Taiwan) Corporation
Visual Fatigue, Dry Eye
A Study of Full-Spectrum Screen Lighting for Reducing Screen-Related Eye Fatigue and Dry Eye
This study will evaluate whether full-spectrum screen bar lighting can reduce eye fatigue and dry eye symptoms after a standardized screen task.
- Conditions
- Visual Fatigue, Dry Eye, Computer Vision Syndrome
- Trial name
- NCT07706231
- Testing
- Full-spectrum screen bar light, Brightness-matched screen task without screen bar lighting
- Where
- China
- Volunteers
- 112 people, healthy volunteers welcome
- Sponsor
- Zhongshan Ophthalmic Center, Sun Yat-sen University
Chromatic Adaptation
Visual Health Evaluation of Natural Color Display Technology
Study on visual fatigue and visual function under changing ambient light color temperature by natural color mode: The influence of electronic display devices on visual fatigue of human eyes is the main evaluation index and the…
- Trial name
- NCT06394102
- Testing
- The automatic color temperature adjustment mode equipped on terminal display devices can reduce the discrepancy between the color temperature of the device and the ambient light.
- Where
- China
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Beijing Tongren Hospital
Myopia, Dental Caries
Bedtime Routines and Children's Health
In Taiwan, the prevalence of sleep problems, myopia, and dental caries in school-age children is high. Little is known regarding the implementation of oral and vision health outcomes around bedtime.
- Conditions
- Myopia, Dental Caries, Sleep, Asthenopia
- Trial name
- NCT05201924
- Testing
- Bedtime routine, Control
- Where
- Taiwan
- Volunteers
- 160 people, healthy volunteers welcome
- Sponsor
- National Taiwan University
Asthenopia
Objective and Subjective Evaluation of Ophthalmic Lenses With Extra Power
To evaluate subjective visual performance and objective visual parameters when wearing ophthalmic lenses with extra power (+0.4 D or +0.6 D), and ophthalmic lenses with a selective blue cut filter.
- Trial name
- NCT05089240
- Testing
- Ophthalmic lens with extra power
- Volunteers
- 127 people, healthy volunteers welcome
- Sponsor
- Essilor International
Myopia
Effects of Blue of Glasses VS Standard Lenses on Contrast Sensitivity & Visual Fatigue in Myopic & Non-Myopic Adults
This study investigates the effects of blue light-blocking glasses compared to standard lenses on contrast sensitivity and visual fatigue in myopic and non-myopic adults.
- Trial name
- NCT06739525
- Testing
- Blue Light-Blocking Glasses (Intervention Group), Standard Lenses (Control Group)
- Where
- Pakistan
- Volunteers
- 64 people, healthy volunteers welcome
- Sponsor
- Superior University
Dry Eye
Digital Device Users Who Are Treated With Systane Hydration PF
Systane Hydration PF is a recently released preservative-free artificial tear that is able to supplement the ocular surface's moisture while simultaneously soothing the eye.
- Trial name
- NCT04837807
- Testing
- Systane Hydration PF
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University of Alabama at Birmingham
Asthenopia
The Effect of DA9301 on Tablet Computer-Induced Asthenopia
Asthenopia or eye strain describes nonspecific symptoms of an eye when it is tired from intensive work. Vaccinium uliginosum is a flowering plant in the genus Vaccinium.
- Trial name
- NCT02641470
- Testing
- DA9301 (Vaccinium uliginosum extract)
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Namyi Gu
Dry Eye, Asthenopia
Dry Eye and Asthenopia Treatment Effect Evaluation.
Asthenopia is a group of syndroms in which the human eye can see more than its visual function can bear due to various causes, resulting in visual disorders, eye discomfort or systemic symptoms after the use of the eyes, and thus…
- Trial name
- NCT06763822
- Testing
- close eyes, cold compress
- Where
- China
- Volunteers
- 55 people, healthy volunteers welcome
- Sponsor
- Second Affiliated Hospital, Zhejiang University, School of Medicine
Refractive Error, Presbyopia
Randomized Clinical Trial of Bifocal Lenses Versus Computer-specific Progressive Addition Lenses
This is a research study designed to test the utility of D-shaped bifocal lenses and PRIO Computer Lenses for persons using a computer.
- Conditions
- Refractive Error, Presbyopia, Asthenopia, Eyeglasses
- Trial name
- NCT00585026
- Testing
- D-28 bifocal lenses and frame, Progressive addition computer lenses and frame
- Where
- United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- University of Alabama at Birmingham
Skin Manifestations, Antioxidative Stress
Omegia Softgel Clinical Research Program
Evaluate the improvement of regulation of skin and blood index composition after consumption of Omegia® Softgel
- Conditions
- Skin Manifestations, Antioxidative Stress, Eye Strain, Vaginal Disease
- Trial name
- NCT05872178
- Testing
- Omegia® Softgel -B, Omegia® Softgel -A
- Where
- Taiwan
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Chia Nan University of Pharmacy ＆ Science
Asthenopia, Myopia
The Impact of Soft Contact Lens Attributes on Symptoms Associated With Digital Eye Strain in Symptomatic Soft Contact Lens Wearers
Despite its prevalence, the ocular causes of eye fatigue or unknown and may be related to the cornea/contact lens surface, the accommodative system, the convergence system, overall postural/muscle fatigue, or a combination of…
- Trial name
- NCT03585790
- Testing
- Contact lens with Multifocal Optics, Contact lens with Single Vision Optics
- Where
- United States
- Volunteers
- 45 people, healthy volunteers welcome
- Sponsor
- Pete Kollbaum, OD, PhD
Eye Strain
To Evaluate the Performance of Total 30 (Lehifilcon A) Contact Lenses in Patients Using Digital Devices for Greater Than 8 Hours Per Day 5 Days Per Week Based on Subjective Reported Data.
To evaluate the performance of Total 30® (lehfilcon A) contact lenses in patients using digital devices for greater than 8 hours per day 5 days per week based on subjective reported data.
- Trial name
- NCT06317038
- Testing
- Total 30 Contact Lens
- Where
- United States
- Volunteers
- 35 people, healthy volunteers welcome
- Sponsor
- Tauber Eye Center