Clinical trials: Visual Field
Idiopathic Epiretinal Membranes
Clinical Evaluation of With or Without Internal Limiting Membrane Peeling for Idiopathic Epiretinal Membrane Surgery: A Randomized Controlled Trial
Idiopathic epiretinal membrane (ERM) is an age-related degenerative retinal condition. One of the primary treatment approaches is vitrectomy combined with epiretinal membrane peeling.
- Trial name
- NCT07142785
- Testing
- Epiretinal membrane peeling, Epiretinal membrane peeling combined with internal limiting membrane peeling
- Where
- China
- Volunteers
- 96 people
- Sponsor
- Second Affiliated Hospital, Zhejiang University, School of Medicine
Retinitis Pigmentosa, Glaucoma
Evaluation of Objective Perimetry Using Pupillometer
Objective perimetry can better monitor visual field defects in RP and Glaucoma patients than conventional subjective perimetry.The PLR ( Pupil Light Reflex ) of the short and long wave ratio should be significantly higher in…
- Conditions
- Retinitis Pigmentosa, Glaucoma, Visual Field
- Trial name
- NCT01021982
- Where
- Israel
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Sheba Medical Center
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
Primary Open-angle Glaucoma (POAG) Patient
Intraocular Pressure (IOP) Patterns in Fast Versus Slow Visual Field (VF) Progression Patients
The purpose of this study is to investigate how the intraocular pressure (IOP) varies in time and if the IOP variations are associated with the worsening of glaucoma.
- Trial name
- NCT01828255
- Testing
- SENSIMED Triggerfish®
- Where
- United States
- Volunteers
- 40 people
- Sponsor
- Sensimed AG
Visual Function
A Performance Study Comparing the EyeMirage (Test Device) to Standard of Care (Reference Device) in Patients 18 to 65 Years of Age Undergoing Standard Eye Examinations Such as Visual Acuity, Visual Field, Color Vision, and Self-Paced Saccade for Various Conditions
This study will assess the effectiveness and accuracy of results of a new device for eye function testing. This will be done by comparing results of four eye tests that are done through the current standard used in eye clinics…
- Trial name
- NCT06908967
- Testing
- EyeMirage device
- Where
- 4 sites in Canada
- Volunteers
- 160 people, healthy volunteers welcome
- Sponsor
- Neuroptek Corporation Inc.
Pigmentary Retinopathy
Impact of Visual Field Restriction on Visual Exploration
To communicate with the observer and guide his gaze on the canvas, painters have developed different stylistic processes that artists, in the manner of scientists, have acquired on the functioning of human visual perception.
- Trial name
- REVE (NCT04360291)
- Testing
- Eye tracker
- Where
- France
- Volunteers
- 45 people, healthy volunteers welcome
- Sponsor
- Centre Hospitalier National d'Ophtalmologie des Quinze-Vingts
Glaucoma
Are There Changes in the Nerve Fiber Layer (NFL) After Lowering of Eye Pressure?
The aim of this study was to evaluate structural and functional improvement after lowering intraocular pressure (IOP) in patients with glaucoma using Spectral Domain Optical Coherence Tomography (SD-OCT), Visual Field (VF)…
- Trial name
- NCT02600403
- Testing
- Optical Coherence Tomography (OCT), Visual evoked potential (VEP), Humphrey Visual Field (HVF)
- Volunteers
- 61 people
- Sponsor
- Wills Eye
Open-angle Glaucoma, Pseudoexfoliation Glaucoma
Vitamin Mix (B6, B9, B12, And Choline) For Glaucoma Patients
This study aims to determine whether a combination of vitamins (B6, B9, B12, and choline) can help protect the eyes of people with glaucoma and slow vision loss.
- Trial name
- IVMGS (NCT06885827)
- Testing
- Vitamin B-mix, Standard Care
- Where
- 2 sites in Sweden
- Volunteers
- 80 people
- Sponsor
- Karolinska Institutet
Glaucoma, Healthy
Quantification of Agreement and Variability of a Newly Developed Visual Field Algorithm With the Reference Standard
This study aims to compare two types of visual field test; retinal sensitivity values obtained with the reference standard Swedish Interactive Thresholding Algorithm (SITA) of the standard visual field test and with a newly…
- Trial name
- vFAST (NCT02727569)
- Testing
- New visual field algorithm with DLS, SITA algorithm, New visual field algorithm with MMDT
- Where
- United Kingdom
- Volunteers
- 110 people, healthy volunteers welcome
- Sponsor
- Moorfields Eye Hospital NHS Foundation Trust
Visual Pathway Disorder, Glaucoma
Assessment of Visual Function in Ophthalmic Disorders Using Virtual Visual Field Analysis
1. To evaluate the accuracy of virtual visual field (VVF) headsets equipped the standard visual field software in its ability to assess visual function in various retinal, glaucoma and neuro-ophthalmic disorders by comparing…
- Conditions
- Visual Pathway Disorder, Glaucoma, Retinal Disease
- Trial name
- proVVF (NCT04110015)
- Testing
- virtual visual field
- Where
- United States
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- New York City Health and Hospitals Corporation
Glaucoma Eye
The Value of Visual Field Examination in Driving Licence.
The aim of the study is to identify clinical criteria, easily achievable with patient's follow-up tests, which can identify individuals at increased risk of being unfit to drive.
- Trial name
- NCT04671550
- Testing
- questionnaire
- Where
- Italy
- Volunteers
- 200 people
- Sponsor
- Università degli Studi dell'Insubria
Visual Impairment, Stroke
Re-Orchestration of Interregional Oscillatory Activity to Promote Visual Recovery
This project assesses the effect of bifocal cross-frequency transcranial alternating current stimulation (tACS) combined with visual training to improve visual recovery and orchestrated oscillatory activity in stroke patients…
- Conditions
- Visual Impairment, Stroke, Parkinson Disease
- Trial name
- R4V (NCT05220449)
- Testing
- Cross-frequency dual-site tACS
- Where
- Switzerland
- Volunteers
- 30 people
- Sponsor
- Ecole Polytechnique Fédérale de Lausanne
Glaucoma, Open-Angle
Nicotinamide in Glaucoma (NAMinG): A Randomised, Placebo-controlled, Multi-centre, Phase III Trial
Glaucoma is the leading cause of sight impairment and blindness worldwide. It is a long-term eye disease which can cause permanent loss of sight and sometimes blindness and affects 1 in 50 people over 50 years of age.
- Trial name
- NAMinG (NCT05405868)
- Testing
- Nicotinomide
- Where
- 10 sites in United Kingdom
- Volunteers
- 496 people
- Sponsor
- University College, London
Retinitis Pigmentosa
Cone Rescue in Retinitis Pigmentosa by the Treatment of Lycium Barbarum
Objectives: To study the immediate effect and the persistent effect of Lycium barbarum (LB) treatment on retinal functions, especially the cone function, and retinal structure in patients with retinitis pigmentosa (RP) Design…
- Trial name
- NCT02244996
- Testing
- Lycium Barbarum
- Where
- Hong Kong
- Volunteers
- 50 people
- Sponsor
- The Hong Kong Polytechnic University
Glaucoma, Open-Angle, Ocular Hypertension
Evaluation of Rate of Progression With Perimetry in Newly Diagnosed Open Angle Glaucoma
The purpose of this study is to evaluate rate of progression in newly diagnosed open angle glaucoma with different types of perimetry.
- Trial name
- NCT02379208
- Where
- Finland
- Volunteers
- 60 people
- Sponsor
- Turku University Hospital
Surgical Hemostasis
Comparative Study Between the Effect of Dexmedetomidine ,Midazolam or Bupivacaine Packing During FESS on Surgical Field Visualization
The goal of this interventional study is to compare the nasal packing with dexmedetomidine .midazolam or bupivacaine on surgical field visualization during FESS .
- Trial name
- FESS (Function (NCT07013955)
- Testing
- Saline, Dexmedetomidine, Midazolam
- Where
- Egypt
- Volunteers
- 144 people
- Sponsor
- Minia University
ILM Peeling
Evaluation of OCT and Visual Field Changes After Vitrectomy and ILM Peeling
To evulate changes in VF and OCT after viterctomy associated with ILM peeling.
- Trial name
- NCT04312620
- Volunteers
- 10 people
- Sponsor
- Assiut University
Glaucoma and Ocular Hypertension
Artificial Intelligence for Staging Glaucoma Severity: A Comparison With an Eye Specialist Using Visual Field Tests
The study titled "Reliability of Artificial Intelligence in Glaucoma Severity Staging Using the Brusini GSS2 System: A Longitudinal Comparative Study against Expert Assessment" aims to evaluate the diagnostic reliability and…
- Trial name
- AI-GSS2 (NCT07820709)
- Testing
- Artificial Intelligence GSS2 Staging
- Where
- Italy
- Volunteers
- 50 people
- Sponsor
- University of Salerno
Hemianopia, Brain Injuries
Biofeedback Training for Hemianopia
This is a prospective study that compares biofeedback training on the microperimetry (BT) to a control group in patient s with hemianopia.
- Trial name
- NCT06995313
- Testing
- Biofeedback training
- Where
- Canada
- Volunteers
- 70 people
- Sponsor
- University Health Network, Toronto
Pelvic Organ Prolapse
The Surgical Benefit and Pt.Tolerability Between Two Different Bowel Cleansing Regimens Performed Prior to Pelvic Reconstructive Surgery. Does One Bowel Cleansing Regimen Improve the Surgeons Visual Field Significantly Better Than the Other.
Does mechanical bowel preparation (complete bowel cleansing)help the Surgeon with visualization of the operative field during laparoscopic pelvic reconstructive surgery?
- Trial name
- MBP (NCT01522261)
- Testing
- Mechanical Bowel Prep, No Mechanical Bowel Prep
- Where
- United States
- Volunteers
- 176 people
- Sponsor
- Boston Urogynecology Associates