Clinical trials: Light
Myopia
Efficacy and Influencing Factors of Repeated Low-level Red-light in Myopia
To evaluate the long-term efficacy of repeated low-level red-light (RLRL) therapy in the prevention and control of myopia in children, and to analyze the key factors influencing its efficacy (such as individual differences and…
- Trial name
- RLRL (NCT07104513)
- Testing
- Red Light
- Where
- 2 sites in China
- Volunteers
- 3,000 people, healthy volunteers welcome
- Sponsor
- Ruihua Wei
Lipodystrophy, Body Dysmorphic Disorders
White Light Scanning to Aid Body Contouring: A Pilot Project
A white light scanner can more accurately measure body contouring subjects than standard anthropomorphic methods.
- Trial name
- NCT01093950
- Where
- United States
- Volunteers
- 500 people, healthy volunteers welcome
- Sponsor
- Eastern Virginia Medical School
Cataract
Blue Light Intraocular Lenses (IOLs) and Photostress
To determine what effect a blue light filtering Intraocular Lens (IOL) has on macular pigment levels.
- Trial name
- NCT00710996
- Where
- United States
- Volunteers
- 58 people, healthy volunteers welcome
- Sponsor
- Alcon Research
Physical Activity, Emotions
Lighting and Human Response in Motor Time, Autonomic Nervous System, and Emotion
Light influences on human movement, autonomic nervous system, and emotion. It is inconclusive whether illuminance (Ev) and colour temperature (Tc) is appropriate to human movement, autonomic nervous systme, and emotion.
- Conditions
- Physical Activity, Emotions, Autonomic Nervous System Imbalance
- Trial name
- LiHR (NCT03144791)
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Mahidol University
Tooth Bleaching, Dentin Sensitivity
In-office Bleaching Using a Violet Light
The objective of this clinical study is to evaluate the effect of the whitening treatment performed with the violet LED light (405-410 nm), with or without a bleaching gel, on the tooth color changes (immediate and long-term)…
- Trial name
- NCT03207204
- Testing
- 35% Hydrogen peroxide bleaching, 30% Carbamide peroxide bleaching, Violet LED bleaching 1
- Where
- Brazil
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- University of Sao Paulo
Dry Eye Syndromes
Comparison Of Blue Light Filter Feature and Blue Blocking Lenses in Digital Device Users With Dry Eye Patients
Comparing Blue Light Filter feature and Blue Blocking Lenses for Dry Eye Patients Prolonged screen time can exacerbate dry eye symptoms.
- Trial name
- NCT06913504
- Testing
- Blue cut filter, blue cut glasses
- Where
- Pakistan
- Volunteers
- 54 people, healthy volunteers welcome
- Sponsor
- Superior University
Colorectal Polyp, Colorectal Adenoma
Standard Colonoscopy Versus Colonoscopy With Endocuff Vision
This study seeks to compare colonoscopy results between a standard method and one using a distal scope attachment (Endocuff Vision).
- Conditions
- Colorectal Polyp, Colorectal Adenoma, Colon Cancer
- Trial name
- NCT03361917
- Testing
- Endocuff Vision
- Where
- United States
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Indiana University
Measurement of Pupil Diameter
Effects of Sevoflurane and Propofol on Light Flash Evoked Pupillometry
Null hypothesis (HO): There will be no difference in pupillometry readings when using any of the maintenance anesthetic techniques within subjects.
- Trial name
- NCT00695890
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University of Medicine and Dentistry of New Jersey
Nutrition Labeling, Tax Policy
Supermarket Labelling and Taxation Study
Participants will be assigned to one of four conditions: (i) nutrient warning labelling and no taxation, (ii) nutrient warning labelling and taxation, (iii) current traffic light labelling and taxation or (iv) a control condition…
- Trial name
- NCT07339982
- Testing
- Labelling, Taxation
- Where
- United Kingdom
- Volunteers
- 829 people, healthy volunteers welcome
- Sponsor
- University of Liverpool
Sleep Disturbance
Intervention Study in Elderly With Sleep Problems
The main objective of the study is to improve subjective sleep quality using a multimodal intervention with an intervention and a control group. The multimodal intervention aims to improve circadian Zeitgeber strength.
- Trial name
- CIEL (NCT05485415)
- Testing
- Multimodal intervention, Control
- Where
- Switzerland
- Volunteers
- 66 people, healthy volunteers welcome
- Sponsor
- Mirjam Münch
Solar Lentigo
Evaluation of Broadband Light Treatment for Solar Lentigines
Broadband light treatment for Solar Lentigines
- Trial name
- NCT06363240
- Testing
- Broadband Light
- Where
- United States
- Volunteers
- 4 people, healthy volunteers welcome
- Sponsor
- Sciton
Bipolar Disorder, Circadian Rhythm
Effects of Sex Hormones on Circadian Rhythm in Men and Women
For many years researchers have been trying to better understand the regulation of sleep and activity by studying circadian (daily) rhythms of human beings.
- Conditions
- Bipolar Disorder, Circadian Rhythm, Depressive Disorder
- Trial name
- NCT00001285
- Where
- United States
- Volunteers
- 73 people, healthy volunteers welcome
- Sponsor
- National Institute of Mental Health (NIMH)
Bright Light Treatment, Emotion
Effects of a Single Dose of Bright Light Treatment on Measures of Affective Information Processing
This study aims to investigate the effects of a single session of bright light treatment (BLT) on emotional information processing in healthy volunteers.
- Conditions
- Bright Light Treatment, Emotion, Facial Expression Recognition
- Trial name
- NCT03688048
- Testing
- Bright light treatment lamp
- Where
- United Kingdom
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- University of Oxford
Excessive Physical Exercise, Unspecified
Phototherapy Applied in Combination With Aerobic Training
Interventional
- Trial name
- NCT02874976
- Testing
- Active and Active Phototherapy
- Where
- Brazil
- Volunteers
- 96 people, healthy volunteers welcome
- Sponsor
- University of Nove de Julho
Healthy Night Shift Workers
Light and Exercise in Night-shift Workers
EuRhythDia is a multicenter, controlled and randomized study. The aim of the study is to investigate the effects of 12 weeks of randomized timed light therapy or timed physical exercise as a chronotherapeutic lifestyle…
- Trial name
- NCT01767181
- Testing
- Intensive light therapy, Exercise
- Where
- Germany
- Volunteers
- 154 people, healthy volunteers welcome
- Sponsor
- Universitätsklinikum Hamburg-Eppendorf
Neurofilament Light Chain, Glial Fibrillary Acidic Protein
Analysis of NfL and GFAP in Different Dietary Patterns
This observational study aims to investigate the impact of different dietary patterns on brain tissue biomarkers in healthy young adults by measuring blood levels of NfL and GFAP.
- Conditions
- Neurofilament Light Chain, Glial Fibrillary Acidic Protein, GFAP, Vegan Diet
- Trial name
- NCT07312994
- Where
- Austria
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- Salzburger Landeskliniken
Pain, Postoperative, Edema
Effectiveness of Light-emitting Diode (LED) Photobiomodulation in the Extraction of Retained Lower Third Molars
In dentistry, one of the most common surgical procedures is the removal of included third molars. This surgery generates great morbidity to patients for causing pain, edema and trismus due to surgical trauma.
- Conditions
- Pain, Postoperative, Edema, Trismus, Quality of Life
- Trial name
- NCT03442166
- Testing
- LED group
- Where
- Brazil
- Volunteers
- 34 people, healthy volunteers welcome
- Sponsor
- University of Nove de Julho
Suicidal Ideation, Regulation, Emotion
Effect of Morning Light Exposure on Mood
Mood dysregulation and suicidal ideation are closely associated with disruption of sleep and circadian rhythms. Moreover, sleep problems and circadian disruption are commonplace features of military life.
- Trial name
- NCT05616819
- Testing
- Active light exposure
- Where
- United States
- Volunteers
- 480 people, healthy volunteers welcome
- Sponsor
- University of Arizona
Sun Damaged Skin
Singlet Oxygen Quantification After Skin Exposure to Ultraviolet A (UVA) Light
The objective of this study is quantification of singlet oxygen species in the skin after exposure to Ultraviolet A (UVA) light
- Trial name
- NCT05865431
- Testing
- Zinc Oxide and Avobenzone
- Where
- United States
- Volunteers
- 17 people, healthy volunteers welcome
- Sponsor
- University of California, Davis
Algorithm Verification
mCVI® Lighting Conditions Clinical Study
This single center prospective clinical study is to verify the algorithm of mCVI® in 4 different lighting conditions to accurately capture pulse rate and respiratory rate in 10 healthy subjects in comparison to…
- Trial name
- NCT04811300
- Testing
- There is no intervention
- Where
- United States
- Volunteers
- 9 people, healthy volunteers welcome
- Sponsor
- Intelomed, Inc.