Clinical trials: Eye Change
Pediatric Disorder, Vitamin D Deficiency
Retinal Changes in Vitamin D Deficiency
Retinal tissue parameters of pediatric patients with vitamin D deficiency will be evaluated in this prospective case-control study. The patients will be divided into 2 groups according to the vitamin D level.
- Conditions
- Pediatric Disorder, Vitamin D Deficiency, Retinal Disease, Choroidal Disease
- Trial name
- VDD (NCT04891211)
- Testing
- Vitamin D deficiency
- Where
- Turkey (Türkiye)
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- Adiyaman University
Conventional LASIK, Femto-LASIK and PRK in Low and Moderate Myopia
Changes of Higher-Order Aberrations After Different Types of LASIK in Myopia
This prospective comparative interventional study will enroll patients with low and moderate myopia who seek laser vision correction at Sohag Center for LASIK and Corneal Surgeries, Sohag, Egypt.
- Trial name
- NCT06860061
- Testing
- Laser refractive surgery
- Volunteers
- 60 people
- Sponsor
- Sohag University
Change in Sustained Attention
Attentional Capacity and Clinician Performance
Uncovering the distinct measurements and features that potentially exist in different levels of expertise when performing cardiology-based procedures.
- Trial name
- ACCP (NCT02928796)
- Testing
- Cognitive Stimulus
- Where
- Ireland
- Volunteers
- 14 people, healthy volunteers welcome
- Sponsor
- University College Cork
Primary Open Angle Glaucoma, Glaucoma
The Objective is to Evaluate the Anterior Chamber Angle After BANG Procedure, the Study Will Recruit 12 Patients Who Will Undergo Planned Goniectomy for Uncontrolled POAG, Anterior Segment OCT Scan Will Be Used to Evaluate the Anterior Chamber Postoperatively.
Evaluation of anterior segment using anterior segment optical coherence tomography in patients undergoing planned bent angle needle goniectomy procedure for uncontrolled open angle glaucoma.
- Trial name
- NCT06526416
- Testing
- Anterior segment optical coherence tomography
- Volunteers
- 12 people
- Sponsor
- Benha University
Cancer
Liposomal Amphotericin B in Treating Granulocytopenia and Persistent Unexplained Fever in Cancer Patients
RATIONALE: Liposomal amphotericin B may be effective in controlling fever and granulocytopenia. It is not yet known which regimen of liposomal amphotericin B is more effective in treating cancer patients who have these…
- Trial name
- NCT00003938
- Testing
- liposomal amphotericin B
- Where
- 24 sites in Belgium, Czechia and 13 more
- Volunteers
- 115 people
- Sponsor
- European Organisation for Research and Treatment of Cancer - EORTC
Allergic Conjunctivitis
Evaluation of Efficacy of Ophthalmic Solution in Seasonal Allergic Conjunctivitis
The purpose of this summary is to evaluate the efficacy and safety of R89674 0.025% ophthalmic solution compared with placebo or an active control in subjects with seasonal allergic conjunctivitis
- Trial name
- NCT00364091
- Testing
- R89674 0.025% ophthalmic solution
- Where
- 6 sites in United States
- Volunteers
- 365 people
- Sponsor
- Vistakon Pharmaceuticals
Eye Change
Correlation Between Corneal Topographic Patterns and Refractive Status Of The Eye in Sohag City,Egypt
To evaluate corneal topographic pattern \& its correlation with refractive status of the eye .
- Trial name
- NCT05626075
- Testing
- Using Oculus Pentacam® which is s a rotating Scheimpflug camera. The rotational measuring procedure generates Scheimpflug images in three dimensions.
- Where
- Egypt
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Sohag University
Diabetic Retinopathy (DR), Retinal Microvascular Changes
Relation Between Glycemic Control and Retinal Microvascular Changes in Diabetic Patients Using OCTA
An observational cross-sectional comparative study which will be conducted in the Department of Ophthalmology, Sohag University Hospital, Egypt to detect the relation between glycemic control and retinal microvascular changes in…
- Trial name
- Retinopathy (NCT07726381)
- Volunteers
- 50 people
- Sponsor
- Sohag University
Eye Diseases, Hereditary
Fundus Changes in the Microphthalmy Eyes
The goal is to describe the fundamental aspects of fundoscopic eye in patients with microphthalmia
- Trial name
- NCT00811512
- Volunteers
- 3 people, healthy volunteers welcome
- Sponsor
- Hospital de Olhos Sadalla Amin Ghanem
Rhegmatogenous Macula-off Retinal Detachment
Corneal Endothelial Cell Changes In Silicon Filled Eye
The aim of this study is to evaluate corneal endothelial cell changes after pars plana vitrectomy in Rhegmatogenous Retinal detachment , compare the results using different silicon oil viscositites , and assess whether these…
- Trial name
- Endothelium (NCT07418606)
- Where
- Egypt
- Volunteers
- 40 people
- Sponsor
- Minia University
Proliferative Diabetic Retinopathy
Changes in Vitreous Temperature During Phacoemulsification
Temperature in the vitreous cavity decreases during vitrectomy, and the same effect is seen during an uneventful phaco surgery. Significant changes occur between the baseline temperature and after every step of the surgery.
- Trial name
- NCT01568242
- Testing
- Phacoemlsification
- Where
- Mexico
- Sponsor
- Asociación para Evitar la Ceguera en México
Pain, Anxiety
Decreasing REcurrent Pain and Anxiety in Medical Procedures With a Pediatric Population: a Pilot Study
Children with injuries, including burns, experience severe pain intensity during medical procedures despite the increasing doses of analgesics.
- Conditions
- Pain, Anxiety, Burns, Child
- Trial name
- DREAM-P (NCT02977923)
- Testing
- VR distraction via Oculus Rift, Standard pharmacological treatment
- Where
- Canada
- Volunteers
- 20 people
- Sponsor
- St. Justine's Hospital
Diabetic Retinopathy, Type 1 Diabetes
Effect of Omega-3 Fatty Acids on Eye Blood Vessels in Type 1 Diabetes
This double-blind, placebo-controlled randomized clinical trial evaluates the effects of omega-3 fatty acid supplementation on retinal vascular structure and function in children and adolescents with type 1 diabetes.
- Conditions
- Diabetic Retinopathy, Type 1 Diabetes, Omega 3 Fatty Acids
- Trial name
- O3RETINA (NCT07255326)
- Testing
- Omega 3 Fish Oil supplements
- Where
- Pakistan
- Volunteers
- 70 people
- Sponsor
- University of Faisalabad
Myopia, Accommodation
Dynamic Change in Accommodation After Wearing Multifocal Soft Contact Lenses for Myopia Control
The purpose of this study is to report the changes in accommodation, aberrations, and myopia in patients wearing multifocal soft contact lens for various durations. The study objectives are to: 1.
- Trial name
- NCT04763694
- Testing
- Multifocal soft contact lenses
- Where
- United States
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- State University of New York College of Optometry
Allergic Conjunctivitis
Loteprednol Ophthalmic Base Compared to Loteprednol Ophthalmic Suspension vs Placebo in an Allergen Challenge
The purpose of this study is to evaluate the efficacy of loteprednol etabonate ophthalmic base, compared to loteprednol etabonate ophthalmic suspension, and vehicle in the prevention of the signs and symptoms of allergic…
- Trial name
- NCT01107405
- Testing
- Loteprednol etabonate base (QD), Loteprednol etabonate base (BID), Loteprednol etabonate base (QID)
- Where
- United States
- Volunteers
- 101 people
- Sponsor
- Bausch & Lomb Incorporated
Antibody-mediated Rejection, NMO Spectrum Disorder
Biorepository and Registry for Plasma Exchange Patients
Patients who have immune mediated diseases commonly undergo plasma exchange (PLEX) procedures to remove pathological substances, typically believed to be antibodies.
- Conditions
- Antibody-mediated Rejection, NMO Spectrum Disorder, TTP, CIDP
- Trial name
- NCT05004493
- Where
- United States
- Volunteers
- 200 people
- Sponsor
- Charles M Knudson
Myopia, Myopia; Refractive Error
Peripheral Relative Refractive Power of Orthokeratology Lenses
Orthokeratology (OK) has been demonstrated to be an effective intervention for slowing axial elongation in children with myopia.
- Trial name
- NCT07294404
- Testing
- orthokeratology
- Where
- China
- Volunteers
- 53 people, healthy volunteers welcome
- Sponsor
- Tianjin Eye Hospital
Keratoconus, Collagen Diseases
Correlation Between Q-value Changes and Progression of Pediatric Keratoconus.
Keratoconus is a progressive corneal disease characterized by asymmetric corneal thinning and structural changes in corneal collagen which leads to decrease in visual acuity due to myopic shift, irregular astigmatism or corneal…
- Conditions
- Keratoconus, Collagen Diseases, Corneal Disease
- Trial name
- NCT05114928
- Testing
- Transepithelial Corneal Collagen Cross-linking, Scheimpflug camera
- Where
- Egypt
- Volunteers
- 9 people
- Sponsor
- Benha University
Myopia, Refractive Errors
Effect of Repeated Low-Level Red-Light Therapy on Retinal Function and Structure
The purpose of this clinical trial is to evaluate the effect of repeated low-level red-light (RLRL) therapy on the retinal function and structure among myopic teenagers.
- Conditions
- Myopia, Refractive Errors, Eye Diseases, Retina; Change
- Trial name
- NCT05597397
- Testing
- RLRL
- Where
- China
- Volunteers
- 41 people, healthy volunteers welcome
- Sponsor
- Shanghai Eye Disease Prevention and Treatment Center
Pain, Burns
Decreasing REcurrent Pain and Anxiety in Medical Procedures With a Pediatric Population: Trial
Children with burn injuries experience severe pain intensity during medical procedures despite the increasing doses of analgesics.
- Conditions
- Pain, Burns, Child, Anxiety
- Trial name
- DREAM-T (NCT02947243)
- Testing
- VR distraction via Oculus Rift, Morphine
- Where
- Canada
- Sponsor
- St. Justine's Hospital