Clinical trials: Eye Change
Epiretinal Membrane
Evaluation of Multifocal ERG and Visual Field Changes After Vitrectomy and ILM Peeling
To evulate changes in MfERG, VF and OCT after viterctomy associated with ILM peeling.
- Trial name
- NCT04281173
- Volunteers
- 10 people
- Sponsor
- Assiut University
Polypoidal Choroidal Vasculopathy
OCTA and Polypoidal Choroidal Vasculopathy
To investigate the structural and vascular features of choroid in patients affected by PCV after Ranibizumab intravitreal injection.
- Trial name
- NCT04714242
- Testing
- Ranibizumab Injection
- Where
- Italy
- Volunteers
- 60 people
- Sponsor
- Federico II University
Open Angle Glaucoma
Different Glaucoma Treatments Effect on Intraocular Pressure Fluctuation With Postural Change in Eyes With Open-angle Glaucoma
The purpose of this study is to investigate the effect of trabeculectomy, glaucoma drainage devices, cyclophotocoagulation and ocular hypotensive eye-drops on IOP elevation with postural change from the sitting to supine…
- Trial name
- NCT02868502
- Testing
- Goldmann tonometer, Pneumatonometer, Tonopen XL
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- Meir Medical Center
Onchocerciasis
Study to Assess Adverse Events, Change in Disease Activity and How Oral ABBV-4083 Capsules When Given Alone or In Combination With Albendazole Capsules Moves in The Body of Adult Participants With Onchocerca Volvulus Infection
Onchocerciasis is a major public health problem in affected countries that causes disease-induced disability, and overall loss of economic productivity.
- Trial name
- NCT04913610
- Testing
- ABBV-4083, Albendazole
- Where
- 2 sites in Democratic Republic of the Congo
- Volunteers
- 153 people
- Sponsor
- AbbVie
Exfoliation Syndrome, Primary Open Angle Glaucoma
Imaging Lens Deposits in Exfoliation Syndrome
The purpose of this study is to use a special eye imaging technique, anterior segment optical coherence tomography (AS-OCT), to image the lens (the curved, transparent part of the eye that helps you to see clearly by directing…
- Conditions
- Exfoliation Syndrome, Primary Open Angle Glaucoma, Cataracts
- Trial name
- NCT02042703
- Testing
- anterior segment OCT
- Where
- United States
- Volunteers
- 4 people
- Sponsor
- Duke University
Rhegmatogenous Retinal Detachment
Axial Length Change in Eyes Treated by Silicone Sponge Scleral Buckling
All existing medical literatue regarding axial length (AL) changes after scleral buckling surgery for retinal detachment, descibes changes after solid silicone buckling.
- Trial name
- NCT01647373
- Where
- 2 sites in Israel
- Volunteers
- 50 people
- Sponsor
- Meir Medical Center
Dry Eye Syndrome, Photophobia
Functional MRI Study of Cortical Modifications to Light Stimulation in Patients With Photophobia
Photophobia is a common and disabling symptom in patient with dry eye syndrome. The aim of this study is tried to better understand this complain analyzing brain activation during a luminous stimulation to highlight modification…
- Trial name
- NCT03464357
- Testing
- fMRI
- Where
- France
- Volunteers
- 16 people
- Sponsor
- University Hospital, Toulouse
Stroke
The Effect of Optic Flow During Treadmill Walking on the Gait Pattern in People Post-stroke
The aim of this study is to investigate the onset, magnitude and duration of the effect of manipulating the optic flow on the gait pattern during Virtual Reality (VR)-enhanced treadmill walking compared to treadmill walking…
- Trial name
- NCT03898375
- Testing
- Walking with different optic flow speeds
- Where
- Belgium
- Volunteers
- 2 people
- Sponsor
- Vrije Universiteit Brussel
Silicone Tamponade
The Effect of Postural Changes on Intraocular Pressure in Silicone Oil-filled Eyes
The study was conducted to investigate how postural changes including sitting, supine, and LDP(lateral decubitus position) affect the IOP(intraocular pressure) of SO(silicone oil-filled eyes.
- Trial name
- NCT01992510
- Where
- South Korea
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- Kyungpook National University Hospital
Strabismus; Intermittent
Eye Alignment and Eye Control Changes Through Follow up Period After Application of Eye Exercises Post Strabismus Surgery
The aim of this study is to determine the patient status through its follow up period and weather the eye alignment and eye control are as the same as the last physiotherapy treatment session or there is any deterioration of them.
- Trial name
- NCT06543212
- Testing
- physiotherapy exercises
- Where
- Egypt
- Volunteers
- 40 people
- Sponsor
- Amany Refaat Mohamed Abdel Wahid
Cataract
Anterior Segment Changes After Phacoemulsification in Cataractous Eyes with Shallow Anterior Chamber
Phacoemulsification in shallow anterior chamber is considered to be more hazardous regarding risk of intraoperative and postoperative complications.
- Trial name
- NCT06745596
- Testing
- cataract surgery 1, cataract surgery 2
- Where
- Egypt
- Volunteers
- 24 people
- Sponsor
- Zagazig University
Intraocular Pressure, Intracranial Pressure
Intraocular Pressure and Optic Nerve Sheath Diameter Changes at Different PEEP Levels
Positive end-expiratory pressure (PEEP) is sometimes used during perioperative period, as it has favourable effects on lung mechanics.
- Conditions
- Intraocular Pressure, Intracranial Pressure, Positive End-expiratory Pressure
- Trial name
- NCT03938402
- Testing
- Positive end-expiratory pressure
- Where
- Turkey (Türkiye)
- Volunteers
- 15 people
- Sponsor
- Marmara University
Central Serous Chorioretinopathy, Age Related Macular Degeneration
PRedictive Factors and Changes From Treatment in iPCV Versus CSR Versus nAMD With afLibercept
The presence of PEDs in nAMD, CSR and iPCV can present a diagnostic challenge in the elderly population; despite detailed diagnostic testing to differentiate these three conditions, misdiagnosis and mistreatment still occurs.
- Conditions
- Central Serous Chorioretinopathy, Age Related Macular Degeneration, Idiopathic Poplypoidal Choroidal Vasculopathy
- Trial name
- PRaCTICAL (NCT02681783)
- Testing
- aflibercept
- Where
- Canada
- Volunteers
- 90 people
- Sponsor
- Sunnybrook Health Sciences Centre
Spaceflight Associated Neuro-Ocular Syndrome, SANS
The Eye in Orbit: UCF Adaption
The goal of this study is to understand the impact of space travel on the eyes. Space flight impacts numerous aspects of ocular anatomy and physiology.
- Trial name
- NCT06092359
- Where
- United States
- Volunteers
- 1 people
- Sponsor
- University of Central Florida
Allergic Conjunctivitis
Evaluation of the Effectiveness of ST266 Ophthalmic Drops Compared to Placebo to Treat Allergic Conjunctivitis
The purpose of this study is to evaluate the efficacy of ST266 ophthalmic drops compared to placebo for the treatment of the signs and symptoms of allergic conjunctivitis.
- Trial name
- NCT02978183
- Testing
- ST266, Saline (0.9% NaCl)
- Where
- 2 sites in United States
- Volunteers
- 70 people
- Sponsor
- Noveome Biotherapeutics, formerly Stemnion
Cataract
Evaluation of the EpiGlare Tester for the Measurement of Glare-Induced Changes in BSCVA in Subjects With and Without Cataracts
The EpiGlare Tester will identify visual disability resulting from the glare experienced by subjects with cataracts in the glare-induced change in best spectacle corrected visual acuity (BSCVA).
- Trial name
- NCT04739397
- Testing
- Glare Testing
- Where
- United States
- Volunteers
- 89 people, healthy volunteers welcome
- Sponsor
- Epico, LLC
Diabetic Retinopathy (DR), Cardiopulmonary Bypass
Choroidal Changes During Cardiopulmonary Bypass
This prospective observational study investigates the impact of pulsatile versus non-pulsatile cardiopulmonary bypass (CPB) flow on choroidal circulation in diabetic and non-diabetic patients undergoing elective coronary artery…
- Conditions
- Diabetic Retinopathy (DR), Cardiopulmonary Bypass, Retinal Vascular Diseases
- Trial name
- NCT07034612
- Where
- Turkey (Türkiye)
- Volunteers
- 102 people
- Sponsor
- Samsun University
Diabetic Retinopathy
Changes of Macular Vasculature After Uncomplicated Phacoemulsification Surgery Using Optical Coherence Tomography Angiography
To record the vascular changes that may be present in the macular after uncomplicated phacoemulsification surgery by using OCTA, a comparative study between healthy and diabetic patients
- Trial name
- NCT04594603
- Testing
- Phacoemulsification for cataract
- Where
- Egypt
- Volunteers
- 30 people
- Sponsor
- Tanta University
Cataract, Glaucoma
IOP Changes Associated With SICS and Phako
Prospective randomized trial in patients requiring cataract surgery in which IOP, angle anatomy and other demographic and clinical data are compared. Subjects randomized to both MSICS and phakoemulsification
- Trial name
- NCT02642211
- Testing
- cataract surgery
- Volunteers
- 500 people, healthy volunteers welcome
- Sponsor
- Robin, Alan L., M.D.
Myopia
DW Evaluation of Lotrafilcon B Lenses in a Modified Design
The purpose of this study is to demonstrate that Lotrafilcon B AIR OPTIX® AQUA sphere modified design lenses are noninferior to Lotrafilcon B AIR OPTIX® AQUA in overall lens fit by comparing the percent of subjects satisfying the…
- Trial name
- NCT02157909
- Testing
- Lotrafilcon B sphere modified design contact lenses, Lotrafilcon B sphere contact lenses
- Volunteers
- 134 people
- Sponsor
- Alcon Research