Clinical trials: Eye Disorders
Keratitis, Herpetic, Ocular Herpes Simplex
Herpetic Eye Disease Study (HEDS) II
To determine whether early treatment (with oral acyclovir) of herpes simplex virus (HSV) ulcerations of the corneal epithelium prevents progression to the blinding complications of stromal keratitis and iridocyclitis.
- Conditions
- Keratitis, Herpetic, Ocular Herpes Simplex, Herpes Simplex
- Trial name
- NCT00000139
- Testing
- Stress, Acyclovir
- Where
- 8 sites in United States
- Sponsor
- National Eye Institute (NEI)
Pupillary Constriction, Accomodation
Adjusted Study Protocol: Within-Subject Paired-Eye Design Comparing Pilocarpine 0.1%, Phentolamine 0.75%, and Combination Therapy for Cyclopentolate Reversal in Children
The study aims at reversing pupillary dilatation. and cycloplegia in children undergoing cycloplegic refraction for eyeglasses prescription and ocular examination.
- Trial name
- NCT07012512
- Testing
- Use of phentolamine eye drops to reverse cycloplegia, Pilocarpine 0.1%, Combination of pilocarpine 0.1% and phentolamine 0.75%
- Volunteers
- 60 people
- Sponsor
- Mansoura University
Myopia, Astigmatism
Toric Orthokeratology - Slowing Eye Elongation
The aims of this study are to investigate the effects of ortho-k for astigmatic and myopic reduction and myopic control in children, and the long term effects on corneal curvatures and biomechanics.
- Trial name
- TO-SEE (NCT00978692)
- Testing
- Toric Orthokeratology lenses, Single-vision spectacles
- Where
- China
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- The Hong Kong Polytechnic University
Ocular Hypertension, Open Angle Glaucoma
Dose Finding Clinical Trial With SYL040012 to Evaluate the Tolerability and Effect on Intraocular Pressure in Subjects With Ocular Hypertension or Open Angle Glaucoma
The aim of this dose-finding clinical trial is to evaluate the systemic tolerability, local tolerability and intraocular pressure lowering effect of three different doses of SYL040012 in subjects with ocular hypertension or…
- Trial name
- NCT01739244
- Testing
- SYL040012
- Where
- 11 sites in Estonia, Germany and 1 more
- Volunteers
- 80 people
- Sponsor
- Sylentis, S.A.
Hyperopia, High Astigmatism
Fresh Corneal Lenticule Implantation in Hyperopic Patients With High Astigmatism
The refractive combination of high hyperopia with high astigmatism is difficult to treat surgically. In addition, there are not many suitable options to offer such patients presenting with this condition.
- Trial name
- NCT04616144
- Testing
- Fresh Corneal Lenticule Implantation using Relex-Smile VisuMax Femtosecond Laser
- Where
- Kosovo
- Volunteers
- 55 people
- Sponsor
- Eye Hospital Pristina Kosovo
Bipolar Disorder, Light Sensitivity
Light at Night Study
The purpose of this mechanistic study is to examine light sensitivity (melatonin suppression) in people with bipolar depression I, and compare it to healthy controls. This is not a treatment study.
- Trial name
- LAN (NCT04251234)
- Testing
- Light intensity, ~30 lux, Baseline light intensity, <1 lux
- Where
- United States
- Volunteers
- 2 people, healthy volunteers welcome
- Sponsor
- University of Michigan
Macular Edema, Retinal Vein Occlusion
A Study of the Safety and Efficacy of a New Treatment for Macular Edema Resulting From Retinal Vein Occlusion
This study will evaluate the safety and efficacy of an intravitreal implant of dexamethasone for the treatment of macular edema associated with retinal vein occlusion.
- Trial name
- NCT00168298
- Testing
- 700 µg Dexamethasone, 350 µg Dexamethasone
- Where
- 13 sites in United States, Brazil and 11 more
- Volunteers
- 668 people
- Sponsor
- Allergan
Retinal Diseases
UHR-OCT and HD-OCT for Preretinal Membranes: ICG Versus Membrane Blue
Using the UHR-OCT and HD-OCT to evaluate early postoperative changes in patients with diagnosis preretinal membrane after successfully performed pars-plana vitrectomy and membrane peeling with two different types of dyes.
- Trial name
- NCT00437593
- Testing
- ppVE, MP, ICG, ppVE, MP, MB
- Where
- Austria
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- The Ludwig Boltzmann Institute of Retinology and Biomicroscopic Laser Surgery
Self-Help Devices, Eye-Gaze Technology
Applying Eye-Gaze Assistive Technology for Children and Youth With Complex Needs
The purpose of this research is to investigate the impacts of applying eye-gaze assistive technology (AT) in children and youth with severe disabilities and complex needs in Taiwan, where eye-gaze AT has not been researched for…
- Conditions
- Self-Help Devices, Eye-Gaze Technology, Severe Physical Disabilities, Communication Disorders
- Trial name
- NCT04377893
- Testing
- Eye gaze AT intervention
- Where
- Sweden
- Volunteers
- 5 people
- Sponsor
- Yu-Hsin Hsieh
Age - Related Macular Degeneration (AMD)
Enhanced Vision and Imaging Tests for Enabling Treatment Trials in Early and Intermediate AMD
This monocentric prospective longitudinal observational study will validate fundus-tracked dark adaptometry as an endpoint for future treatment trials in early and intermediate age-related macular degeneration (AMD).
- Trial name
- EVITE-AMD (NCT07515521)
- Where
- Germany
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- Maximilian Pfau
Amblyopia
New Visual Acuity and Crowding Tests for Better Detection of Amblyopia
Amblyopia, or 'lazy eye', is the reduction in vision usually in one eye, due to abnormal visual development without organic cause.
- Trial name
- NCT03505606
- Testing
- Visual acuity tests
- Where
- United Kingdom
- Volunteers
- 76 people, healthy volunteers welcome
- Sponsor
- Anglia Ruskin University
Macular Edema
Safety and Efficacy Study of Dexamethasone Versus Ranibizumab in Patients With Diabetic Macular Edema
This study will compare the safety and efficacy of the 700 ug dexamethasone intravitreal implant with ranibizumab 0.5 mg intravitreal injections in patients with diabetic macular edema (DME).
- Trial name
- NCT01492400
- Testing
- dexamethasone Intravitreal Implant, ranibizumab
- Where
- 13 sites in United States, Belgium and 10 more
- Volunteers
- 363 people
- Sponsor
- Allergan
Neck Pain, Unilateral Blindness
Unilateral Blindness/ Unilateral Deafness-relation to Neck Pain
Neck pain is a common complaint in the general population affecting 10-15% of the general population. females more than men. Known risk factors are: Trauma, Repetitive lifting of heavy objects at work, driving vibrating vehicles…
- Conditions
- Neck Pain, Unilateral Blindness, Unilateral Deafness
- Trial name
- NCT00589407
- Where
- Israel
- Volunteers
- 300 people
- Sponsor
- Hadassah Medical Organization
Myopia
Increased Prevalence of Myopia in a Ophthalmologic Hospital in Goiânia - Goiás
The purpose of this study was to evaluate the increased prevalence of myopia among patients in different periods in an ophthalmologic hospital in Goiania.
- Trial name
- NCT02647411
- Volunteers
- 16,971 people
- Sponsor
- Instituto de Olhos de Goiania
Refractive Errors
Treatment of Residual Hypermetropic Refraction on Young Patients After LASIK Using Human Fresh Corneal Lenticule Implantation With ReLEX Smile Surgery
LASIK (laser-assisted in situ keratomileusis) is a type of refractive surgery for correction of myopia, hyperopia and astigmatism.
- Trial name
- Relex-Smile (NCT04793893)
- Testing
- ReLex Smile
- Where
- Kosovo
- Volunteers
- 42 people
- Sponsor
- Eye Hospital Pristina Kosovo
Prematurity, Retinopathy
Study of the Involvement of Fatty Acids in Retinopathy of Prematurity: Relationship Between Retinopathy of Prematurity and the Rate of Expression of Transplacental Fatty Acid Receptors.
The development of the retinal vascular network is completed during the third trimester of pregnancy and and the first 15 days of life of the newborn.
- Trial name
- OMEGAROP 2 (NCT04819893)
- Testing
- Maternal blood sampling, Umbilical cord blood sampling, Placenta sampling
- Where
- France
- Volunteers
- 135 people
- Sponsor
- Centre Hospitalier Universitaire Dijon
Diabetes Mellitus, Type 2, Diabetic Retinopathy
Exploring the Effectiveness of AI Generative Models for Diabetic Patients
We plan to explore the usability of Generative AI-Chatbot for Diabetic Patient
- Conditions
- Diabetes Mellitus, Type 2, Diabetic Retinopathy, Diabetes
- Trial name
- NCT05883072
- Testing
- Exploring AI-Chatbot
- Where
- Pakistan
- Volunteers
- 300 people
- Sponsor
- Pakistan Council of Scientific and Industrial Research
Sleep Disorder Rem Sleep Behavior, Parkinson's Disease, Lewy Body
Establishing Alpha-synuclein RT-QuIC Assay as a Diagnostic Technique in REM Sleep Behaviour Disorder
We hypothesise that a real-time quaking induced conversion assay for the detection of pathological alpha-synuclein (α -syn RTQuIC) can be used to differentiate between cases of idiopathic REM-sleep behaviour disorder (RBD) and…
- Trial name
- NCT04266457
- Testing
- No Intervention
- Where
- United Kingdom
- Sponsor
- University of Edinburgh
Macular Edema
A Study to Evaluate the Effectiveness of Intravitreal Aflibercept in Patients With Diabetic Macular Edema and/or Macular Edema Secondary to Retinal Vein Occlusion, Which Either Have or Have Not Been Pretreated for Their Disease
AURIGA is designed to collect data from routine clinical practice on the effectiveness and utilization of intravitreal aflibercept in the treatment of visual impairment due to diabetic macular edema (DME) or macula edema…
- Trial name
- AURIGA (NCT03161912)
- Testing
- Aflibercept (Eylea, BAY86-5321)
- Where
- 11 sites in China, Egypt and 9 more
- Volunteers
- 2,481 people
- Sponsor
- Bayer
Lipid Tear Deficiency (Disorder), Dry Eye Disease
Changes in Tear Lipid Layer Thickness After Short Exposure to Light Emitting Diode Displays
Video display terminals (VDTs) are ubiquitous, and engagement in digital screens has grown substantially across all age groups worldwide. Prolonged exposure to VDTs is associated with the development of various health problems.
- Trial name
- NCT05003128
- Testing
- LED screen (InnoLux, Taiwan)
- Where
- Taiwan
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- National Cheng-Kung University Hospital