Clinical trials: Visual Quality
Hemianopsia, Homonymous, Brain Injury
Biofeedback for Hemianopia Vision Rehabilitation
Patients with brain injury secondary to stroke, surgery, or trauma frequently suffer from homonymous hemianopia, defined as vision loss in one hemifield secondary to retro- chiasmal lesion.
- Conditions
- Hemianopsia, Homonymous, Brain Injury, Stroke, Brain Tumor
- Trial name
- NCT05397873
- Testing
- Biofeedback training
- Where
- Canada
- Volunteers
- 32 people
- Sponsor
- University Health Network, Toronto
Cataract, Presbyopia Correction
Night Driving After Trifocal Versus Monofocal IOL Implantation
This prospective observational cohort study will compare night-driving visual difficulty and visual disturbances after bilateral implantation of an Alcon trifocal intraocular lens or an Alcon monofocal intraocular lens in adults…
- Trial name
- TriIOL (NCT07755189)
- Testing
- AcrySof IQ PanOptix TFNT00 Trifocal Intraocular Lens, Alcon Monofocal Intraocular Lens
- Where
- China
- Volunteers
- 200 people
- Sponsor
- Jin Yang
Cataract
Comparing the Visual Outcome, Visual Quality, and Satisfaction Among Three Types of Multi-focal Intraocular Lenses
The investigators are going to Investigate the comparative efficacy of the patients who underwent cataract surgery with three different multifocal IOLs.
- Trial name
- NCT04019691
- Testing
- Mix-and-Match, EDOF, Trifocal
- Where
- South Korea
- Volunteers
- 60 people
- Sponsor
- Samsung Medical Center
Cataract, Keratoconic Subjects
Visual Outcomes and Quality of Life After Vivity EDOF IOL Implantation in Early-Stage Keratoconus
The goal of this clinical trial is to learn if the Vivity Extended Depth of Focus intraocular lens works to improve vision in adults with cataracts and early-stage keratoconus.
- Trial name
- VIVITY-KCONUS (NCT07338708)
- Testing
- Extended Depth of Focus Intraocular Lens Implantation
- Where
- Italy
- Volunteers
- 10 people
- Sponsor
- Azienda Ospedaliera Universitaria Integrata Verona
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
Cataract, Lenses
A Comparison of the Visual Performance of Trifocal Versus Extended Depth of Focus Intraocular Lenses
We are conducting a trial evaluating the performance of trifocal versus extended depth of focus intraocular lenses. These lenses will be implanted in otherwise healthy individuals with visual problems due to bilateral cataracts.
- Conditions
- Cataract, Lenses, Visual Impairment
- Trial name
- NCT03726606
- Testing
- Intraocular lens
- Volunteers
- 36 people
- Sponsor
- Hashmanis Hospital
Myopia, Astigmatism
Contoura With Phorcides Compared to Wavefront Optimized LASIK
Comparing post-operative visual acuity and patient reported satisfaction between Contoura with Phorcides and WaveLight Wavefront Optimized.
- Trial name
- NCT05486546
- Testing
- Contoura with Phorcides, WaveLight Wavefront Optimized
- Where
- 4 sites in United States
- Volunteers
- 120 people
- Sponsor
- Daniel Terveen
Laparoscopic Cholecystectomy Surgery
Effects of the 4-7-8 Breathing Technique on Postoperative Pain Scores, Anxiety, and Sleep Quality in Patients
This study aims to evaluate the effects of teaching the 4-7-8 breathing technique, one of the deep breathing techniques, to patients undergoing laparoscopic cholecystectomy surgery and applying it during the preoperative and…
- Trial name
- NCT07303634
- Testing
- 4-7-8 Breathing Technique
- Where
- Turkey (Türkiye)
- Volunteers
- 100 people
- Sponsor
- Konya Beyhekim Training and Research Hospital
Choroidal Neovascularization, Visual Field, Visual Acuity
OCT and Microperimetry in Patients With Active Neovascular ARMD (CORFI)
ARMD is the main cause of visual disability after 50 years old in France. Patients with active neovascular ARMD are treated with intravitreal injections of antiVEGF.
- Trial name
- CORFI (NCT03435926)
- Where
- France
- Sponsor
- University Hospital, Limoges
Visual Outcomes, Quality of Life
Outcome Following Phacoemulsification Versus Small Incision Cataract Surgery (SICS)
Hypothesis : Phacoemulsification is superior to SICS with regards to: Immediate unaided high and low contrast visual performance Its impact on quality of life.
- Trial name
- NCT00821223
- Testing
- phacoemulsification and SICS, manual small incision surgery, phacoemulsification
- Where
- India
- Volunteers
- 420 people
- Sponsor
- Iladevi Cataract and IOL Research Center
Myopia
the Correlation Between Visual Quality After SMILE and LASEK in Patients With Moderate to Low Myopia
1. Study the changes in subjective visual quality, contrast sensitivity, and total ocular aberrations of patients with low-to-moderate myopia after SMILE and LASEK surgeries at different age groups; 2.
- Trial name
- SMILE LASEK (NCT07260786)
- Where
- China
- Volunteers
- 100 people
- Sponsor
- yuhao shao
Glaucoma Eye, Open-angle Glaucoma
Quality of Life After Glaucoma Surgery: Evaluating the Patient Perspective Across Surgical Options
Glaucoma surgery currently relies on a wide therapeutic arsenal, ranging from conventional filtering surgeries to minimally invasive glaucoma surgery (MIGS).
- Conditions
- Glaucoma Eye, Open-angle Glaucoma, Closed-Angle Glaucoma, Pseudo Exfoliative Syndrome
- Trial name
- G-SCOPE (NCT07303257)
- Testing
- NEI-VFQ-25 (National Eye Institute Visual Function Questionnaire-25).
- Where
- France
- Volunteers
- 132 people
- Sponsor
- Hospices Civils de Lyon
Glaucoma
Effect of Citicoline/Homotaurine on PERG in Primary Open Angle Glaucoma
the general purpose of the study is to evaluate the potential beneficial effects of supplementation of a fixed combination of Citicoline 500 mg plus Homotaurine 50 mg on retinal ganglion cells (RGCs) function in subjects with…
- Trial name
- NCT04422743
- Testing
- Citicoline 500 mg plus Homotaurine 50 mg
- Where
- 4 sites in Italy
- Volunteers
- 63 people
- Sponsor
- Fondazione IRCCS Policlinico San Matteo di Pavia
Bullous Pseudophakic Keratopathy, Penetrating Keratoplasty
Effectiveness of PKP vs DSAEK in Terms of 2-year Postoperative Visual Acuity in Advanced BPK
This is an open-label multicenter randomised controlled clinical trial with 2 parallel arms with a 1:1 ratio. Patients meeting the eligibility criteria will be offered to participate in the study during an ophthalmology…
- Trial name
- DESPEK (NCT06818747)
- Testing
- Best corrected monocular visual acuity
- Where
- 11 sites in France
- Volunteers
- 334 people
- Sponsor
- Centre Hospitalier Régional Metz-Thionville
Peripheral Arterial Disease
Iloprost Therapy in Patients With Critical Limb Ischemia
Monitoring efficacy and safety aspects of iv. iloprost therapy of patients with critical limb ischemia by recording clinical parameters.
- Trial name
- NCT01458041
- Testing
- Iloprost (Ilomedin, BAYQ6256)
- Where
- Hungary
- Volunteers
- 126 people
- Sponsor
- Bayer
Light Adjustable Lens, Objective Depth of Focus
Objective Depth-of-Focus Changes During Light Adjustable Lens UV Adjustments
This observational pilot study will examine how a person's vision changes during the routine adjustment and finalization of a Light Adjustable Lens (LAL) after surgery.
- Trial name
- NCT07868003
- Where
- Canada
- Volunteers
- 20 people
- Sponsor
- Clarity Eye Institute
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
Cataract
Patient Satisfaction and Visual Function Following Implantation of Trifocals or Extended Range of Vision Intraocular Lenses
Cataract surgery is a fast evolving refractive procedure, which aims to restore vision. The majority of intraocular lens (IOL) implants following cataract surgery are monofocal IOLs, which have been designed to improve distance…
- Trial name
- NCT04900662
- Where
- Canada
- Volunteers
- 480 people
- Sponsor
- Queen's University
Health Literacy
Health Literacy in Geriatric Patients
Health Literacy is one's ability to understand health information well enough to make informed decisions about their health. Limited health literacy makes it hard for people to understand complex health issues and follow health…
- Trial name
- NCT06971393
- Where
- Canada
- Volunteers
- 100 people
- Sponsor
- Hamilton Health Sciences Corporation
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