Clinical trials: Visual Function
Myopia
A Clinical Study to Evaluate the Remote Monitoring of Myopia Patients With the EyeQue Insight
The objective of this study is to determine whether the remote monitoring of myopia patients with the EyeQue Insight (visual acuity test) can replace regularly scheduled follow-up visits.
- Trial name
- NCT04693260
- Testing
- Visual Acuity with a Hand-held Device Supported by Mobile App.
- Where
- United States
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- EyeQue Corp.
Glaucoma
Serum Citrate in Diagnosis and Follow-up for Glaucoma
Glaucoma might be a mitochondria associated disease. Since citrate is a major component in mitochondrial metabolism its determination in blood might serve as a biomarker.
- Trial name
- NCT00804063
- Testing
- drawing blood sample
- Where
- Switzerland
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- University Hospital, Basel, Switzerland
Macular Pigment Optical Density
"Visiobiane Anti-age" Effects on Vision Parameters
The purpose of this study is to determine the benefits of "Visiobiane Anti-age" dietary supplement on macular pigment optical density, contrast sensibility and visual acuity.
- Trial name
- NCT00449917
- Testing
- lutein, DHA, vitamins
- Where
- France
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- PiLeJe
Migraine Disorders, Brain, Healthy Adult Participants
Effect of Atogepant on the Vestibulo-Ocular Reflex in Healthy Adults and Adults With Migraine
Researchers want to find out how a substance in the body called CGRP affects balance. CGRP (calcitonin gene-related peptide) is a small protein involved in migraine. Several approved migraine medicines work by blocking it.
- Conditions
- Migraine Disorders, Brain, Healthy Adult Participants, Vestibulo-Ocular Reflex
- Trial name
- VOR-GRIP (NCT07826910)
- Testing
- Atogepant 60 mg
- Where
- Switzerland
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Konrad Peter Weber
Anisometropic Amblyopia, Accommodation Disorder
Accommodation Response in Hypermetropic Anisometropia (ARIHA Study)
Anisometropic amblyopia is when one eye has a much stronger glasses prescription than the other, causing poor vision in one eye, even with glasses, because the brain favours the better-seeing eye.
- Trial name
- ARIHA (NCT06286410)
- Testing
- Bespoke glasses prescription worn during amblyopia treatment.
- Where
- United Kingdom
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- University of Sheffield
Vestibular Function Tests, Nystagmus Vestibular
Post- Rotatory Nystagmus Test: Normative Data for Spanish Adolescents and Adults
The vestibulo-ocular reflex is the motor response of our eyes in the opposite direction to a translational or rotational movement of our head.
- Trial name
- NCT04788134
- Testing
- Post-rotatory nystagmus test
- Volunteers
- 163 people, healthy volunteers welcome
- Sponsor
- Quesada, Rocío Vico
Glaucoma
Barcelona Esquerra Glaucoma Artificial Intelligence-based Screening Program (BEGAS)
Two primary care-based screening systems will be tested to identify subjects with referrable glaucoma to hospital care. Subjects between 45 to 64 years old living in the metropolitan area of Barcelona will be invited to…
- Trial name
- BEGAS (NCT06353542)
- Testing
- Software analysis, Ophthalmologist examination
- Where
- Spain
- Volunteers
- 500 people, healthy volunteers welcome
- Sponsor
- Hospital Clinic of Barcelona
Corneal Astigmatism
Treatment of Vision Disturbances Due to Corneal Irregularities by Trans-epithelial Optical Phototherapeutic Keratectomy (TE-oPTK)
This study sets out to evaluate the EpiMaster application software for use in predicting the refractive change induced by a trans-epithelial phototherapeutic keratectomy (TE-PTK) procedure in eyes with irregularly irregular…
- Trial name
- NCT03841253
- Testing
- Trans-epithelial PTK, Trans-epithelial PTK (retrospective data collection), EpiMaster Application Software
- Where
- United Kingdom
- Volunteers
- 45 people, healthy volunteers welcome
- Sponsor
- London Vision Clinic
Ocular Physiology, Regional Blood Flow
Effects of Vitamin C on Hyperoxia-Induced Reduction of Retinal Blood Flow
High arterial blood oxygen tension leads to vasoconstriction of retinal vessels, possibly related to an interaction between reactive oxygen species and endothelium-derived vasoactive factors.
- Trial name
- NCT00712907
- Testing
- vitamin C (Mayrhofer) 24mg/min i.v. for 64 min, 100% O2 (AGA) two times for 12 min
- Where
- Austria
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Medical University of Vienna
Ocular Physiology
Clinical Evaluation of Two Daily Disposable Toric Soft Contact Lenses Over One Week of Wear
This is a bilateral wear, dispensing, randomized, controlled, double-masked, 2-sequence ×2-period crossover study to evaluate ocular physiology following contact lens wear.
- Trial name
- NCT05291936
- Testing
- PRECISION1® for Astigmatism Contact Lenses, MyDay® Toric Soft Contact Lenses
- Where
- 5 sites in United States
- Volunteers
- 78 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Allergic Conjunctivitis
A Six-Week Safety Study of an Investigational Ophthalmic Solution
The purpose of this study was to evaluate the ocular safety of an investigational ophthalmic solution in subjects 2 years of age and older with asymptomatic eyes when administered once daily in both eyes for up to 6 weeks.
- Trial name
- NCT01698814
- Testing
- AL-4943A Ophthalmic Solution, AL-4943A Ophthalmic Solution Vehicle
- Volunteers
- 518 people, healthy volunteers welcome
- Sponsor
- Alcon Research
EEG Brain Oscillations, Balance Exercises
The Effect of Balance Exercises on Cognitive Function
The aim of our study is to examine the effects of balance exercises performed in virtual and real environments on visual-spatial attention and mental rotation in healthy young adult individuals using EEG brain oscillations.
- Trial name
- NCT06151093
- Testing
- Video-based games intervention, Balance exercises
- Where
- Turkey (Türkiye)
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Istanbul Medipol University Hospital
Computer Vision Syndrome
Prevalence and Sequelae of Computer Vision Syndrome in Egyptian Universities
CVS-F4 questionnaire will be used as an instrument to survey CVS prevalence and severity among medical students
- Trial name
- NCT05187221
- Testing
- CVS Group
- Where
- 2 sites in Egypt
- Volunteers
- 8,085 people, healthy volunteers welcome
- Sponsor
- Sohag University
Visual Acuity
Ophthalmologic Examinations After Infusion of ZK200775
ZK 200775 is an antagonist at the α-Amino-3-hydroxy-5-methyl-4-isoxazolepropionate (AMPA) receptor and had earned attention a possible neuroprotective agent in cerebral ischemia.
- Trial name
- NCT00999284
- Testing
- ZK200775, Sodium Chloride
- Where
- Germany
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- Charite University, Berlin, Germany
Healthy Volunteer
GSK1349572 Proton Pump Inhibitor Drug Interaction and Supratherapeutic Dose Study
GSK1349572 is an integrase inhibitor that is currently being evaluated for the treatment of HIV infection. The primary objective of this study is to determine whether the addition of a proton pump inhibitor, omeprazole, to…
- Trial name
- NCT00942136
- Testing
- GSK1349572, Omeprazole
- Where
- United States
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- GlaxoSmithKline
Head Injury, Traumatic Brain Injury (TBI)
The Head Injury-associated Photosensitivity and Pupillary Function (HIPP) Study
After a head injury, many people find that exposure to light causes them increased discomfort. By measuring how the pupil in the eye constricts to flashes of red and blue light, this study will investigate whether this phenomenon…
- Conditions
- Head Injury, Traumatic Brain Injury (TBI), Photosensitivity, Photophobia
- Trial name
- HIPP (NCT01942564)
- Where
- United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Ohio State University
Dry Eye
Evaluation of Extended Tear Film Break Up Time (TFBUT) With an Ocular Emulsion
The primary objective of this investigation will be to quantify the increase in tear film break-up time (TFBUT) associated with the instillation of a single eyedrop of an Ocular Emulsion in dry eye sufferers.
- Trial name
- NCT01368198
- Testing
- Systane Balance Lubricating Eye Drops, OPTIVE™
- Where
- 2 sites in United States, United Kingdom
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Alcon Research
Diabetic Macular Edema, Macular Edema, Cystoid
Effect of Intravitreal Long Acting Dexamethasone Implant, Ozurdex in Patients With Diabetic Macular Edema
This study is undertaken to determine the effect of intravitreal long acting dexamethasone implant,(Ozurdex®)in patients with diabetic macular edema.Diabetic macular edema is important cause of visual impairment in patients with…
- Conditions
- Diabetic Macular Edema, Macular Edema, Cystoid, Vision Disorders, Clinically Significant Macular Edema
- Trial name
- NCT01698749
- Testing
- long acting intravitreal dexamethasone implant
- Where
- India
- Volunteers
- 61 people, healthy volunteers welcome
- Sponsor
- Post Graduate Institute of Medical Education and Research, Chandigarh
Corneal Deformity, Macular Degeneration Advanced
Comparison of Ocular Changes by Surgical Menopause Using Optical Coherence Tomography (OCT)
The aim of this study is to investigate the early changes in macular thickness, corneal thickness and intraocular pressure in young women undergoing surgical menopause.
- Conditions
- Corneal Deformity, Macular Degeneration Advanced, Surgical Menopause
- Trial name
- NCT05920655
- Testing
- Optic coherence tomography
- Where
- Turkey (Türkiye)
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Batman Training and Research Hospital
Ophthalmology, Vision Screening
Community Interest in Vision Screening Technology
Virtual reality (VR) is a relatively new, emerging field within healthcare. Studies have analyzed public perceptions of virtual reality in healthcare using social media, but few have actually demonstrated and educated these…
- Trial name
- RTS2 (NCT04980430)
- Testing
- Virtual Reality
- Where
- United States
- Volunteers
- 1,000 people, healthy volunteers welcome
- Sponsor
- Icahn School of Medicine at Mount Sinai