Clinical trials: Eye Color
Achromatopsia
Safety and Efficacy Trial of AAV Gene Therapy in Patients With CNGB3 Achromatopsia (A Clarity Clinical Trial)
This will be a non-randomized, open-label, Phase 1/2 study of the safety and efficacy of AGTC-401 administered to one eye by subretinal injection in individuals with achromatopsia caused by mutations in the CNGB3 gene.
- Trial name
- NCT02599922
- Testing
- rAAV2tYF-PR1.7-hCNGB3
- Where
- 8 sites in United States
- Volunteers
- 32 people
- Sponsor
- Beacon Therapeutics
Attempted Suicide, Depression
Culturally Adapted Cognitive Behavioral Therapy for Prevention of Self Harm
Aim: To adapt and develop a culturally appropriate psychological intervention and test its feasibility, and acceptability for the patients presenting to general hospital following self-harm in Karachi Pakistan.
- Trial name
- NCT01308151
- Testing
- Other
- Where
- 4 sites in Pakistan
- Volunteers
- 221 people
- Sponsor
- Pakistan Institute of Living and Learning
Achromatopsia
Natural History Study for Achromatopsia
In preparation for human clinical trials we intend to undertake a detailed phenotypic study to help to identify patients who may be suitable for therapeutic intervention.
- Trial name
- NCT04124185
- Testing
- Ocular assessments
- Where
- United Kingdom
- Volunteers
- 85 people
- Sponsor
- MeiraGTx UK II Ltd
Visual Suppression, Amblyopia
Autostereoscopic Dynamic Near Vision Testing
This is an analysis of tests of near vision. Visual perception testing using a novel program on an interactive three dimensional electronic device: Autostereoscopic dynamic near games for monocular visual acuity, stereopsis and…
- Conditions
- Visual Suppression, Amblyopia, Color Vision Defects
- Trial name
- PDICheck (NCT04606355)
- Testing
- Visual Acuity, stereopsis, Color vision
- Where
- United States
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- Alaska Blind Child Discovery
Dacryocystitis; Chronic, Lacrimal Sac Space-occupying Lesions
Color Doppler Ultrasound in Lacrimal Sac Space-occupying Lesions
Dacryocystitis and nasolacrimal duct obstruction are the main common causes of epiphora. Dacryocystorhinostomy (DCR) is a widely used and effective treatment for dacryocystitis and nasolacrimal duct obstruction.
- Conditions
- Dacryocystitis; Chronic, Lacrimal Sac Space-occupying Lesions, Color Doppler Ultrasound, Computed Tomography
- Trial name
- NCT05500950
- Testing
- CDU and CT-DCG or CT examination
- Where
- China
- Volunteers
- 21 people
- Sponsor
- Wenzhou Medical University
CBD Stone
Re-use of Ambu aScope During Exploration of the Common Bile Duct for Stones in Low-Resource Settings- a Retrospective Study
Various methods confirm stone clearance during surgical exploration of bile duct, but choledochoscopy is considered the most effective. However, choledochoscopes are expensive and often unavailable in low-resource settings.
- Trial name
- NCT07285447
- Testing
- Ambu aScope for visualization of biliary tree during exploration of CBD for stone
- Where
- Nepal
- Volunteers
- 75 people
- Sponsor
- B.P. Koirala Institute of Health Sciences
Iris Diseases
Iris Color and Day-Night Changes in the Sympathovagal Ratio
Iris melanocytes are innervated by parasympathetic and sympathetic nerve endings. Light affects autonomic nervous system activity via the retino-hypothalamic pathway.
- Trial name
- NCT05759715
- Testing
- Iris Color Measurement , LF/HF Measurement
- Volunteers
- 621 people
- Sponsor
- Ankara Ataturk Sanatorium Training and Research Hospital
Myopia
Evaluation of the Performance of AIR OPTIX® COLORS
The purpose of this study was to assess the ocular response to and performance of the cosmetically printed silicone hydrogel contact lens AIR OPTIX® COLORS compared to FRESHLOOK® COLORBLENDS.
- Trial name
- NCT01338402
- Testing
- Lotrafilcon B contact lens, Lotrafilcon B contact lens with color, Phemfilcon A contact lens with color
- Where
- Canada
- Volunteers
- 47 people
- Sponsor
- CIBA VISION
Healthy Volunteer, Retinal Disease
Color Vision as a Measure for Inherited Retinal Diseases
Background: The purpose of this study is to find out whether color vision measured with the Cambridge Color Test is a good way to examine the severity of inherited retinal diseases (IRDs).
- Conditions
- Healthy Volunteer, Retinal Disease, Inherited Retinal Degeneration
- Trial name
- NCT01878032
- Where
- United States
- Volunteers
- 166 people
- Sponsor
- National Eye Institute (NEI)
Disabilities, Visual Impairment and Blindness (Excl Colour Blindness)
Study Protocol: The Jerte Valley as an Inclusive Outdoor Classroom. Smart and Active Tourism.
To promote the inclusion of people with disabilities, an outdoor intervention will be conducted involving physical activities with adolescents with and without disabilities.
- Trial name
- NCT07609459
- Testing
- Rafting, canoeing and kayaking, Divulgation
- Volunteers
- 35 people, healthy volunteers welcome
- Sponsor
- Universidad de Extremadura
Smoking
The Effect of Emotional Freedom Techniques (EFT) in Smokers Failing a Smoking Cessation Program
The National Health Service (NHS) stop smoking service at the Central Lancashire NHS Trust serves a diverse population of smokers, with a very good quit rate and high standards.
- Trial name
- NCT00981396
- Testing
- EFT (Emotional Freedom Techniques), CBT (Cognitive Behavioral Therapy)
- Where
- United Kingdom
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Soul Medicine Institute
Depression
Using SMART Experimental Design to Personalize Treatment for Child Depression
The purpose of the study is: 1. To conduct a pilot SMART (Sequential, Multiple Assignment, Randomized) study with the long-term goal of developing a personalized treatment for child depression. 2.
- Trial name
- NCT01880814
- Testing
- Cognitive Behavioral Therapy (CBT), Caregiver-Child Treatment
- Where
- United States
- Volunteers
- 44 people
- Sponsor
- Massachusetts General Hospital
Anxiety Disorder of Adolescence
RCT of CBT Based C.A.T Project for Pakistani Adolescents With Anxiety Disorders.
Anxiety Disorders are the most prevalent mental health conditions among adolescents. The current randomized control trial aims to assess the efficacy of the C.A.T Project protocol among adolescents aged 14 to 17 years diagnosed…
- Trial name
- NCT07202715
- Testing
- CBT Based C.A.T Project- Intervention for Anxious Adolescents.
- Where
- 3 sites in Pakistan
- Volunteers
- 50 people
- Sponsor
- National University of Science and Technology
Tinnitus
Tinnitus Treatment by Structured Cognitive Behavioral Therapy
Test of hypothesis that in contrast to non-treatment tinnitus specific cognitive behavioral therapy intervention procedures that are manualized and structured within the disease management program TCP are effective.
- Trial name
- TCP (NCT00719940)
- Testing
- Cognitive behavioral therapy, Waiting group
- Where
- 4 sites in Germany
- Volunteers
- 286 people
- Sponsor
- University Hospital Tuebingen
Myopia, Refractive Error
A Comparison of Two Color Contact Lenses in Habitual Clear Contact Lens Wearers
The purpose of this study was to evaluate overall satisfaction with AIR OPTIX® COLORS as compared to FRESHLOOK® COLORBLENDS contact lenses.
- Trial name
- NCT01782482
- Testing
- Lotrafilcon B contact lens with color, Phemfilcon A contact lens with color
- Volunteers
- 574 people
- Sponsor
- Alcon Research
Increased Lordosis/Scoliosis, Hyporeflexia
Biomarker for Duchenne Muscular Dystrophy
International, multicenter, observational, longitudinal study to identify biomarker/s for Duchenne Muscular Dystropy (DMD) and to explore the clinical robustness, specificity, and long-term variability of these biomarker/s.
- Conditions
- Increased Lordosis/Scoliosis, Hyporeflexia, Duchenne Muscular Dystrophy, Red-Green Color Blindness
- Trial name
- BioDuchenne (NCT02994030)
- Where
- 12 sites in Albania, Egypt and 6 more
- Volunteers
- 103 people
- Sponsor
- CENTOGENE GmbH Rostock
Open-Angle Glaucoma, Ocular Hypertension
Study of TRAVATAN in Subjects With Iris Pigmentation Changes
The purpose of this study was to monitor iris pigmentation changes over a 5-year period in patients with open-angle glaucoma or ocular hypertension.
- Trial name
- NCT00047554
- Testing
- Travoprost, 0.004% ophthalmic solution
- Volunteers
- 336 people
- Sponsor
- Alcon Research
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
Refractive Error
AIR OPTIX® COLORS Registration Trial
The purpose of this study was to evaluate the subjective and objective performance and the physiological response to AIR OPTIX® COLORS soft contact lenses compared with AIR OPTIX® AQUA contact lenses in participants with normal…
- Trial name
- NCT01440322
- Testing
- Lotrafilcon B contact lens with color, Lotrafilcon B contact lens
- Volunteers
- 150 people
- Sponsor
- CIBA VISION
Myopia
A Comparison of AIR OPTIX® COLORS Versus FRESHLOOK® COLORBLENDS
The purpose of this study was to evaluate the overall comfort of AIR OPTIX® COLORS compared to FRESHLOOK® COLORBLENDS in habitual wearers of the FRESHLOOK® COLORBLENDS .
- Trial name
- NCT01635933
- Testing
- Lotrafilcon B contact lens with color, Phemfilcon A contact lens with color
- Volunteers
- 370 people
- Sponsor
- Alcon Research