Clinical trials: Eye Color
Refractive Errors
Effect of Colour Temperature of Reading Lamp on Refractive Error Development
This is a 12-month longitudinal randomized controlled trial aiming to evaluate the effect of colour temperature of reading lamp on refractive error development.
- Trial name
- NCT05733182
- Testing
- 3000K Reading lamp, 4500K Reading lamp, 6500K Reading lamp
- Where
- Hong Kong
- Volunteers
- 798 people, healthy volunteers welcome
- Sponsor
- The Hong Kong Polytechnic University
Color Blindness, Acquired
Evaluating Color Perception Under LED Red/Green and Green Dominant Light
The investigators are testing a Light-emitting Diode (LED) flashlight from First-Light™ USA called the Tomahawk MC Tactical Light to determine the range of colors people are able to see with these flashlights at night.
- Trial name
- NCT01927536
- Testing
- White LED Flashlight, Red/Green Green Dominant LED Flashlight
- Where
- United States
- Volunteers
- 39 people, healthy volunteers welcome
- Sponsor
- University of Colorado, Denver
Retinal Dystrophies, Color Vision Defects
Natural History Study of Inherited Retinal Diseases
This prospective, observational investigation seeks to delineate the interplay between chromatic vision deficits and both functional visual outcomes and anatomical retinal biomarkers in individuals affected by Inherited Retinal…
- Conditions
- Retinal Dystrophies, Color Vision Defects, Vision Disorders, Macular Degeneration
- Trial name
- MojiLVCDT (NCT07085533)
- Where
- China
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Zhongmou Therapeutics
Healthy
Naturally Produced Cannabinoids for Neuroprotection From Concussion
The goal of this double-blind, placebo-controlled, cross over study is to learn about the neuroprotective properties of a broad-spectrum cannabinoid formulation in normal healthy adults engaged in elite contact sport competition.
- Trial name
- NCT07715864
- Testing
- Broad spectrum cannabinoid formulation
- Where
- Canada
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- University of Regina
Visual Impairment and Blindness (Excl Colour Blindness)
A Trial of Tai Chi Intervention for Youngsters with Visual Impairments
Investigators conducted a single-blind, randomized trial of Taijiquan exercise as compared with a control intervention consisting of wellness education and jogging for youngsters with visual impairments.
- Trial name
- NCT06450340
- Testing
- Moderate-intensity aerobic exercise refers to rhythmic and long-lasting exercise with increased heart rate, slight sweating and slight wheezing.
- Where
- China
- Volunteers
- 44 people, healthy volunteers welcome
- Sponsor
- Yanyun Zhang
Diabetic Retinopathy
Automated AI-based System for Early Diagnosis of Diabetic Retinopathy
In this pivotal trial, we aim to perform a prospective study to find the efficacy of iPredict, an artificial intelligence (AI) based software tool on early diagnosis of Diabetic Retinopathy (DR)in the primary care, optometrist…
- Trial name
- NCT05324189
- Testing
- Referable versus Non Referable Diabetic Retinopathy diagnostic test
- Where
- United States
- Volunteers
- 1,000 people, healthy volunteers welcome
- Sponsor
- The New York Eye & Ear Infirmary
Eye Color
Iris Colors in Neonates: Do They Really Change? Prevalence, Predicting Factors and Associated Characteristics
The goal of our study is to examine eye color at birth and the longitudinal change in eye color of preterm and full-term newborns.
- Trial name
- NCT03072368
- Testing
- Photograph
- Where
- Israel
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Hillel Yaffe Medical Center
Age Related Macular Degeneration, Retinitis Pigmentosa
Visual Activity Evoked by Infrared in Humans After Dark Adaptation
This pilot study will evaluate the visual response to infrared (IR) in humans after dark adaptation. The investigators plan to determine which wavelength and intensity the human eye is most sensitive to in healthy and color-blind…
- Conditions
- Age Related Macular Degeneration, Retinitis Pigmentosa, Congenital Stationary Night Blindness, Colorblindness
- Trial name
- NCT02909985
- Testing
- Tungsten halogen light with narrow bandpass filters
- Where
- United States
- Volunteers
- 21 people, healthy volunteers welcome
- Sponsor
- University of New Mexico
Smoking Cessation
Cognitive-Behavioral Therapy and Hypnotherapy for Smoking Cessation
Intensive cognitive-behaviour interventions (CBT) combined with pharmacotherapy for smoking cessation are well established and have been proved to be efficacious.
- Trial name
- CBT-HT (NCT01129999)
- Testing
- Cognitive-Behavioral Therapy, Hypnotherapy
- Where
- Germany
- Volunteers
- 360 people, healthy volunteers welcome
- Sponsor
- University Hospital Tuebingen
Graves' Disease, Graves' Ophthalmopathy
Color Doppler Imaging of Orbital Venous Flow in Grave's Orbitopathy
Orbital Venous flow study in patients with Grave's Orbitopathy in different manifestation forms and stages, made with Color Doppler Imaging
- Trial name
- NCT00697528
- Where
- Brazil
- Volunteers
- 66 people, healthy volunteers welcome
- Sponsor
- University of Sao Paulo
Tinnitus
A CBT-based Internet Intervention for Adults With Tinnitus in the United Kingdom
The purpose of this study is to determine the feasibility and effectiveness of a CBT-based internet intervention for adults with tinnitus in the United Kingdom
- Trial name
- NCT02370810
- Testing
- CBT-based internet-intervention for tinnitus
- Where
- United Kingdom
- Volunteers
- 146 people, healthy volunteers welcome
- Sponsor
- Anglia Ruskin University
Cosmetic Appearance
Lotrafilcon B Plano Cosmetic Contact Lenses Study
The purpose of this study is to gather long-term performance and safety data on AIR OPTIX™ COLORS (lotrafilcon B) plano cosmetic contact lenses in subjects 12 years of age and older.
- Trial name
- NCT06493383
- Testing
- Lotrafilcon B plano cosmetic contact lenses
- Where
- United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- Alcon Research
Eye Diseases
Deep Learning for Classification of Scheimpflug Corneal Tomography Images
Keratoconus is a common disorder. An early diagnosis influences the disease prognosis in the affected patients and prevents postoperative complications in patients with keratoconus considering refractive surgery.
- Trial name
- NCT04497207
- Testing
- Scheimpflug Camera Corneal Tomography
- Where
- Egypt
- Volunteers
- 1,669 people, healthy volunteers welcome
- Sponsor
- Assiut University
Retinitis Pigmentosa, Leber's Hereditary Optic Neuropathy
Pupil Dynamics and Color Vision for the Detection of Eye Diseases
The development of new oculometry techniques allows fine and dynamic measurements of pupillary diameter and use in routine clinical practice.
- Conditions
- Retinitis Pigmentosa, Leber's Hereditary Optic Neuropathy, Stargardt Disease
- Trial name
- PupDyn (NCT04909398)
- Testing
- Dynamic pupillometry sessions
- Where
- France
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Centre Hospitalier National d'Ophtalmologie des Quinze-Vingts
Diabetes, Diabetic Retinopathy
Pivotal Trial of Automated Artificial Intelligence (AI) Based System for Early Diagnosis of Diabetic Retinopathy
In this pivotal trial, we aim to perform a prospective study to find the efficacy of iPredict-DR, an artificial intelligence (AI) based software tool on early diagnosis of Diabetic Retinopathy (DR) in the primary care and…
- Trial name
- NCT07151001
- Testing
- No intervention
- Where
- United States
- Volunteers
- 922 people, healthy volunteers welcome
- Sponsor
- iHealthScreen Inc
Migraine, Headache
Migraine Headache Mitigation Utilizing Avulux
This will be a randomized double blind cross over interventional trial to determine if Avulux lenses are able to reduce headache symptoms in patients
- Conditions
- Migraine, Headache, Photophobia
- Trial name
- NCT06149000
- Testing
- Avulux Lenses
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Kaiser Permanente
Cosmetic Appearance
Cosmetic Contact Lenses Post-Market Clinical Follow-up Study
The purpose of this post-market study is to gather long term performance and safety data on FreshLook® One-day Colors cosmetic contact lenses and DAILIES FreshLook® ILLUMINATE cosmetic contact lenses in participants 12 years of…
- Trial name
- NCT06517316
- Testing
- Nelfilcon A plano cosmetic contact lenses
- Where
- United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- Alcon Research
Tooth Decay
This Research Study Examines the Effects of Cannabidiol-infused Candy on Reducing the Bacteria Causing Tooth Decay, When Comparing it to a Sugar Free Candy on Adults.
The goal of this clinical trial is to compare the effect of CBD candy versus sugar free candy on reducing the number of bacteria causing tooth decay, in adults The main question is to see whether CBD have any effect on reducing…
- Trial name
- NCT06301113
- Testing
- CBD infused candy, Sugar free Candy
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- West Coast University
Retinal Disease, Diabetic Retinopathy
Color Fundus Photograph With Experts Labelling
This trial aims to provide a digital retinal image dataset from Pakistan, graded by three specialists according to the severity of Diabetic Retinopathy. The dataset aims to improve research and patient care.
- Trial name
- NCT06287645
- Testing
- Color Fundus Photography/Non-Mydriatic Opthalmic Cameras
- Where
- Pakistan
- Volunteers
- 50,000 people, healthy volunteers welcome
- Sponsor
- Pakistan Council of Scientific and Industrial Research
Color Blindness, Color Vision Defects
Impact of Color Correcting Lenses on Color Vision Deficiency
To demonstrate improved color vision in subjects with color vision deficiencies while wearing color-correcting lenses and after color-correcting lense use.
- Conditions
- Color Blindness, Color Vision Defects, Color Blindness, Green, Color Blindness, Red
- Trial name
- NCT05463016
- Testing
- Experimental Group 1: Color Correcting Lenses, Color Correcting Lenses in Subjects with Normal Color Vision
- Where
- United States
- Volunteers
- 35 people, healthy volunteers welcome
- Sponsor
- University of the Incarnate Word