Clinical trials: Visual Acuity
Congenital Cataract
Relationship of Retinal and Visual Cortex Structure and Visual Acuity After Congenital Cataract Surgery
To evaluate the influence of the visual acuity after congenital surgery on the retinal and visual cortex structure.
- Trial name
- NCT04976608
- Where
- China
- Volunteers
- 30 people
- Sponsor
- Wenzhou Medical University
Development and Health
Fish Oil Supplementation in Lactation
The main purpose of the study was to examine whether fish oil supplementation of lactating mothers affect infant development during first year of life, focusing on visual and mental development.
- Trial name
- NCT00266305
- Testing
- Fish oil (Dry n-3, BASF)
- Where
- Denmark
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- University of Copenhagen
Behcet's Syndrome
Rituximab for the Treatment of Severe Ocular Manifestations of Behcet's Disease
The purpose of this study is to find if Rituximab can improve severe ocular lesions of Behcet's Disease.
- Trial name
- NCT00664599
- Testing
- Rituximab, Cytotoxic Combination
- Where
- Iran
- Volunteers
- 20 people
- Sponsor
- Tehran University of Medical Sciences
Ophthalmology, Macular Edema
Evaluation of Changes in Visual Acuity in Patients With Diabetic Macular Edema (DME) Starting Treatment With an Approved Anti-VEGF Therapy
POLARIS : A non-interventional study in patients with diabetic macular edema (DME) with central involvement to assess the effectiveness of existing anti-vascular endothelial growth factor (anti-VEGF) treatment regimens.
- Conditions
- Ophthalmology, Macular Edema, Macular Degeneration
- Trial name
- POLARIS (NCT01771081)
- Testing
- Ranibizumab (or other DME treatment)
- Where
- 8 sites in France, Germany and 6 more
- Volunteers
- 911 people
- Sponsor
- Bayer
Amblyopia, Amblyopia Strabismic
Effectiveness of tDCS in Paediatric Amblyopia.
The goal of this randomized, double-blind clinical trial is to determine whether transcranial direct current stimulation (tDCS) can effectively and safely improve vision in children aged 4-14 years with strabismic or…
- Conditions
- Amblyopia, Amblyopia Strabismic, Visual Acuity, Stereoscopic Vision
- Trial name
- tDCS (NCT07547670)
- Testing
- tDCS
- Where
- Spain
- Volunteers
- 100 people
- Sponsor
- Universidad de Murcia
Cataract
Tilt Prediction of Clareon Intraocular Lens
Misalignment of intraocular lenses can cause severe loss of visual quality. Different types of misalignments are known. Tilt, one type of intraocular lens misalignment is thought to play a negative role for the optical…
- Trial name
- NCT06595693
- Where
- Austria
- Volunteers
- 52 people
- Sponsor
- Johannes Kepler University of Linz
Allergic Conjunctivitis
The Role of Vitamin D in Corneal Epithelial Barrier Function, Ocular Microbiome, Ocular Inflammation, and Visual Acuity of Children With Allergic Conjunctivitis
A double-blind study to evaluate the role of vitamin D in corneal epithelial barrier function, ocular microbiome, ocular inflammation, and visual acuity of children with allergic conjunctivitis.
- Trial name
- NCT05839938
- Testing
- Vitamin D
- Where
- Taiwan
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- China Medical University Hospital
Visual Acuity, Refractive Errors
Pre-symptomatic Screening of Visual Acuity in Pre-school Students
The present research process is a prospective, non-interventional clinical study that will be conducted -under the auspices of the Democritus University of Thrace (DUTH)- in the pre-school students of the city of Alexandroupolis…
- Conditions
- Visual Acuity, Refractive Errors, Low Vision, Vision Disorders
- Trial name
- NCT05835193
- Testing
- Diagnostic Test: Distance Visual Acuity Examination
- Where
- Greece
- Volunteers
- 1,098 people, healthy volunteers welcome
- Sponsor
- Democritus University of Thrace
Astigmatism Bilateral, Eyeglasses
Spectacle Prescribing in Early Childhood
The purpose of this study is to compare developmental outcome for young children (12 to 35 months of age) with astigmatism meeting American Academy of Ophthalmology spectacle prescribing guidelines and who are prescribed and…
- Trial name
- SPEC (NCT04728451)
- Testing
- Spectacle wear support, Spectacles
- Where
- United States
- Volunteers
- 88 people, healthy volunteers welcome
- Sponsor
- University of Arizona
Age Related Macular Degeneration (AMD)
A 16 Week Evaluation of the Novartis Health Management Tool (HMT) in Age Related Macular Degeneration (AMD)
This is a prospective pilot study to evaluate the usability and applicability of a self monitoring test of visual function with the handheld Health Management Tool (HMT) to remotely monitor neovascular Age Related Macular…
- Trial name
- NCT01542866
- Testing
- Health Management Tool (HMT)
- Where
- 23 sites in United States
- Volunteers
- 160 people
- Sponsor
- Novartis Pharmaceuticals
Oral Proprioceptive Sensitivity and Upper Limb Kinesthetic Acuity
Oral Proprioceptive Sensitivity and Upper Limb Kinesthetic Acuity: A Pilot Study
The goal of this observational study is to investigate whether differences in oral proprioceptive sensitivity are associated with differences in kinesthetic acuity of the upper limbs in children.
- Trial name
- NCT07854314
- Testing
- Upper-Limb Kinesthetic Acuity Assessment, Effect of Auditory Stimulation on Visual Perception, Oral Proprioceptive Sensitivity Assessment
- Where
- Spain
- Volunteers
- 33 people, healthy volunteers welcome
- Sponsor
- Sophie Román Richon
Monochromatic, L- and S-cone Modulation Only
Evaluating How Well Different Types of Light-sensitive Cells in the Eye Contribute to Its Focusing Ability
In this experiment, subjects will view shapes on a screen with varying colors and be asked to focus their eyes on the shapes. The shapes will look as though they are jumping to random distances away from the eye.
- Conditions
- Monochromatic, L- and S-cone Modulation Only, L- and M-cone Modulation Only, M and S-cone Modulation Only
- Trial name
- NCT07691463
- Testing
- Color
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Rochester Institute of Technology
Age Related Cataracts
Visual Performance of Clareon PanOptix vs. a Comparable Multifocal Intraocular Lens
This is a two-part, multi-center, investigator-initiated clinical study comparing visual outcomes and patient satisfaction in subjects receiving bilateral implantation of either the Clareon PanOptix intraocular lens (IOL) or a…
- Trial name
- NCT07006428
- Testing
- Clareon PanOptix or PanOptix Toric IOLs, Comparable multifocal IOL
- Where
- 3 sites in United States
- Volunteers
- 290 people
- Sponsor
- Argus Research Center, Inc.
Ophthalmopathy, Artificial Intelligence
Validation of the Utility of an Intelligent Visual Acuity Diagnostic System for Children
Visual development during early childhood is a vital process. Examining the visual acuity of children is essential for the early detection of visual abnormality, but performing such an assessment in children is challenging.
- Trial name
- NCT03766737
- Testing
- An intelligent visual acuity diagnostic system for children
- Where
- China
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Sun Yat-sen University
Macular Holes
Evaluation of Anatomic and Visual Outcomes of Initially Closed Macular Holes
To evaluate the anatomic and visual outcomes in patients with initially closed macular holes after vitreoretinal surgery and with one to seven years of follow-up.
- Trial name
- NCT01229657
- Where
- China
- Volunteers
- 79 people
- Sponsor
- Sun Yat-sen University
Amblyopia, Binocular Vision Disorder
A Patch Free Treatment for Young Children With Amblyopia
The purpose of this study is to test whether a binocular treatment can improve vision and motor function in young children with amblyopia.
- Trial name
- NCT04086524
- Testing
- Binocular cartoon treatment at home, Patching, Binocular cartoon treatment in office
- Where
- 2 sites in United States, Australia
- Volunteers
- 34 people
- Sponsor
- University of Waterloo
Wet Macular Degeneration
The Impact of Baseline Visual Acuity on the Treatment Outcomes in Patients Treated With AflIbercept in Real-life Clinical Setting
The study will assess the mean change in Visual Acuity (VA) (overall and stratified by baseline VA) at year 1 and 2 of treatment with Aflibercept in real-life setting.
- Trial name
- INSIGHT (NCT03278262)
- Testing
- Aflibercept (Eylea, BAY86-5321)
- Where
- Sweden
- Volunteers
- 2,312 people
- Sponsor
- Bayer
Retinopathy of Prematurity (ROP), Premature Birth
Long-term Ophthalmic Outcomes in Ex-premature Infants
There is limited knowledge on ophthalmological outcomes in the adult population that was born prematurely. This study aims to evaluate the ophthalmic outcomes of ex-premature infants that have reached adolescence or adulthood.
- Trial name
- LTOO-XP (NCT06649513)
- Testing
- eye drops (Tropicamid)
- Where
- Netherlands
- Volunteers
- 210 people
- Sponsor
- Erasmus Medical Center
Retinopathy of Prematurity
Retinal Microanatomy in Retinopathy of Prematurity (BabySTEPS2)
Retinopathy of prematurity (ROP) is a disorder of development of the neural retina and its vasculature that can impact vision in vulnerable preterm neonates for a lifetime.
- Trial name
- BabySTEPS2 (NCT04995341)
- Testing
- Investigational ultracompact OCT and OCTA system, retinal photographs
- Where
- 2 sites in United States
- Volunteers
- 236 people, healthy volunteers welcome
- Sponsor
- Duke University
Visual Acuity
Evaluation of VisionQuest 20/20, a Visual Acuity Testing Software
This study involves the use of VisionQuest 20/20 which is a new software program to test visual acuity in children. The purpose of this study is to compare the results of VisionQuest 20/20 to two other ways to measure visual…
- Trial name
- NCT00366756
- Where
- United States
- Volunteers
- 97 people, healthy volunteers welcome
- Sponsor
- Medical University of South Carolina