Clinical trials: Visual Fatigue
Asthenopia, Contact Lenses
Connecting Contact Lenses and Digital Technology
This study seeks to address whether or not different types of daily disposable soft contact lenses may be a beneficial option for patients complaining of eye strain and visual discomfort while using digital devices.
- Conditions
- Asthenopia, Contact Lenses, Ocular Accommodation, Convergence, Excess
- Trial name
- NCT02921087
- Testing
- Test Daily Disposable Soft Contact Lenses, Control Daily Disposable Soft Contact Lenses
- Where
- United States
- Volunteers
- 23 people, healthy volunteers welcome
- Sponsor
- State University of New York College of Optometry
Digital Eye Strain, Computer Vision Syndrome
Effect of Yellow Light AG Mobile Phone Screen on Dry Eye and Asthenopia.
This study aimed to evaluate the protective effects of yellow-light etching anti-glare (AG) screen on Digital Eye Strain (DES) induced by prolonged video display terminal (VDT) use under dim environment, Based on the proved…
- Conditions
- Digital Eye Strain, Computer Vision Syndrome, Dry Eye, Asthenopia
- Trial name
- NCT07340359
- Testing
- reading 2h on smartphone
- Where
- China
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- Second Affiliated Hospital, Zhejiang University, School of Medicine
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
Visual Acuity
Exploration Strategies in Night Vision Sensors
The main objective of this clinical trial is to identify a variation in visual strategy characterized by both head movements and eye movements of healthy volunteers during a target detection task when images simulating night…
- Trial name
- STRAT-JVN (NCT07352904)
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Direction Centrale du Service de Santé des Armées
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
Visual Fatigue, Myopia
Exploring the Impact of Dynamic Defocus Display Schemes on Ocular Health Indicators
The present study is designed to explore the effects of dynamic defocus display technology on ocular health parameters using rigorous scientific approaches.
- Trial name
- NCT07291856
- Testing
- Dynamic Defocus Mode
- Where
- China
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- Beijing Tongren Hospital
Visual Acuity, Accommodation
Evaluation of the Protective Effects of Cordyceps Cicadae on Visual Function and Anti-Fatigue Performance in Esports Athletes
The objective of this study is to evaluate, through a clinical human consumption trial, the effects of taking two capsules (each containing 250 mg of Cordyceps cicadae mycelium, for a total intake of 500 mg per dose) of Grape…
- Conditions
- Visual Acuity, Accommodation, Dry Eye
- Trial name
- NCT07135193
- Testing
- Cordyceps cicadae, Blank control
- Where
- Taiwan
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- China Medical University Hospital
Asthenopia
Accommodative Relief for Uncomfortable Non-Presbyopes
This study will determine how multifocal contact lens correction affects symptoms of discomfort and asthenopia in a group of myopic contact lens wearers in the non-presbyopic age range (ages 30-40 years).
- Trial name
- NCT03544216
- Testing
- Multifocal Contact Lens, Single Vision Contact Lens
- Where
- United States
- Volunteers
- 84 people, healthy volunteers welcome
- Sponsor
- Ohio State University
Sleep Deprivation, Sleepiness
Shift Hours' Impact on Fatigue and Tracking of Eye Dynamics
The goal of this clinical trial is to learn how night shift-induced sleep debt affects oculomotor patterns, attentional state, and diagnostic performance in emergency radiologists.
- Conditions
- Sleep Deprivation, Sleepiness, Eye-Tracking Technology, Radiologists
- Trial name
- SHIFTED (NCT07192380)
- Testing
- Electroencephalogram, Actigraphy, Eye Tracking
- Where
- France
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- IMADIS Technologies et Services
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
Acupuncture, Eye Fatigue
Assessment of Acupuncture on Eye Fatigue
The study is designed to assess the effiacy of acupuncutre on eye fatigue. The indicator of eye fatigue is eye accommodation ability. Patients will be randomly assigned to the experimental group and the control group.
- Conditions
- Acupuncture, Eye Fatigue, Accomodation
- Trial name
- NCT06823388
- Testing
- acupuncture, pseudo-acupuncture
- Where
- Taiwan
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Chung Shan Medical University
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
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
Visual Fatigue
The Effect of 3D Autostereoscopic Video-game Play on the Visual Fatigue in Children
This study aims to examine the specific effect that 3D game play has on the control of the eyes horizontal movements. It will examine the youngest group of consumers this technology is marketed to, 7 to 11-year-olds and no…
- Trial name
- NCT02407015
- Testing
- Nintendo 3DS gameplay
- Where
- United Kingdom
- Volunteers
- 41 people, healthy volunteers welcome
- Sponsor
- University of Sheffield
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
Cultural Adaptation, Reliability
Turkish Version of Digital Eye Strain Questionnaire (DESQ)
The aims of this study were to perform cultural adaptation of the DESQ and provide information regarding the factor structure, reliability and validity of the instrument in Turkish speaking adults.
- Conditions
- Cultural Adaptation, Reliability, Validity, Adults
- Trial name
- NCT06054542
- Testing
- Cultural adaptation, reliability and validity
- Where
- Turkey (Türkiye)
- Volunteers
- 130 people, healthy volunteers welcome
- Sponsor
- Alanya Alaaddin Keykubat University
Computer Vision Syndrome, Asthenopia
Yogic Eye Exercises for Computer Vision Syndrome in Female Design Students
Computer vision syndrome (CVS) is a cluster of eye and musculoskeletal complaints - dryness, redness, blurred vision, foreign body sensation, excessive tearing, and neck, shoulder or back pain - that arises from prolonged work at…
- Conditions
- Computer Vision Syndrome, Asthenopia, Eye Strain, Dry Eye
- Trial name
- NCT07816419
- Testing
- Yogic eye exercise programme
- Where
- Saudi Arabia
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- King Saud University
Headache
Combine Effect Of Myofascial Release Technique and Ocular Muscle Exercise Among University Students
The current study aim to determine the effect of myofascial release technique and ocular muscle exercise to release eye strain headache in myopic students.
- Trial name
- NCT06406881
- Testing
- physical therapy, myofascial release therapy
- Where
- Pakistan
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- Riphah International University
Digital Eye Strain (DES)
Lactic Acid Bacteria for Reducing Blue Light-Induced Eye Fatigue
With the widespread use of digital devices and prolonged screen exposure, digital eye strain (DES), also known as computer vision syndrome, has become a global public health concern.
- Trial name
- NCT07737938
- Testing
- BL531_low dose, BL531_high dose, LR1349_low dose
- Where
- Taiwan
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- Synbio Tech Inc.
Refractive Errors, Asthenopia
Effects of Different Add Powers on the Comfort and Productivity of Computer Users With Fixed or Free Head Movement
The aim of this study is to examine the relationship between optical blur from poor refractive corrections (glasses) of older workers using computers and their productivity and comfort in the workplace.
- Trial name
- NCT00317525
- Testing
- Spectacle Lenses
- Where
- United States
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- American Optometric Association