Clinical trials: Visual Quality
Irregular Astigmatism, Astigmatism
Improving Visual Quality in Patients With Irregular Corneas Using Asymmetrical Toric Intraocular Lenses
Cataract surgery in patients with irregular corneas presents unique challenges, primarily due to the high variability in keratometry and corneal tomography measurements, which complicates accurate intraocular lens (IOL)…
- Conditions
- Irregular Astigmatism, Astigmatism, Cataract and IOL Surgery
- Trial name
- VITAL (NCT07294716)
- Testing
- AMILens Individual
- Where
- Austria
- Volunteers
- 15 people
- Sponsor
- Johannes Kepler University of Linz
Hypotension,Controlled
Correlation Analysis of the Effects of Management Pressure Goals and Control Volume Goals in Patients in Spinal Surgery
The investigators study 160 patients undergoing spinal surgery.Participants will be randomly divided into study group and control group.The study group will receive controlled hypotension by nitroglycerin and be divided into 3…
- Trial name
- NCT03917004
- Testing
- Nitroglycerin
- Where
- China
- Volunteers
- 160 people, healthy volunteers welcome
- Sponsor
- Liang Bing
Intermittent Strabismus, Exotropia Intermittent
Visual Therapy for Intermittent Strabismus
Intermittent strabismus is a condition in which the eyes occasionally become misaligned, affecting binocular vision, depth perception, and quality of life.
- Conditions
- Intermittent Strabismus, Exotropia Intermittent, Esotropia Intermittent
- Trial name
- ViT(I)S (NCT07563959)
- Testing
- Visual Therapy
- Volunteers
- 30 people
- Sponsor
- Universitat Politècnica de Catalunya
Preterm Birth, Visual Impairment
Eye and Growth in Adolescents Born Moderate-to-late Preterm
During recent years, the interest in studying the risks of being born moderate-to-late preterm (MLP), defined as birth between gestational week 32 to 36, has increased.
- Conditions
- Preterm Birth, Visual Impairment, Eye Abnormalities
- Trial name
- NCT04190147
- Testing
- Structural, functional and metabolic eye examinations
- Where
- Sweden
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Vastra Gotaland Region
Sleep Disturbance, Visual Health
Gac Fruit Oil Supplementation for Visual Health and Sleep Quality
This study evaluated the effects of gac fruit oil supplementation on visual health, sleep quality, depressive symptoms, cognitive function, and brain imaging parameters in adults with sleep disturbance.
- Trial name
- NCT07623070
- Testing
- Gac Fruit Oil Capsules
- Where
- Taiwan
- Volunteers
- 50 people
- Sponsor
- Yuanpei University of Medical Technology
Suture Materials, Wound Healing
Patient-Reported Outcomes of Four Intraoral Suture Materials
When patients undergo minor oral surgery, dentists use various types of stitches (sutures) to help the gums heal. These stitches can be made of different materials, and some might feel more comfortable, cause less pain, or…
- Conditions
- Suture Materials, Wound Healing, Patient Comfort, Oral Health-Related Quality of Life
- Trial name
- NCT07569237
- Testing
- Silk Suture (Braided, Non-absorbable), Polyglactin 910 Suture (Braided, Absorbable), Polyamide Suture (Monofilament, Non-absorbable)
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- University of Jordan
Glaucoma
Assessment of Ability Related to Vision
To determine the clinical usefulness of a refined third-generation instrument - The Assessment of Ability Related to Vision (AARV) in establishing the amount of disability, charting the detrimental effects of progressive disease…
- Trial name
- AARV (NCT01027312)
- Volunteers
- 121 people, healthy volunteers welcome
- Sponsor
- Wills Eye
Glaucoma, Visual Impairment
Glaucoma Rehabilitation With Action viDeo Games and Exercise - GRADE
Falls are one of the most serious public health concerns for seniors, with significant medical and economic consequences. This concern is even higher in patients with peripheral field loss due to glaucoma because of the patients'…
- Trial name
- NCT06000865
- Testing
- Action video game training, Conventional physical training
- Where
- Hong Kong
- Volunteers
- 56 people
- Sponsor
- The Hong Kong Polytechnic University
Cataract
Visual Quality of Cataract Patients with High Myopia After Implantation of Different Intraocular Lenses
This prospective study aims to compare the visual outcomes following the implantation of two different types of multifocal intraocular lenses (IOLs) in highly myopic patients.
- Trial name
- NCT06892470
- Testing
- No intervention
- Where
- China
- Volunteers
- 62 people
- Sponsor
- Wenzhou Medical University
Adverse Effect of Drug Therapy Levodopa
Efficacy of Repetitive Trans-spinal Magnetic Stimulation on Axial Motor Symptoms in PD
The purpose of this randomized trial was to evaluate the efficacy of repeated sessions of trans-spinal magnetic stimulation on gait abnormality, and posture abnormalities in patients with idiopathic Parkinson's disease.
- Trial name
- rTSMS (NCT05271513)
- Testing
- non invasive repetitive magnetic stimulation (real Transcranial + real trans-spinal )
- Where
- Egypt
- Volunteers
- 38 people
- Sponsor
- Assiut University
Cataract, Presbyopia Correction
Visual Quality and Performance of Eyes With Asqelio™ EDoF Toric Lenses
This study evaluates the optical quality and clinical performance of the Asqelio™ EDOF Toric intraocular lens (IOL) in patients undergoing cataract surgery or refractive lensectomy.
- Trial name
- NCT06707545
- Where
- Spain
- Volunteers
- 40 people
- Sponsor
- AST Products, Inc.
High Myopia, Cataract
The Role of Capsular Tension Rings in Intraocular Lens Stability in High Myopia Cataract Patients: A Prospective Self-Controlled Study
Study Purpose: This prospective, self-controlled clinical study aims to evaluate the impact of capsular tension rings (CTR) on intraocular lens (IOL) stability in high myopia patients undergoing bilateral cataract surgery.
- Trial name
- NCT07052825
- Testing
- CTR implantation
- Where
- China
- Volunteers
- 120 people
- Sponsor
- Jin Yang
Percutaneous Nephrolithotomy, Intraoperative Use of Tranexamic Acid
Tranexamic Acid in Percutaneous Nephrolithotomy
Tranexamic acid, once a randomly used antifibrinolytic agent, has been in standard protocols for many specific surgeries. Studies are still needed to standardize the dose and route of tranexamic acid administration, examine its…
- Trial name
- NCT05947435
- Testing
- Tranexamic acid
- Where
- Turkey (Türkiye)
- Volunteers
- 75 people
- Sponsor
- Haseki Training and Research Hospital
IOL, Cataract
Patient Preference and Visual Quality With Contralateral Synergy Versus Panoptix
The goal of this study is to compare the visual quality and patient preference of the Synergy IOL versus the PanOptix IOL when one of each lens is placed in the same patient.
- Conditions
- IOL, Cataract, Patient Satisfaction
- Trial name
- NCT05610540
- Testing
- TECNIS Synergy IOL, AcrySof PanOptix Trifocal IOL
- Where
- United States
- Volunteers
- 20 people
- Sponsor
- Bucci Laser Vision Institute
Cataract
Clinical Performance of the Asqelio™ Trifocal Diffractive Intraocular Lens
The goal of this observational study is to evaluate whether the Asqelio™ Trifocal intraocular lens (IOL) can improve refractive outcomes and optical quality in patients (aged ≥45 years) undergoing cataract surgery or clear lens…
- Trial name
- NCT06935565
- Testing
- Trifocal IOL implantation
- Where
- Spain
- Volunteers
- 30 people
- Sponsor
- AST Products, Inc.
Macroscopic Tumor Visualized at MRI, Tumor Size Allowing Partial Prostate Treatment Volume
Stereotactic Focal Radiotherapy as an Alternative Treatment to Active Surveillance for Low and Intermediate Risk Prostate Cancer
*Rationale : Active surveillance of prostate cancer helps to avoid the morbidity associated with curative radical prostatectomy /radiotherapy in patients with early stage disease.
- Conditions
- Macroscopic Tumor Visualized at MRI, Tumor Size Allowing Partial Prostate Treatment Volume, CAPRA SCORE ≤5
- Trial name
- TOPPGUN-RS (NCT07152067)
- Testing
- Stereotactic Body Radiation Therapy (SBRT)
- Where
- 2 sites in Belgium
- Volunteers
- 146 people
- Sponsor
- Centre Hospitalier Universitaire de Liege
Healthy
Working Memory Quality of Attentional Templates
In this line of research, the researchers are examining a basic science question regarding the working memory representations underlying visual search using a positive template (looking for a target) or a negative template…
- Trial name
- NCT05863715
- Testing
- Visual Search Cue Type
- Where
- United States
- Volunteers
- 34 people, healthy volunteers welcome
- Sponsor
- Lehigh University
Retinal Detachment
REtinal Detachment Outcomes Study
Background: Few large randomized controlled trials provide strong evidence to guide surgical repair of primary rhegmatogenous retinal detachment (RRD) repair.
- Trial name
- REDOS (NCT05863312)
- Testing
- Pars plana vitrectomy, Pars plana vitrectomy with scleral buckle, Sulfur hexafluoride gas tamponade
- Where
- Canada
- Volunteers
- 560 people
- Sponsor
- CHU de Quebec-Universite Laval
Dyspnea, Sleep Quality
Visual and Auditory Stimulation in Intensive Care Patients
This study is a randomized controlled experimental clinical trial designed to investigate the effects of visual and auditory stimulation on dyspnea severity, sleep quality, and anxiety levels in patients receiving noninvasive…
- Conditions
- Dyspnea, Sleep Quality, Anxiety, Intensive Care Patients
- Trial name
- NCT07895030
- Testing
- The Northern Lights and White Noise
- Volunteers
- 44 people, healthy volunteers welcome
- Sponsor
- University of Yalova
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