Clinical trials: Visual Function
Attention-deficit/Hyperactivity Disorder
Effects of Polyunsaturated Fatty Acids on the Visual Memory of Children With Attention Deficit Hyperactivity Disorder
The investigators anticipate to identify specific polyunsaturated fatty acids that show significant differences between ADHD and control groups.
- Trial name
- NCT03299647
- Where
- Taiwan
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- National Taiwan University Hospital
Colorectal Neoplasms, Colonic Polyp
BowelScope: Accuracy of Detection Using ENdocuff Optimisation of Mucosal Abnormalities
This study aims to assess the effect, if any, on the adenoma detection rate of BowelScope bowel cancer screening flexible sigmoidoscopies by using the Endocuff Vision device.
- Conditions
- Colorectal Neoplasms, Colonic Polyp, Adenoma, Neoplasia GI
- Trial name
- B-ADENOMA (NCT03072472)
- Testing
- Endocuff Vision
- Where
- 16 sites in United Kingdom
- Volunteers
- 3,221 people, healthy volunteers welcome
- Sponsor
- South Tyneside and Sunderland NHS Foundation Trust
Glaucoma Eye
Assessment of the Occuity PM1 Pachymeter
To determine whether the Occuity PM1 device is non-inferior in measuring central corneal thickness when compared to ultrasound pachymetry, the Lenstar and the Pentacam.
- Trial name
- NCT05895617
- Where
- United Kingdom
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Occuity Limited
Myopia
Study Intended to Evaluate the Safety and Effectiveness of a Johnson & Johnson Vision Care Inc, (JJVCI) Contact Lens for Use on an Extended-wear Basis for up to 7 Days (6 Nights).
Study in the US intended to evaluate the safety and effectiveness of a Johnson \& Johnson Vision Care Inc, (JJVCI) contact lens for use on an extended-wear basis for up to 7 days (6 nights).
- Trial name
- NCT00241280
- Testing
- etafilcon A, galyfilcon A
- Where
- 25 sites in United States
- Volunteers
- 504 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Visual Impairment
Artificial Intelligence (AI) - Assisted Visual Impairment Screening Model: Community-based Implementation and Evaluation of Performance, Feasibility and Costs.
The goal of this observational study is to evaluate the performance, operational efficiency, acceptability, feasibility, and cost-effectiveness of an AI-assisted screening model for visual impairment in a community setting.
- Trial name
- NCT06877988
- Testing
- AI
- Where
- Singapore
- Volunteers
- 400 people, healthy volunteers welcome
- Sponsor
- Singapore Eye Research Institute
Schizophrenia, Parkinson Disease
Sound and Vision: A Collaboration Between Service-users, Artists and the Public to Explore the Lived Experience of Hallucinations
Sound and Vision: A collaboration between service-users, artists and the public to explore the lived experience of hallucinations
- Conditions
- Schizophrenia, Parkinson Disease, Hallucinations
- Trial name
- NCT04399096
- Where
- 2 sites in United Kingdom
- Volunteers
- 500 people, healthy volunteers welcome
- Sponsor
- University of Cambridge
Amblyopia
Virtual Reality Game Playing in Amblyopia Therapy
Background: "Amblyopia is a neurodevelopmental disorder in both monocular and binocular functions and it extends even beyond the primary visual integration centers", therefore, amblyopia is not a "lazy eye" but it is a "lazy…
- Trial name
- NCT04261868
- Testing
- Virtual Reality, Patching
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Hamideh Sabbaghi
Cardiac Arrest
Intentional Blindness During Perioperative Cardiac Arrest
Cardiac arrest in the operating room is a rare but potentially catastrophic event with mortality rates greater than 50%. Recent CPR guidelines published by the American Heart Association (AHA) and the Heart and Stroke Foundation…
- Trial name
- NCT04122391
- Testing
- sound level volume
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- KidSIM Simulation Program
Ophthalmic Solutions, Glaucoma
Evaluation of a New Method for Instilling Eye Drops
The purpose of this project is to demonstrate that there is a new easier method to instill eye drops in ones own eye that is as effective as applying a drop directly to their open eye.
- Trial name
- NCT02697318
- Testing
- Timolol maleate 0.5% ophthalmic solution
- Where
- Canada
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University of Waterloo
Myopia
Wearability of and Myopia Progression With ZEISS MyoCare Spectacle Lenses
This is a clinical trial evaluating the wearability and effectiveness of three types of ZEISS spectacle lenses in controlling myopia progression.
- Trial name
- NCT07021560
- Testing
- ZEISS MyoCare spectacle lenses, ZEISS SV RX SPH 1.5, ZEISS Clearview
- Where
- Vietnam
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- ZEISS Vision Care
Glaucoma, Glaucoma, Open-Angle
Treatment Outcomes of MicroPulse Trans-scleral Cyclophotocoagulation in Uncontrolled Glaucoma
The goal of this study is to evaluate the efficacy and safety of the novel form of trans-scleral cyclophotocoagulation using micropulse diode laser and trans-pars plana treatment (Micropulse TSCPC, mTSCPC MP3, IRIDEX CYCLO G6™…
- Conditions
- Glaucoma, Glaucoma, Open-Angle, Glaucoma, Neovascular, Glaucoma and Ocular Hypertension
- Trial name
- NCT03187418
- Testing
- MicroPulse® P3 Glaucoma Device (MP3)
- Where
- Canada
- Volunteers
- 52 people, healthy volunteers welcome
- Sponsor
- Centre hospitalier de l'Université de Montréal (CHUM)
Age Related Macular Degeneration
Use of Self-management Group to Improve Quality of Life in Patients With Low Vision
120 Patients with visual acuity <6/12 will be randomized to receive either usual care or participate in a 6-week, 2 hour 'Living with Vision Loss' program led by trained leaders.
- Trial name
- NCT03046485
- Testing
- Self management program 'Living with Vision Loss'
- Where
- United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- Massachusetts Eye and Ear Infirmary
Dry Eye, Dry Eyes Chronic
Study to Evaluate the Safety and Tolerability of PRO-190 Ophthalmic Solution Compared to Systane Ultra® on the Ocular Surface.
This is a phase I clinical study to evaluate the safety and tolerability of PRO-190 ophthalmic solution through the incidence of unexpected adverse events, changes in Best Corrected Visual Acuity (BCVA), changes in ocular surface…
- Conditions
- Dry Eye, Dry Eyes Chronic, Dry Eye Syndromes
- Trial name
- NCT06379685
- Testing
- PRO-190, Systane Ultra®
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- Laboratorios Sophia S.A de C.V.
Ocular Hypertension, Primary Glaucoma
Effects of Latanoprost, Bimatoprost and Travoprost in Patients With Latanoprost-resistant Glaucoma
Intraocular pressure (IOP) is considered to be the main risk factor for progression of glaucoma and therefore the main target of therapy.
- Trial name
- NCT01361841
- Testing
- Latanoprost, bimatoprost, travoprost, travoprost, latanoprost and bimatoprost
- Where
- Canada
- Volunteers
- 141 people, healthy volunteers welcome
- Sponsor
- Centre de recherche du Centre hospitalier universitaire de Sherbrooke
Comparison of Three Vision Therapy Approaches for Convergence Insufficiency
Comparison of Three Vision Therapy Approaches for Convergence Insufficiency
We compared the effectiveness of three active vision therapy approaches for convergence insufficiency (CI). Patients with eligible criteria and symptomatic CI were included in a prospective study and randomly allocated into three…
- Trial name
- NCT03431454
- Testing
- trained to do the pencil push-ups procedure, using a major amblyoscope twice weekly with additional home orthoptic therapy, using three diopter over-minus lenses and a base out prism
- Where
- Iran
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- Shahid Beheshti University of Medical Sciences
Glaucoma
Normative Database of the Retinal Nerve Fiber Layer Thickness Measured by the Cirrus HD OCT in Asians
The normal range of retinal nerve fiber layer thickness might be different between Asians and Caucasians. However, the recently developed imaging device such as the Cirrus HD OCT includes only the Caucasian data.
- Trial name
- NCT00744705
- Where
- South Korea
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Yonsei University
Glaucoma
Screening Protocol
The objective of this study is to collect data for the development and validation a screening process using aggregate data. In this study, data collection will encompass both retrospective and prospective approaches across…
- Trial name
- NCT06135727
- Testing
- Maestro2 OCT
- Where
- United States
- Volunteers
- 26 people, healthy volunteers welcome
- Sponsor
- Topcon Corporation
Psychophysiology, Visually Impaired Persons
Study of Effectiveness of Audio Guided Deep Breathing on Improving the Quality of Life of Physically Disabled Group
Diaphragmatic breathing brings different advantages to improve physical and mental health but it could be difficult for the physically disabled group to follow the practice by themselves especially those with vision impairment.
- Conditions
- Psychophysiology, Visually Impaired Persons, Physiological Phenomena, Psychological Stress
- Trial name
- NCT05396027
- Testing
- Audio-guided deep breathing
- Where
- Malaysia
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Universiti Tunku Abdul Rahman
Dry Eye Syndrome
Evaluation of Tear Osmolarity Over Time With Sustained Use of Thera Tears Lubricating Drops
The objective of the study is to demonstrate a change in osmolarity over time when moderate to severe dry eye subjects are treated with TheraTears lubricating drops.
- Trial name
- AKORN (NCT02758327)
- Testing
- TheraTears Lubricating Eye Drops
- Volunteers
- 14 people, healthy volunteers welcome
- Sponsor
- Koffler Vision Group
Keratitis
Reliability of Pachymetry Measurement With FD-oCT, ORA, Confoscan 4 and Ultrasound
The purpose of this study is to assess the repeatability, reproducibility, and agreement of central corneal thickness measured by Fourier Domain Optical Coherence tomography (FD-OCT, OptoVue, USA) with anterior corneal module…
- Trial name
- NCT00838422
- Where
- Taiwan
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Far Eastern Memorial Hospital