Clinical trials: Visual Fatigue
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
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
Blue-blocking Glasses
Visual Health Evaluation of New Designed Blue-blocking Glasses
With the widespread use of electronic display devices, the potential hazards of blue light have become an important public health issue.
- Trial name
- NCT06984783
- Testing
- The new type of filtering glasses can efficiently filter out the high-energy blue and green light within a narrow wavelength band.
- Where
- China
- Volunteers
- 25 people, healthy volunteers welcome
- Sponsor
- Beijing Tongren Hospital
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
COVID-19, Accommodation Spasm
Ocular and Cardiac Effects of Battle Ground
Mobile battle ground games are widely used in various age groups, there are ocular and cardiac affection that may affect users of this type of action games.
- Conditions
- COVID-19, Accommodation Spasm, Tachycardia, Stress Reaction
- Trial name
- NCT05377931
- Testing
- Changes in heart pulse rate, Changes in eye strain
- Where
- Egypt
- Volunteers
- 150 people
- Sponsor
- Benha 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
Anxiety, Digital Eye Strain
Reducing Eye Strain and Anxiety Using a Digital Intervention During Online Learning Class Recess Among Children at Home: A Randomized Controlled Trial
The primary aim of the current study is to conduct a cluster-randomized control trial to evaluate the effectiveness of a novel digital intervention in reducing anxiety and digital eye strain compared to usual care among Chinese…
- Trial name
- RESILIENT (NCT04309097)
- Testing
- Digital intervention, Information-only intervention
- Where
- China
- Volunteers
- 954 people
- Sponsor
- Sun Yat-sen University
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
Binocular Dysfunction, Vertical Heterophoria
Effects of Prismatic Spectacle Lenses on Symptoms of Dizziness, Headache and Anxiety as Caused by Vertical Heterophoria
The purpose of this study is to demonstrate whether, in patients diagnosed with Vertical Heterophoria, the symptoms of dizziness, headache and / or anxiety are reduced or eliminated when a kind of correction called vertical prism…
- Conditions
- Binocular Dysfunction, Vertical Heterophoria, Vision, Binocular, Vision Disparity
- Trial name
- NCT00785135
- Testing
- Lenses containing prismatic correction, Lenses not containing prismatic correction
- Where
- United States
- Volunteers
- 13 people
- Sponsor
- Vision Specialists of Birmingham
Visual Acuity
Effects of Forward Head Posture Correction on Visual Acuity in Low Level Visually Impaired University Students
The aim of this research is to find the effect of forward head posture correction on visual acuity and fatigue in low level visually impaired university students.
- Trial name
- NCT06019806
- Testing
- POSTURAL CORRECTION four exercises, postural Correction education with a manuscript
- Where
- Pakistan
- Volunteers
- 48 people
- Sponsor
- Riphah International University
Dry Eye Syndromes, Computer Vision Syndrome
The Effect of 3% Diquafosol Ophthalmic Solution on Visual Display Terminal-associated Dry Eye
This study aims to evaluate the efficacy and safety of 3% Diquafosol Ophthalmic Solution for visual display terminal (VDT)-associated dry eye and to investigate the mechanism of treatment.
- Conditions
- Dry Eye Syndromes, Computer Vision Syndrome, Asthenopia
- Trial name
- NCT04668118
- Testing
- Diquafosol
- Where
- China
- Volunteers
- 68 people
- Sponsor
- Peking University Third Hospital
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
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
Colorectal Cancer Screening, Colon Adenomatous Polyp
Ambient Lighting During Colonoscopy and Its Effect on Adenoma Detection Rate and Eye Fatigue
A retrospective and prospective study to determine if the use of ambient lighting during screening colonoscopy is well tolerated and if ambient lighting will help physicians maintain adenoma detection rates while decreasing…
- Trial name
- NCT04441242
- Testing
- Ambient lighting, Low lighting
- Where
- United States
- Volunteers
- 1,109 people
- Sponsor
- Wake Forest University Health Sciences
Digital Eye Strain, Computer Vision Syndrome
Effect of Treatment With Systane Ultra in Symptomatology and Visual Task Efficiency in Digital Device Users
This study assessed the effect of one month of use of preservative-free artificial tears (Systane Ultra UD, Alcon) on symptomatology related to digital eye strain (DES), visual task performance, and tear film stability in visual…
- Conditions
- Digital Eye Strain, Computer Vision Syndrome, OSDI
- Trial name
- NCT06505174
- Testing
- Hydroxypropyl Guar-based artificial tears four times per day
- Where
- Spain
- Volunteers
- 34 people
- Sponsor
- University of Valladolid
Dry Eye Disease (DED), Asthenopia
Effect of Smart Phone Reflective Light Film on Dry Eyes and Asthenopia
This study aimed to evaluate the effect of anti-reflection (AR) and circularly polarized (CP) film on video display terminal (VDT) induced dry eye and asthenopia after limited time and close distance of visual tasks under light…
- Trial name
- NCT06992635
- Testing
- using non-processing screens, using AR+CP screens
- Where
- China
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Second Affiliated Hospital, Zhejiang University, School of Medicine
Eye Strain, Eye Strain of Both Eyes
Study of Non-inferiority Between Manzanilla Sophia® and Meticel Ofteno® 0.5% for Providing a Soothing Sensation to the Eyes.
This is a phase IV clinical study to demonstrate the non-inferiority of Manzanilla Sophia® compared to Meticel Ofteno® 0.5% in providing restful sensation to the eyes.
- Trial name
- NCT06373653
- Testing
- Manzanilla Sophia®, Meticel Ofteno®
- Volunteers
- healthy volunteers welcome
- Sponsor
- Laboratorios Sophia S.A de C.V.
Colour Perception, Color Perception
Visual Perception, Binocular Rivalry, and Fatigue-Related Individual Differences in Colour and Illumination Judgement
This observational study aims to characterise individual differences in colour perception and binocular rivalry. Participants will complete computer-based visual perception tasks, including a colour perception task and a…
- Conditions
- Colour Perception, Color Perception, Binocular Rivalry
- Trial name
- NCT07671144
- Testing
- Computer-Based Visual Perception Tasks
- Where
- 2 sites in Hong Kong
- Volunteers
- 128 people, healthy volunteers welcome
- Sponsor
- The Hong Kong Polytechnic University
Myopia,, Hyperopia,
Refraction Determination Analysis
Correlating the accuracy of a refraction done over telemedicine to that of a standard refraction, with a study hypothesis that the results will be equivalent.
- Conditions
- Myopia,, Hyperopia,, Astigmatism,, Presbyopia,
- Trial name
- NCT01995435
- Testing
- Telemedicine refraction, Traditional refraction
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Lee, Steven, M.D.
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