Clinical trials: Visual Disturbances
Primary Dysmenorrhea, Pain
More Than Just p-Values: MCID for the VAS, MSQ and FEMD in Patients With Primary Dysmenorrhea
The aim of this study is to determine the Minimal Clinically Important Difference (MCID) for the Visual Analog Scale (VAS), Menstrual Symptom Questionnaire (MSQ), and Functional and Emotional Measure of Dysmenorrhea (FEMD) in…
- Conditions
- Primary Dysmenorrhea, Pain, Menstrual Discomfort
- Trial name
- NCT06835036
- Testing
- Exercise Treatment
- Where
- Turkey (Türkiye)
- Volunteers
- 100 people
- Sponsor
- Artvin Coruh University
Pseudophakia
The Effects of Angle Kappa on Clinical Outcomes With the PanOptix Intraocular Lens
Angle Kappa is considered a potential factor in explaining suboptimal outcomes with intraocular lenses (IOLs), particularly multifocal IOLs. Some evidence suggests this is not the case.
- Trial name
- NCT04242875
- Testing
- Angle Kappa, Visual disturbance questionnaire.
- Where
- United States
- Volunteers
- 30 people
- Sponsor
- Carolina Eyecare Physicians, LLC
Visual Acuity, Visual Disturbance
Intra Ocular Pressure During Robotic Prostatectomy
Our goal is to study the relationship between intraocular pressure during robotic prostatectomy surgery and visual deficiencies/vision loss after surgery.
- Conditions
- Visual Acuity, Visual Disturbance, Intraocular Pressure
- Trial name
- NCT00369057
- Where
- United States
- Volunteers
- 15 people
- Sponsor
- Weill Medical College of Cornell University
Vision Disorders
A Predictive Score for the Ischemic Etiology of a Transient Visual Disturbances (VASCO)
The transient visual disturbances (TVD) are defined by a short abnormality of visual function. Their etiology may be ophthalmological, neurological non-ischemic or of ischemic origin.
- Trial name
- VASCO (NCT02485054)
- Testing
- Clinical, ophthalmological and neurological evaluation
- Where
- 2 sites in France
- Volunteers
- 403 people
- Sponsor
- Fondation Ophtalmologique Adolphe de Rothschild
Cataract Surgery
The PanOptix Trifocal IOL: A Study of Patient Satisfaction, Visual Disturbances, and Uncorrected Visual Performance
Prospective survey study of patients who previously underwent cataract surgery with the Alcon PanOptix or PanOptix Toric intraocular lens in both eyes.
- Trial name
- NCT04146961
- Testing
- Alcon PanOptix or PanOptix Toric IOL
- Where
- 3 sites in United States
- Volunteers
- 59 people
- Sponsor
- Research Insight LLC
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
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
Cesarean Section, Dysmenorrhea
Association Between Cesarean Scar Mobility and Menstrual Pain in Post-Cesarean Women
The aim of this observational cross-sectional study is to investigate the association between cesarean scar mobility and menstrual pain severity in women following cesarean section.
- Trial name
- NCT07729254
- Where
- Egypt
- Volunteers
- 51 people
- Sponsor
- Cairo University
Mesopic Vision, Night Vision Loss
Safety and Efficacy of 0.75% Phentolamine Ophthalmic Solution in Subjects With Post-refractive Surgery Visual Disturbances
Safety and efficacy of 0.75% Phentolamine Ophthalmic Solution to improve mesopic low contrast visual acuity in subjects with post-refractive surgery visual disturbances.
- Trial name
- LYNX-2 (NCT06349759)
- Testing
- phentolamine ophthalmic solution 0.75%, a non-selective alpha-1 and alpha-2 adrenergic antagonist
- Where
- 25 sites in United States
- Volunteers
- 200 people
- Sponsor
- Opus Genetics, Inc
Dysmenorrhea
Effectiveness of the Transcutaneous Electrical Nerve Stimulation in Dysmenorrhea
Hypothesis: What is the best modulation of pulse frequency in transcutaneous electrical nerve stimulation in dysmenorrhea? Purpose: To determine the effect of hypoalgesia frequency modulation pulse by transcutaneous electrical…
- Trial name
- NCT01455285
- Testing
- transcutaneous electrical nerve stimulation
- Where
- Brazil
- Sponsor
- Universidade Federal do Piauí
Premenstrual Syndrome, Pain
Effects of Aerobic Exercises and Yoga on Premenstrual Syndrome
Sign and symptoms including mood swings, sensitive breasts, food cravings, exhaustion, irritability, pain and sadness. The physical and emotional changes you go through with premenstrual syndrome can range from hardly perceptible…
- Trial name
- NCT05834127
- Testing
- Aerobic exercise, Yoga Exercises
- Where
- Pakistan
- Volunteers
- 36 people
- Sponsor
- Riphah International University
Stroke, Oculomotor; Disorder
Oculomotor and Cognitive Rehabilitation Using Visual Feedback in Stroke Patients
Investigators will test the effectiveness of oculomotor cognitive training using eye tracker-based device during rehabilitation course in patients with a degree of disability no more than 3 points on a scale Rankin.
- Conditions
- Stroke, Oculomotor; Disorder, Attention Disturbances
- Trial name
- NCT05309148
- Testing
- Training on eye tracker based device, Training with a neuropsychologist, Training on eye tracker based device and with a neuropsychologist
- Where
- Russia
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Federal Center of Cerebrovascular Pathology and Stroke, Russian Federation Ministry of Health
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)
Visual Impairment, Menstrual Problem
Menstrual Health Education for Visually Impaired Adolescent
This study was planned as a two-group randomized controlled interventional study to determine the effect of face-to-face and web-based menstrual health education given to visually impaired adolescent girls on menstrual attitude…
- Trial name
- NCT06490016
- Testing
- web based education, Face to face
- Where
- Turkey (Türkiye)
- Volunteers
- 35 people, healthy volunteers welcome
- Sponsor
- Cukurova University
Visual Disturbances and Blindness, Visual Acuity Reduced Transiently
Home-based Visual Training in Patients Implanted With Trifocal Diffractive Intraocular Lenses
This multicentre randomised controlled trial aimed to reduce the visual discomfort that patients implanted with trifocal diffractive intraocular lenses may experience after surgery.
- Trial name
- OPTicTRAIN (NCT04985097)
- Testing
- Implantation of trifocal diffractive intraocular lenses
- Where
- Spain
- Volunteers
- 60 people
- Sponsor
- Increase-Tech
Neck Pain, Visual Disturbances
Correlation Between Neck Pain and Visual Disturbances in Smartphone Users
the goal of this study is to Investigate the correlation between neck pain and visual disturbances in smartphone users.
- Trial name
- NCT06446700
- Testing
- neck disability index and visual functional questionnaire
- Where
- Egypt
- Volunteers
- 141 people, healthy volunteers welcome
- Sponsor
- Cairo University
Mild Traumatic Brain Injury
Change in Connectivity After mTBI Depending on Cognitive Reserve
The purpose of this study is to investigate the role of cognitive reserve in change in connectivity in the brain (measured with functional magnetic resonance imaging, fMRI) and how this is related to symptoms and symptom…
- Trial name
- NCT05593172
- Where
- Sweden
- Volunteers
- 30 people
- Sponsor
- Danderyd Hospital
Menorrhagia
Comparison of Two Hysteroscopy Approaches
This randomized clinical trial compares two methods of diagnostic hysteroscopy: vaginoscopic hysteroscopy vs. traditional method.
- Trial name
- NCT00319410
- Testing
- vaginoscopic hysteroscopy
- Where
- Israel
- Volunteers
- 130 people
- Sponsor
- Wolfson Medical Center
Endothelial Dysfunction, Sublingual Capillary Glycocalyx and Density
Prematurity as Predictor of Children's Cardiovascular-renal Health
Extreme preterm birth interferes with the development of the cardiovascular system. Both macro- as well as microvasculature undergoes extensive, organ specific maturation.
- Conditions
- Endothelial Dysfunction, Sublingual Capillary Glycocalyx and Density, Visual Disturbances and Blindness, Ventricular Dysfunction, Left
- Trial name
- PREMATCH (NCT02147457)
- Where
- Belgium
- Volunteers
- 180 people, healthy volunteers welcome
- Sponsor
- Universitaire Ziekenhuizen KU Leuven
Aphakia
Clinical Investigation of the AcrySof IQ Vivity Extended Vision Intraocular Lens (IOL)
The purpose of this study is to compare the visual disturbance profile of an intraocular lens (IOL) using nondiffractive optics, the VIVITY IOL, to two diffractive IOLs in subjects requiring bilateral cataract surgery.
- Trial name
- NCT04098367
- Testing
- VIVITY, SYMFONY, AT LARA
- Where
- 12 sites in Australia, New Zealand
- Volunteers
- 222 people
- Sponsor
- Alcon Research