Clinical trials: Visual Outcome
Ankle Injuries and Disorders, Foot Injuries and Disorders
The Aim of Study is Translate and Adapt the Visual Analog Scale Foot and Ankle (VAS-FA) Instrument Into Turkish and Psycho-metrically Test Its Reliability and Validity Among Patients Who Had Foot and Ankle Disorders or Surgery
There have previously been no validated a specific foot and ankle patient-reported outcome measures in Turkish. The Visual Analogue Scale Foot and Ankle (VAS-FA) will translated and adapted into Turkish language.
- Trial name
- NCT03262324
- Testing
- VAS-FA Turkish version
- Where
- 2 sites in Turkey (Türkiye)
- Volunteers
- 69 people
- Sponsor
- Hasan Kalyoncu University
Cataract Extraction, Phacoemulsification
A Study Comparing Two Monofocal, Aspheric, Hydrophobic Acrylic Intraocular Lenses: the Alcon CLAREON® and the Abbott Medical Optics PCB00
This is a bilateral randomised controlled study to compare visual performance, refractive outcome, forward light scatter, patient satisfaction and objective measurement of glistenings following insertion of two monofocal…
- Conditions
- Cataract Extraction, Phacoemulsification, Glistenings, Intraocular Lens Implant
- Trial name
- NCT03364972
- Testing
- Cataract surgery
- Where
- United Kingdom
- Volunteers
- 145 people, healthy volunteers welcome
- Sponsor
- Guy's and St Thomas' NHS Foundation Trust
Visual Outcome
The Purpose of This Clinical Study is to Evaluate Optimized Maximum Plus for Maximum Visual Acuity (MPMVA) Refractive Technique and Its Effect on Visual Performance.
This is a prospective, multicenter, parallel groups, non-interventional, examiner masked, comparative clinical study. Patients that participated in previous Hoya studies, and patients previous implanted with Hoya non-toric…
- Trial name
- NCT07595432
- Testing
- Non-Interventional Study
- Where
- Philippines
- Volunteers
- 140 people
- Sponsor
- Hoya Surgical Optics, Inc.
Cataract
Visual Acuity Outcome Differences Between the Alcon Vivity Toric IOL and RxSight LAL+
Phase 1 will be ambispective, multi-site, single arm study in age-related cataract patients with regular astigmatism, who were bilaterally treated with the LAL+ IOLs Phase 2 will be a prospective, randomized, unmasked…
- Trial name
- NCT06574646
- Testing
- LAL+, Clareon Vivity Toric IOL
- Where
- United States
- Volunteers
- 250 people
- Sponsor
- The Eye Associates
Bilateral Cataract, Charles Bonnet Syndrome
Patient Reported Visual Satisfaction Following Same Day or Delayed Bilateral Cataract Surgery
Cataract is currently the leading cause of visual impairment worldwide with age being the most common cause of lenticular opacification.
- Trial name
- CatquestCBS (NCT05069753)
- Testing
- Immediate sequential bilateral cataract surgery (ISBCS), Delayed sequential bilateral cataract surgery (DSBCS)
- Where
- Denmark
- Volunteers
- 300 people
- Sponsor
- Copenhagen University Hospital, Rigshospitalet
Cataract Surgery Experience
Evaluation of TMS Visual Outcome
The goal of this clinical trial is to learn if transcranial magnetic stimulation (TMS) can improve the visual outcomes in patients after cataract surgery.
- Trial name
- NCT06600932
- Testing
- TMS, control group
- Where
- China
- Volunteers
- 200 people
- Sponsor
- Shanghai High Myopia Study Group
Knee Arthroscopy, Visualization
Intra-Articular Adrenaline Versus Tourniquet in Knee Arthroscopy: A Cohort Study
Arthroscopy has become one of the most commonly performed orthopedic surgeries in the world due to it being a minimally invasive technique. Clear visualization is crucial for both safe and efficient arthroscopic procedures.
- Conditions
- Knee Arthroscopy, Visualization, Adrenaline, Tourniquet
- Trial name
- NCT07813715
- Testing
- Tourniquet, Adrenaline
- Where
- Nepal
- Volunteers
- 169 people
- Sponsor
- Kathmandu University School of Medical Sciences
Diabetic Retinopathy
Long-Term Follow-Up of Patients Enrolled in the Early Treatment Diabetic Retinopathy Study (ETDRS)
Patients enrolled in the original Early Treatment Diabetic Retinopathy Study at the Clinical Center at Johns Hopkins Wilmer Eye Institute will be invited for a follow-up visit at the National Eye Institute.
- Trial name
- NCT00001612
- Where
- United States
- Volunteers
- 170 people
- Sponsor
- National Eye Institute (NEI)
Foot Diseases, Ankle Disease
Reliability and Validity of the Finnish Visual Analogue Scale Foot and Ankle and the Lower Extremity Functional Scale
There are no validated patient-reported outcome measures to assess lower extremity function in Finnish language. The present study aimed to 1)translate and culturally validate the Finnish versions of the Visual Analogue Scale…
- Trial name
- NCT02536651
- Testing
- Ankle surgery
- Volunteers
- 120 people
- Sponsor
- Helsinki University Central Hospital
Eye Injuries
Visual Outcome of Traumatic Posterior Segment Complications
to identify the demographic, the clinical characteristics and the possible predictive factors affecting long-term visual outcomes of traumatic posterior segment complications presenting to Assiut University Hospital.
- Trial name
- NCT04521283
- Volunteers
- 60 people
- Sponsor
- Assiut University
Cataract, Aphakia
A Multi Focal Visual Outcome Study Using Different Near Additions
A multi-centre non-randomized clinical investigation to assess multifocal visual outcomes using different near additions, for the treatment of aphakia after cataract removal.
- Trial name
- NCT00960700
- Testing
- Visual Acuity, Contrast sensitivity, Reading Speed
- Where
- 2 sites in Germany, Lithuania
- Volunteers
- 52 people
- Sponsor
- Rayner Intraocular Lenses Limited
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
Retinal Detachment
Randomized Controlled Trial of LUtein as a Novel Neuroprotective Adjunctive Therapy to Improve Visual Outcome of Rhegmatogenous Retinal Detachment (LUNAR Study)
Retinal detachment is a major cause of blindness, particularly among contemporary Asian populations due to the high prevalence of myopia. Without timely treatment, retinal detachment invariably results in blindness.
- Trial name
- NCT03932305
- Testing
- Lutein
- Volunteers
- 110 people
- Sponsor
- Singapore National Eye Centre
Retinal Detachment, Macular Edema
OCT Macula Biomarkers Before Silicone Oil Removal and Visual Outcome After Silicone Oil Removal
Silicone oil is commonly used as a temporary intraocular tamponade to support the retina during vitreoretinal surgery for complex retinal detachment and other severe retinal conditions.
- Conditions
- Retinal Detachment, Macular Edema, Silicone Oil Tamponade, Epiretinal Membrane
- Trial name
- NCT07865468
- Volunteers
- 30 people
- Sponsor
- Assiut University
Cataract
Rotational Stability of Acrysof IQ Vivity Extended Vision Toric IOL and Refractive Visual Outcome.
The purpose of this research is to assess the rotational stability of the AcrySof IQ Vivity Extended Vision Toric IOL and Refractive Visual outcome.
- Trial name
- NCT05119127
- Testing
- Alcon Vivity toric intra ocular lens
- Where
- United States
- Volunteers
- 35 people, healthy volunteers welcome
- Sponsor
- Kevin Barber
Blindness
Pars Plana Surgical Capsulotomy for Posterior Capsular Opacification
Cataract is a leading cause of Global blindness. After cataract surgery nearly half of the people become blind due to posterior capsular opacification. The only solution for this problem is LASER capsulotomy.
- Trial name
- Capsulotomy (NCT00964613)
- Volunteers
- 176 people
- Sponsor
- Dow University of Health Sciences
Myopia, Intraocular Lens Complication
Trifocal Intraocular Lens in High Myopic Patients With Different Meta-PM Grading
Study the postoperative visual quality and safety of trifocal intraocular lenses implanted in patients with different levels of myopic maculopathy stages according to Meta-PM staging (stage 0-2).
- Trial name
- NCT05718076
- Testing
- cataract surgery
- Where
- 2 sites in China
- Volunteers
- 60 people
- Sponsor
- Aier School of Ophthalmology, Central South University
Myopia, Astigmatism
Contralateral Study of Topography Guided LASIK Versus Small Incision Lenticule Extraction
This study evaluates differences in postoperative visual outcomes between patients receiving Topography-Guided LASIK in one eye and Small Incision Lenticule Extraction in the other eye.
- Trial name
- NCT05611294
- Testing
- Topography Guided LASIK Surgery, Small Incision Lenticule Extraction Surgery
- Where
- United States
- Volunteers
- 42 people, healthy volunteers welcome
- Sponsor
- Hoopes Vision
Hemianopsia, Homonymous
Testing of a Functional Outcome Measure for Those With Visual Field Defects
This study is designed in two Phases. In phase 1, the Functional Outcome Measure will be tested to determine its validity and reliability in three populations, subjects that have not had a stroke and have no visual field defect…
- Trial name
- FOM (NCT00731796)
- Testing
- Functional Outcome Measure
- Where
- 3 sites in United States
- Volunteers
- 190 people, healthy volunteers welcome
- Sponsor
- NovaVision, Inc.
Keratoconus
A Clinical Study of Keratoconus in Asian Patients and Assessment of Different Topographic Patterns of Keratoconus in Asian Patients
A clinical study of keratoconus in Asian Patients and assessment of different topographic patterns of keratoconus in Asian patients
- Trial name
- NCT00347074
- Where
- Singapore
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Singapore National Eye Centre