Clinical trials: Visual Disorder
Proliferative Diabetic Retinopathy, Vitrectomy
Macular Appearance After Diabetic Vitrectomy
Vitrectomy is one of the major treatment methods for complications of diabetic retinopathy. As surgical techniques and instruments improve, high anatomical success may be achieved; however, functional results are less favorable.
- Trial name
- NCT00737022
- Where
- Taiwan
- Volunteers
- 108 people
- Sponsor
- National Taiwan University Hospital
Dry Eye
Bilateral, Masked Comparison of PEG-400 Based Artificial Tear and Systane for the Treatment of Dry Eye Signs, Symptoms and Visual Quality
To evaluate and compare the effects of PEG-400 based artificial tear and Systane tears in mild-moderate dry eye patients. TBUT, Visual impact and subjective evaluations will be assessed in this month long trial.
- Trial name
- NCT00622037
- Testing
- PEG-400 based artificial tear, Systane
- Where
- United States
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- Bp Consulting, Inc
Narrow Angle Patients at Risk for Angle Closure Glaucoma
Dysphotopsia Following Laser Peripheral Iridotomy
To establish the correlation of the location of the Nd:YAG laser peripheral iridotomy to the post operative visual symptoms experienced by some patients.
- Trial name
- NCT01758237
- Testing
- Neodymium-doped: Yttrium Aluminum Garnet (Nd:YAG) laser, Nd:YAG Laser Peripheral Iridotomy
- Where
- Canada
- Volunteers
- 214 people
- Sponsor
- Credit Valley EyeCare
Amblyopia, Strabismus
VISION-3D: Visual Skills Improvement With On-screen 3D Movies.
This clinical study investigates whether watching 3D films can help improve the vision of children with residual amblyopia (lazy eye), that is, those children who, despite having undergone usual treatments such as glasses or…
- Trial name
- VISION3D (NCT07301645)
- Testing
- Stereoscopic (3D) Movie Viewing, 2D Movie Viewing
- Volunteers
- 40 people
- Sponsor
- Universitat Politècnica de Catalunya
Neovascular Age-Related Macular Degeneration
Study of Efficacy and Safety of Brolucizumab vs. Aflibercept in Chinese Patients With Neovascular Age-Related Macular Degeneration
To compare brolucizumab to aflibercept in Chinese patients with untreated active choroidal neovascularization (CNV) secondary to age-related macular degeneration (AMD)
- Trial name
- NCT04047472
- Testing
- Brolucizumab 6mg, Aflibercept 2 mg
- Where
- 30 sites in China
- Volunteers
- 397 people
- Sponsor
- Novartis Pharmaceuticals
Cerebral Palsy (CP)
TENS With Proprioceptive-Visual Training on Gait Parameters in CP
This study aimed to evaluate the effect of TENS with proprioceptive - visual training on gait parameters in children with spastic diplegic cerebral palsy.
- Trial name
- NCT07338994
- Testing
- TENS, 1. Tekscan Walkway system
- Where
- Egypt
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Cairo University
Down Syndrome
Assessing the Feasibility of the Use of Visual Aids in Patient Education in Adults With Down Syndrome (DS)
Purpose: To assess the feasibility of using videos depicting people with DS to teach other adults with DS to perform healthy behaviors.
- Trial name
- NCT02895802
- Testing
- Verbal instructions with picture diagram, Verbal instructions with video of ADSC, verbal instructions w. video of w/o DS
- Where
- United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Wake Forest University Health Sciences
Primary Open-angle Glaucoma
Effects of Primary Open-angle Glaucoma on Visual-motor Coordination
Commonly used visual function assessments in glaucoma diagnosis and treatment-such as visual acuity, visual field, and contrast sensitivity-do not directly capture the impact of the disease on patients' daily abilities.
- Trial name
- NCT06692205
- Where
- China
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Zhongshan Ophthalmic Center, Sun Yat-sen University
Cataract, Presbyopia
Visual Results of the Acrysof IQ Vivity Toric Extended Vision Intraocular Lens
The main goal of this study is to evaluate real-world visual outcomes, rotational stability, and patient reported visual disturbances with a non-diffractive extended vision presbyopia and astigmatism correcting intraocular lens…
- Conditions
- Cataract, Presbyopia, Corneal Astigmatism
- Trial name
- NCT04652037
- Testing
- Acrysof IQ Vivity Toric Extended Vision Intraocular Lens Implantation
- Where
- Canada
- Volunteers
- 20 people
- Sponsor
- Centre hospitalier de l'Université de Montréal (CHUM)
Colonic Diseases
PillCam™ Colon Capsule Endoscopy (PCCE) in the Visualization of the Colon
To see if PillCam COLON will demonstrate diagnostic yield >80% in detecting significant colonic pathologies when compared to colonoscopy in the target population.
- Trial name
- MA-53 (NCT00604162)
- Testing
- PillCam COLON, Standard colonoscopy
- Where
- 7 sites in France, Germany and 3 more
- Volunteers
- 332 people
- Sponsor
- Medtronic - MITG
Pulpitis, Pain Management
The Effects of Three Oral Medications on Post-operative Pain Following Endodontic Treatment
Aim: eliminating or reducing pain following endodontic treatment is of great importance. The aim of this study is to compare the effects of Tramadol, Novafen and Naproxen on post-operative pain following instrumentation of root…
- Trial name
- NCT01178203
- Testing
- Tramadol, Novafen, Naproxen
- Sponsor
- Azad University of Medical Sciences
Myofascial Trigger Point Pain (MTrP)
Percutaneous Microelectrolysis on Myofascial Trigger Points Pain.
The aim of the design is to investigate the value of percutaneous microelectrolysis (MEP) as an analgesic technique in myofascial trigger points.
- Trial name
- MEP (NCT03636386)
- Testing
- Percutaneous microelectrolysis, Ultrasound therapy
- Where
- Chile
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- Quiropraxia y Equilibrio
Myopia, Astigmatism
Evaluation of Outcomes Following LASIK Surgery Using CustomVue
The aim of the study was to evaluate visual outcomes, contrast sensitivity, glare and induced high order aberrations induced by the new CustomVue software use for wavefront-guided LASIK.
- Conditions
- Myopia, Astigmatism, Myopic Astigmatism
- Trial name
- NCT00366769
- Testing
- Wavefront-guided LASIK using CustomVue platform
- Volunteers
- 30 people
- Sponsor
- Medical University of South Carolina
Macular Edema, Macular Degeneration
Efficacy and Safety of Lucentis® Use in Patients With Diabetic Macular Edema Evaluating a Spaced Out Follow-up After Intensive Treatment Phase
The study was designed to assess the efficacy and safety of Lucentis® (ranibizumab 0.5 mg) in diabetic patients presenting with reduced visual acuity due to diabetic macular edema and evaluating spacing out of follow-up after…
- Conditions
- Macular Edema, Macular Degeneration, Diabetes
- Trial name
- CONSTELLATION (NCT02032173)
- Testing
- Ranibizumab 0.5mg
- Where
- 10 sites in France
- Volunteers
- 31 people
- Sponsor
- Novartis Pharmaceuticals
Cataract, Astigmatism
Evaluation of Toric Intraocular Lens(IOL) Combined With Capsular Tension Ring(CTR) in Patients With Cataract Combined With High Myopia
The objective of this study is to evaluate the postoperative visual quality and IOL stability in patients with cataracts and high myopia who have undergone surgery using astigmatism-correcting IOLs in conjunction with tension…
- Conditions
- Cataract, Astigmatism, Intraocular Lens Rotation
- Trial name
- NCT06571773
- Testing
- intraoperative implantation of Capsular Tension Ring, none intraoperative implantation of CTR
- Where
- China
- Volunteers
- 72 people
- Sponsor
- Shanghai 10th People's Hospital
Diabetes Mellitus, Type 2, Cognitive Dysfunction
Detection of Visual-Auditory Reaction Rates in Individuals With Type 2 Diabetes
Background: The primary purpose of our study was to understand the damage in the peripheral nerves of patients with diabetes and to determine the change in patients' reaction rates and perceptions by the age groups, duration of…
- Conditions
- Diabetes Mellitus, Type 2, Cognitive Dysfunction, Nerve Damage
- Trial name
- NCT05725889
- Testing
- recation time test
- Where
- Turkey (Türkiye)
- Volunteers
- 128 people, healthy volunteers welcome
- Sponsor
- Baskent University
Treatment Resistant Depression, Visual Perceptual Weakness
Positron Emission Tomography in Transcranial Magnetic Stimulation Intervention for Treatment-resistant Depression
Major depressive disorder (MDD) exhibit reduced visual motor perception, which affects prognosis. Metabolic substance changes and abnormal neural activity in the middle temporal visual area (MT) mediate this perceptual…
- Trial name
- NCT06044324
- Testing
- Repetitive Transcranial Magnetic Stimulation
- Where
- China
- Volunteers
- 42 people, healthy volunteers welcome
- Sponsor
- First Affiliated Hospital of Zhejiang University
Pediatric Cataract, Congenital Cataract
Toric Intraocular Lens Implantation for Pediatric Aphakia
Here, we conducted a nonrandomized clinical trial aims to evaluate and compare the prognosis of visual function in children of these two types of IOL implantation over a three-year postoperative period.
- Trial name
- NCT07088796
- Testing
- Toric IOL implantation, Non-toric IOL implantation
- Where
- China
- Volunteers
- 236 people
- Sponsor
- Eye & ENT Hospital of Fudan University
Acute Pharyngitis
Yanlishuang Buccal Dropping Pills for Acute Pharyngitis
Acute pharyngitis commonly causes sore throat and pain on swallowing. This multicenter trial will compare Yanlishuang Buccal Dropping Pills with a matching placebo in 400 adults aged 18 to 65 years whose acute pharyngitis began…
- Trial name
- YLS-AP-RCT (NCT07761013)
- Testing
- Yanlishuang Buccal Dropping Pills
- Where
- 10 sites in China
- Volunteers
- 400 people
- Sponsor
- Beijing University of Chinese Medicine
Depressive Disorder
M3VAS Validation in Polish Population
Low mood and anhedonia represent the fundamental symptoms of major depressive disorder (MDD). Nevertheless, there is currently no standardized visual analogue scale available to assess the extent of both symptoms concurrently.
- Trial name
- NCT06412562
- Testing
- The Maudsley 3-item Visual Analogue Scale (M3VAS)
- Where
- Poland
- Volunteers
- 150 people
- Sponsor
- Medical University of Gdansk