Clinical trials: Vision Disorder
Glaucoma Eye, Glaucoma
Comparison of Fixation Suture Type in Glaucoma Surgery
The aim of the study is to compare the effectiveness and safety of two types of intraoperative eye fixation: for the superior rectus muscle and traction suture in the peripheral cornea.
- Trial name
- NCT03797846
- Testing
- combined glaucoma surgery
- Where
- Poland
- Volunteers
- 41 people, healthy volunteers welcome
- Sponsor
- Medical University of Bialystok
Vision Loss
Perception of Objects and Natural Scenes in People With Vision Loss (ACTIVIS)
The loss of central vision causes difficulty not only in reading but also in faces recognition, and in particular in the identification of facial expression, objects or spaces.
- Trial name
- ACTIVIS (NCT02862405)
- Testing
- vision tests
- Volunteers
- 260 people, healthy volunteers welcome
- Sponsor
- Lille Catholic University
Glaucoma
GlaukomAI: Clinical Validation of an AI System for Early Glaucoma Screening
Glaucoma is one of the leading causes of irreversible blindness worldwide. Early diagnosis is crucial to prevent vision loss, but current diagnostic pathways require multiple specialist visits and tests, leading to long waiting…
- Trial name
- GlaukomAIcare (NCT07668193)
- Testing
- GlaukomAI (Sens-vue GlaukomAI)
- Volunteers
- 1,200 people, healthy volunteers welcome
- Sponsor
- Fondazione G.B. Bietti, IRCCS
Glaucoma, Inflammatory Response
Impact Post-operative Treatment on Intraocular Pressure Post-SLT on Patients With Primary Open-angle Glaucoma
The present study's main objective is to assess if there is a significant difference between either of the treatments frequently used in post-op, namely a topic cortisone-based treatment, an non-steroidal anti-inflammatory drug…
- Trial name
- SLT (NCT01058278)
- Testing
- Selective Laser trabeculoplasty
- Where
- Canada
- Volunteers
- 67 people, healthy volunteers welcome
- Sponsor
- CHU de Quebec-Universite Laval
Amblyopia
Optical Correction and Visual Functions of Adults With Amblyopia
Amblyopia is a developmental anomaly resulting from abnormal visual experiences in early life. Amblyopia causes reduced visual acuity in the absence of a pathology.
- Trial name
- SPECTRA (NCT05394987)
- Testing
- Spectacles
- Where
- 2 sites in Canada, Hong Kong
- Volunteers
- 45 people, healthy volunteers welcome
- Sponsor
- Centre for Eye and Vision Research
Normal Tension Glaucoma
IOP Lowering Effects of Topical Anesthetics Used Frequently in the Ophthalmology Clinic
The primary purpose of this study is to determine whether topical ophthalmic anesthetics lower the intraocular pressure in the eye.
- Trial name
- NCT01254149
- Where
- United States
- Volunteers
- 43 people, healthy volunteers welcome
- Sponsor
- University of Nebraska
Healthy, Strabismus
Development of the Eye Motor System During the First 7 Months of Life in Infants With and Without a Family History of Cross-Eye
Little is known about the development of the ocular, or eye, motor system (the parts of the brain that control how the eyes move) in children.
- Trial name
- NCT00001143
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- National Eye Institute (NEI)
Glaucoma, Vision Impairment and Blindness
Manhattan Vision Screening and Follow-Up Study (NYC-SIGHT)
The investigators are conducting a 5-year prospective, 2:1 cluster-randomized controlled trial, funded by the Centers for Disease Control (CDC), which provides vision screenings to underserved New York City residents living in…
- Conditions
- Glaucoma, Vision Impairment and Blindness, Cataract, Diabetic Retinopathy
- Trial name
- NCT04271709
- Testing
- Enhanced Intervention Using Patient Navigators, Usual Care
- Where
- United States
- Volunteers
- 749 people, healthy volunteers welcome
- Sponsor
- Columbia University
Dry Eye
Ocular Inflammation in Cataract Patients and Response to Treatment With Xiidra
To determine if the use of Xiidra® reduces ocular surface inflammation in preoperative and postoperative cataract patients.
- Trial name
- NCT04120987
- Testing
- Lifitegrast 5% Ophthalmic Solution
- Where
- United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- Bucci Laser Vision Institute
Intraocular Lens Implantation, Cataract
Intraoperative Aberrometry vs Conventional Intraocular Lens Calculation, a Prospective Study.
the goal of this intervention study is to compare prospectively the accuracy of the power calculation between both groups, the intraoperative aberrometry (ORA) vs barrett universal II preoperative calculation (control group) .
- Conditions
- Intraocular Lens Implantation, Cataract, Humans, Ocular, Refraction
- Trial name
- ORAVSCTRL (NCT06219252)
- Testing
- Intraoperative aberrometer, Preoperative intraocular lens calculation
- Where
- Mexico
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- Instituto de Oftalmología Fundación Conde de Valenciana
Alcohol Impairment, Nystagmus
Alcohol Impairment Detection in Healthy Adult Users With the Gaize Device
This study evaluates the effectiveness of the Gaize virtual reality headset as a non-invasive tool for detecting alcohol-related impairment through ophthalmic and neurological indicators.
- Conditions
- Alcohol Impairment, Nystagmus, Virtual Reality, Lack of Smooth Pursuit
- Trial name
- AAI (NCT07126938)
- Testing
- Alcoholic beverage
- Where
- United States
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Gaize
Amblyopia
Comparison of Binocular Spectacle Prescription Versus Patching Therapy in Refractive Amblyopia Patients
This study will examine on Refractive Amblyopia patients, whose amblyopia started due to longstanding uncorrected refractive errors.
- Trial name
- NCT06739798
- Testing
- Exp Group, Control Group
- Where
- Pakistan
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- Superior University
Pneumoperitoneum
Intra-ocular Pressure and Ventilation
Background: Positive pressure pneumoperitoneum (PP) may involve adverse pathophysiological changes, including increased intra-thoracic and ocular pressure, when combined with standard ventilation.
- Trial name
- pressure (NCT02731404)
- Testing
- HFJV ventilation, IPPV ventilation
- Volunteers
- 26 people, healthy volunteers welcome
- Sponsor
- Western Galilee Hospital-Nahariya
Optic Neuritis
The Correlation Between AQP-4 Ab and the Visual Function of Patients With Demyelinating ON at Onset
To evaluate the optical coherence tomography (OCT), visual field (VF), Visual evoked po-tential(VEP) characteristics between neuromyelitis optica- related optic neuritis (NMOSD-ON) and multiple sclerosis- related ON (MS-ON) in a…
- Trial name
- NCT02886377
- Testing
- blood test of anti-AQP4 antibody
- Where
- China
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- Xiujuan Zhao
Eye Movement Disorder, Cognitive Dysfunction
Eye Movement and Cognitive Dysfunction
There is association between eye movement disorder and cognitive dysfunction. Therefore, utilizing eye movement and screening for cognitive dysfunction is feasible.
- Trial name
- EMCD (NCT04236375)
- Where
- China
- Volunteers
- 1,539 people, healthy volunteers welcome
- Sponsor
- Sun Yat-sen University
Myopia, Astigmatism
Early Changes Between Lenticule Extraction and Small-Incision Lenticule Extraction
The aim is to evaluate the short-term changes in ocular surface measures and tear inflammatory mediators after lenticule extraction (FLEx) and small-incision lenticule extraction (SMILE) procedures.
- Trial name
- NCT02540785
- Testing
- lenticule extraction, small-incision lenticule extraction
- Volunteers
- 41 people, healthy volunteers welcome
- Sponsor
- Sun Yat-sen University
Superior Limbic Keratoconjunctivitis, Conjunctivochalasis
The Role of Cytokines and Mast Cell in the Pathogenesis of SLK, Conjunctivochalasis, and Dry Eye
The specific aims of the the investigators studies are as follows: To collect the tear samples from patients with different ocular surface disorders, including SLK, conjunctivochalasis, and keratoconjunctivitis sicca (KCS).
- Conditions
- Superior Limbic Keratoconjunctivitis, Conjunctivochalasis, Dry Eye
- Trial name
- NCT02160327
- Where
- Taiwan
- Volunteers
- 105 people, healthy volunteers welcome
- Sponsor
- National Taiwan University Hospital
Glaucoma, Suspect, Glaucoma
Diagnostic Performance of Smart Supra Perimetry (The DPSSP Study)
Early glaucomatous visual field changes can be missed with the routinely used Standard Automated Perimetry (SAP) and the 24-2 test pattern due to limited sampling of the central 10 degrees.
- Trial name
- DPSSP (NCT03978546)
- Testing
- Humphrey Visual Field Test, Optical Coherence Tomography (OCT) Scan, Smart Perimetry - Henson 9000
- Where
- United Kingdom
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Manchester University NHS Foundation Trust
Ocular Hypotension
Clinical Evaluation of CATS Tonometer Prism
Prospective, open-labeled, randomized, controlled, multicenter study at two clinical investigative sites in Tucson, Arizona. The subjects will undergo intraocular pressure measurement with the CATS tonometer prism and the…
- Trial name
- NCT02990169
- Testing
- CATS tonometer prism, Goldmann Tonometer prism
- Where
- United States
- Volunteers
- 38 people, healthy volunteers welcome
- Sponsor
- Intuor Technologies, Inc.
Strabismus
Effect of Neuromuscular Blockade on the Oculomotor by Not Squinting Child
Strabismus is a common condition (4-6% of the population) . The screening and treatment is a public health issue. Indeed, beyond the disfigurement, this disease is very supplier of amblyopia which is definitive if it is not…
- Trial name
- STRABO (NCT02360969)
- Testing
- Examination of the eye
- Where
- 2 sites in France
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Centre Hospitalier Universitaire de Saint Etienne
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