Clinical trials: Visual Perception
Vision Disorders, Strabismus
Vision in Children Born to Opioid-dependent Methadone-maintained Mothers
The investigators will re-investigate 150 children studied extensively in the past. 100 of these children were born to mothers prescribed methadone during their pregnancy because of opiate dependency, and 50 were comparison…
- Conditions
- Vision Disorders, Strabismus, Nystagmus, Binocular Vision Disorder
- Trial name
- VINCH (NCT03603301)
- Where
- United Kingdom
- Volunteers
- 200 people
- Sponsor
- NHS Greater Glasgow and Clyde
Ocular Itching, Ocular Allergy
Efficacy and Safety of PRO-118 Ophthalmic Solution in Allergic Conjunctivitis
The purpose of this study is to evaluate the efficacy and safety of four doses of PRO-118 ophthalmic solution ophthalmic solution compared with placebo, for the treatment of seasonal (SAC) and perennial (PAC) allergic…
- Conditions
- Ocular Itching, Ocular Allergy, Seasonal Allergic Conjunctivitis, Perennial Allergic Conjunctivitis
- Trial name
- PRO-118 (NCT01541904)
- Testing
- PRO-118 Ophthalmic Solution 0.015%, PRO-118 Ophthalmic Solution 0.015 %, PRO-118 Ophthalmic Solution 0.020 %
- Where
- 2 sites in Mexico
- Sponsor
- Laboratorios Sophia S.A de C.V.
Eye Diseases
IRIS Registry: Intelligent Research in Sight Registry
The IRIS™ Registry (Intelligent Research in Sight) is the nation's first comprehensive eye disease clinical registry. The American Academy of Ophthalmology is developing it as part of the profession's shared goal of continual…
- Trial name
- IRISRegistry (NCT02485847)
- Testing
- Ophthalmology
- Where
- United States
- Volunteers
- 20,000,000 people
- Sponsor
- American Academy of Ophthalmology
Diabetic Retinopathy, Sickle Cell Trait
Diabetic Retinopathy and Sickle Trait
To more clearly ascertain the relationship between ocular manifestations of sickle cell disease and diabetes, specifically; whether the presence of sickle cell trait exacerbates the disease progression of diabetic retinopathy.
- Trial name
- NCT00720317
- Where
- United States
- Volunteers
- 48 people
- Sponsor
- Medical University of South Carolina
Amblyopia
OCT-A and Amblyopia
Detect changes in retinal vessel density in the superficial and deep capillary plexuses using OCTA in children with anisometropic amblyopia
- Trial name
- NCT05223153
- Testing
- Optical Coherence tomography angiography
- Where
- Egypt
- Volunteers
- 32 people
- Sponsor
- Minia University
Glaucoma, Ocular Hypertension
Non-Interventional Study In Patients With Ocular Hypertension And Open Angle Glaucoma Treated With Xalatan And Xalacom
Non-interventional study to obtain real life data from the treatment with Xalatan and Xalacom in Germany and to assess the long-term efficacy and tolerability under routine conditions.
- Trial name
- XCHANGE (NCT01012245)
- Testing
- no intervention
- Volunteers
- 28,812 people
- Sponsor
- Pfizer's Upjohn has merged with Mylan to form Viatris Inc.
CAD Test; Children's Vision; Colour Assessment; Colour Vision; Turkey
Prevalence and Severity of Colour Vision Deficiency Among Turkish Children
To evaluate the usability of the Colour Assessment and Diagnosis (CAD) test in children. To determine the prevalence of colour vision deficiency (CVD) among Turkish children, to identify the class of deficiency and to quanify…
- Trial name
- NCT04048499
- Testing
- the Colour Assessment and Diagnosis (CAD) test
- Where
- Turkey (Türkiye)
- Volunteers
- 1,374 people, healthy volunteers welcome
- Sponsor
- Medipol University
Acute Acquired Comitant Esotropia
Efficacy of Botulinum Toxin Type A for Acute Acquired Comitant Esotropia: An Age-Stratified Two-Year Follow-Up Study
The goal of this clinical trial is to assess and compare the efficacy of two-year follow-up botulinum toxin type A （BTXA) in the treatment of acute acquired comitant esotropia (AACE) across five age groups: ≤6 years, >6 to ≤12…
- Trial name
- NCT06966999
- Testing
- Botulinum Toxin Type A Injection [Botox]
- Where
- China
- Volunteers
- 276 people
- Sponsor
- Second Affiliated Hospital, Zhejiang University, School of Medicine
Central Visual Impairment
Peripheral Reading
The purpose of this study is to evaluate reading performance in the visual periphery by simulating central vision loss using a computer-controlled gaze-contingent display with an eye tracker.
- Trial name
- NCT03640130
- Testing
- Gaze-contingent text enhancement
- Where
- United States
- Volunteers
- 6 people, healthy volunteers welcome
- Sponsor
- University of Houston
Eye Diseases
Increasing Vision Center Service Utilization
Background: Vision Centre (primary eyecare facility): a major eye care service model catering to underserved rural areas. The sustainability of rural Vision Centres (VC) in north India is a major challenge due to the…
- Trial name
- NCT04800718
- Testing
- Intervention Arm
- Where
- India
- Volunteers
- 1,500 people
- Sponsor
- Seva Foundation
Glaucoma, Open-Angle
Micropulsed Laser Trabeculoplasty Using Different Parameters
This randomized, double blinded, clinical trial compares two different parameters setting of micropulsed laser trabeculoplasty for open angle glaucoma. Group one is treated with 1500 mW of Power, Group two with 1000 mW.
- Trial name
- NCT04900142
- Testing
- Micropulsed laser trabeculoplasty
- Where
- 2 sites in Italy
- Volunteers
- 50 people
- Sponsor
- University of Modena and Reggio Emilia
Glaucoma
Outcomes of Intraoperative 5-Fluorouracil Versus Mitomycin C
A clinical trial to establish the long term response of using intraoperative 5-fluorouracil (5-FU) versus mitomycin C (MMC) in trabeculectomy glaucoma surgery.
- Trial name
- NCT00346489
- Testing
- 5-fluorouracil, Mitomycin C
- Where
- 2 sites in United States
- Volunteers
- 70 people
- Sponsor
- Indiana University
Visual Deficiencies
Exploration of the Role of Vision on Spatial Cognition
Atypical developpement of spatial cognition has been shown in congenital bindness with some consequences on mathematic learning (Cattaneo et al., 2010) as well as on the mental representation of spatial maps (Thinus-Blanc \&…
- Trial name
- SpatioCog (NCT06088797)
- Testing
- METRIC COMPARISON Tasks : Tactile PVSE test, METRIC COMPARISON Tasks : Classic PVSE test, Mental imagery task
- Where
- France
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Hospices Civils de Lyon
Macular Holes, Epiretinal Membrane
Intraoperative OCT Guidance of Intraocular Surgery II
The overall five-year goals of the project are to develop novel technology to provide actionable new information through provision of live volumetric imaging during surgery, improving surgical practice and outcomes.
- Conditions
- Macular Holes, Epiretinal Membrane, Diabetic Retinopathy, Retinal Detachment
- Trial name
- MIOCT (NCT03713268)
- Testing
- Microscope integrated optical coherence tomography
- Where
- United States
- Volunteers
- 262 people, healthy volunteers welcome
- Sponsor
- Duke University
Bradycardia, Strabismus
Oculocardiac Reflex Brain Wave Monitor
Oculocardiac reflex during routine strabismus surgery was prospectively observed in association with routine brain wave monitoring.
- Trial name
- OCRBIS (NCT03663413)
- Testing
- non-invasive monitor
- Volunteers
- 188 people
- Sponsor
- Alaska Blind Child Discovery
Amblyopia
Assessment of Device for Treatment of Amblyopia
The study will evaluate the effect of Reviview™, a dichoptic video display device for administrating a novel treatment protocol for Amblyopia (lazy eye) in kids.
- Trial name
- NCT02003235
- Testing
- Daily watching videos using Reviview™, a dichoptic video display device, for 60 min
- Where
- Israel
- Volunteers
- 35 people
- Sponsor
- Visior Technologies Ltd.
Myopia
Pilot Study of Neurovision to Improve Vision and Slow Myopia Progression in Children With Myopia
This is a pilot study to assess the effectiveness of Neurovision treatment in the improvement of vision in children being under-corrected and to assess the effectiveness of Neurovision treatment in slowing down myopia progression…
- Trial name
- NCT00348218
- Testing
- NeuroVision
- Where
- Singapore
- Volunteers
- 30 people
- Sponsor
- Singapore National Eye Centre
Cataract
Long Term Outcomes of Vivity Intra Ocular Lens(IOL) Versus Control
Evaluate the long-term (>1 yr) outcomes of the Vivity IOL. The investigator will use similar measurements and procedures to the ones performed on these subjects during the FDA clinical trial.
- Trial name
- REVIVE (NCT04561570)
- Testing
- Vivity ACRYSOF IQ IOL Group, ACRYSOF IQ IOL Control Group
- Where
- United States
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- John Berdahl, MD
Myopia, Hyperopia
Evaluation of Effectiveness of Correcting Refractive Error With Ready-made Spectacles
This research project will compare two methods of correcting refractive error (long or short-sightedness) with spectacle lenses.
- Conditions
- Myopia, Hyperopia, Astigmatism
- Trial name
- RECS (NCT00657670)
- Testing
- Ready-made spectacles, Spectacles
- Where
- 2 sites in China, India
- Volunteers
- 800 people, healthy volunteers welcome
- Sponsor
- Johns Hopkins University
Myopia, Prevention and Control
Effectiveness of Digital Defocus Vision Training With Low-Concentration Atropine on the Prevention and Control of Myopia in Children: A Clinical Study
Based on existing theories of myopia development and progression, our preliminary work has leveraged the features of virtual reality (VR) technology to digitally simulate myopic defocus signals through image-based emulation.
- Trial name
- NCT07724210
- Testing
- For the experimental group,Virtual reality-based digital defocus training combined with 0.02% atropine eye drops, For the control group, one drop of 0.02% atropine eye drops was instilled into each eye at bedtime daily, combined with full-time wear of fully corrected multi-zone positive optical defocus (DIMS) spe
- Where
- China
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Beijing Tongren Hospital
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