Clinical trials: Ophthalmic Disease
Moderate Hyperopia
Single-step Transepithelial PRK for Hyperopia
Hyperopia is one of the commonest refractive errors encountered in ophthalmology practice. Laser in situ keratomileusis (LASIK) has been widely used to correct hyperopia especially with the advent of femtosecond laser technology…
- Trial name
- NCT05261685
- Testing
- Single-step transepithelial PRK
- Where
- Egypt
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Assiut University
Dry Eye, Cataract Surgery
Use of Prophylactic Lubricating Drops After Cataract Surgery
This is a randomised controlled trial to assess the use of prophylactic lubricant eye-drops for 6 weeks following uncomplicated, routine cataract surgery to improve patient satisfaction and symptoms of dry eye, compared to…
- Conditions
- Dry Eye, Cataract Surgery, Patient Related Outcome Measures, Patient Satisfaction
- Trial name
- NCT04131335
- Testing
- AEONTM Repair, Routine post-operative eye drops used.
- Where
- United Kingdom
- Volunteers
- 168 people, healthy volunteers welcome
- Sponsor
- Guy's and St Thomas' NHS Foundation Trust
Macular Degeneration
Scotoma Reduction in AMD Patients Treated With Ranibizumab
This is a trial aimed at patients with advanced wet macular degeneration and macular scarring treated wiht intravitreal injections of Lucentis.
- Trial name
- SALVAGE (NCT00467935)
- Testing
- intravitreal injection Lucentis (ranibizumab)
- Where
- United States
- Volunteers
- 20 people
- Sponsor
- Retina Research Foundation
Blindness,Acquired
Feasibility of Stimulating the Visual Cortex in Blind
In this study, the investigators intend to evaluate the use of a commercially available neurostimulator system, NeuroPace RNS System to stimulate the visual cortex.
- Trial name
- NCT02747589
- Testing
- Surgical device implant in brain
- Where
- United States
- Volunteers
- 5 people
- Sponsor
- University of California, Los Angeles
Uveal Melanoma
A Cohort IND Expanded Access Program for Supporting Patient Access to Tebentafusp
This Expanded Access Program aims to: 1. Provide access to tebentafusp for mUM patients. 2. Provide access to tebentafusp for patients, who were on the control arm of the randomized controlled Phase II trial (IMCgp100-202) and…
- Trial name
- Non Applicable (NCT04960891)
- Testing
- Tebentafusp
- Sponsor
- Immunocore Ltd
Neuromyelitis Optica
Neuromyelitis Optica (NMO) & Cetirizine
Neuromyelitis optica (NMO) is an autoimmune disease that affects the central nervous system. Patients have relapses (also known as attacks) which are often quite severe and leave them with significant disability.
- Trial name
- NCT02865018
- Testing
- cetirizine
- Where
- United States
- Volunteers
- 16 people
- Sponsor
- Icahn School of Medicine at Mount Sinai
Emergencies, Eye Diseases
Artificial Intelligent System for Eye Emergency Triage and Primary Diagnosis
Ophthalmic emergencies are acute vision-threatening disorders, for which a delay in prompt emergency response could result in catastrophic vision loss.
- Trial name
- NCT05680090
- Testing
- Artificial intelligent system for eye emergency triage and primary diagnosis
- Where
- China
- Volunteers
- 100 people
- Sponsor
- Sun Yat-sen University
Diabetic Retinopathy, Vitreous Hemorrhage
Preoperative Bevacizumab for Vitreous Hemorrhage
The purpose of this study is to determine whether preoperative intravitreal bevacizumab is effective in reducing intra-operative and postoperative bleeding in diabetic patients submitted to pars plana vitrectomy for vitreous…
- Trial name
- IBEVI (NCT00596297)
- Testing
- bevacizumab, pars plana vitrectomy
- Where
- Brazil
- Volunteers
- 16 people
- Sponsor
- University of Sao Paulo
Eye Infections, Bacterial
Comparison of Conjunctival Antimicrobial Activity and Patient Comfort Between Topical Hypochlorous Acid (Avenova) and Betadine
The purpose of this research study is to find out how Avenova (0.01 % hypochlorous acid) works compared to Betadine (Povidone iodide) for reducing bacteria and patient discomfort in the eyes.
- Trial name
- NCT04981860
- Testing
- Betadine, Avenova
- Where
- 2 sites in United States
- Volunteers
- 230 people, healthy volunteers welcome
- Sponsor
- University of Miami
Polypoidal Choroidal Vasculopathy
Initial Versus Delayed PDT Combination With Conbercept in PCV
To compare the initial versus delayed verteporfin photodynamic therapy (PDT) in combination with conbercept in patients with symptomatic polypoidal choroidal vasculopathy (PCV).
- Trial name
- NCT02821520
- Testing
- conbercept, Initial PDT, Delayed PDT
- Where
- 3 sites in China
- Volunteers
- 80 people
- Sponsor
- The Eye Hospital of Wenzhou Medical University
Cataract Diabetic
Study of the Impact of Cataract Surgery on the Corneal Epithelium and Ocular Surface of Diabetic Patients
Diabetes is one of the most common fatal metabolic diseases in the world. Diabetes-induced ocular surface alterations are poorly understood.
- Trial name
- CATARA (NCT06638424)
- Where
- France
- Volunteers
- 150 people
- Sponsor
- University Hospital, Strasbourg, France
Dry Eye Disease (DED), Tear Break-Up Time
Efficacy of 0.28% Sodium Hyaluronate Eye Drops in Patient With Moderate to Severe Dry Eye
This study aimed to evaluate the efficacy and safety of 0.28% preservative-free SH and 0.18% SH eye drops in patients with dry eye disease.
- Conditions
- Dry Eye Disease (DED), Tear Break-Up Time, Tear Disorder, Tear Film Insufficiency
- Trial name
- NCT06860659
- Testing
- 0.28% Sodium Hyaluronate , preservative free eye drops, 0.18% Sodium Hyaluronate , preservative free eye drops
- Where
- Thailand
- Volunteers
- 84 people, healthy volunteers welcome
- Sponsor
- Department of Medical Services Ministry of Public Health of Thailand
Glaucoma, Ocular Hypertension
Safety and Efficacy Study of Bimatoprost in Ethnically Japanese Patients With Open-Angle Glaucoma or Ocular Hypertension
This study evaluates the safety and efficacy of once-daily bimatoprost 0.03% and 0.01% ophthalmic solutions compared with once-daily administered bimatoprost vehicle ophthalmic solution for 2 weeks in ethnically Japanese patients…
- Trial name
- NCT00651859
- Testing
- Bimatoprost 0.01% Ophthalmic Solution, Bimatoprost 0.03% Ophthalmic Solution, Bimatoprost Vehicle Ophthalmic Solution
- Where
- United States
- Volunteers
- 111 people
- Sponsor
- Allergan
Dry Eye, Insulin Sensitivity
Topical Insulin for Ocular Surface Interface in Dry Eye Disease
This is a parallel randomized controlled trial for the treatment of dry eye disease. The main objective is to investigate the efficacy and safety of the use of insulin eye drops in the control of moderate-severe dry eye disease.
- Trial name
- NCT06939959
- Testing
- Artificial tear, insulin human
- Where
- Pakistan
- Volunteers
- 128 people
- Sponsor
- Khyber Teaching Hospital
Refractive Errors, Low Vision
A Web-based Digital Distance Visual Acuity Test
Primary objective of this study is the development and validation of a web-based application for the examination of the distance visual acuity of normal- and low-vision patients.
- Conditions
- Refractive Errors, Low Vision, Vision Disorders
- Trial name
- DDVIT (NCT04756596)
- Testing
- DDVIT testing, ETDRS testing
- Where
- 2 sites in Greece
- Volunteers
- 300 people
- Sponsor
- Democritus University of Thrace
Dystrophy, Retinal
BEOVU in the Treatment of Dystrophy-related Macular Neovascular Degeneration
Dystrophy-Related macular neovascularization degeneration occur is a vision threatening condition.The investigators evaluate the efficacy of BEOVU intravitreal treatment.
- Trial name
- NCT04690062
- Testing
- Brolucizumab-Dbll
- Where
- United Arab Emirates
- Volunteers
- 20 people
- Sponsor
- Benha University
Glaucoma, Primary Open Angle Glaucoma
Changes in Ocular Rigidity After Trabeculectomy in Patients With POAG
It has been hypothesized that the biomechanical properties of the optic nerve head and/or sclera play a role in the development of glaucoma.
- Conditions
- Glaucoma, Primary Open Angle Glaucoma, Pseudoexfoliation Glaucoma
- Trial name
- NCT02544646
- Testing
- Changes in Ocular rigidity
- Where
- Austria
- Volunteers
- 53 people
- Sponsor
- Medical University of Vienna
Dry Eye Syndromes
Effect of Cequa Treatment on Accuracy of Pre-operative Biometry & Higher Order Aberrations in Dry Eye Patients Undergoing Cataract Surgery
The purpose of this study is to examine the effect of Cequa treatment on the accuracy of pre-operative biometry and on corneal higher-order aberrations (HOAs) in cataract patients who have signs of dry eye disease.
- Trial name
- NCT04342988
- Testing
- Cequa
- Where
- 3 sites in United States
- Volunteers
- 74 people, healthy volunteers welcome
- Sponsor
- Research Insight LLC
Primary Open Angle Glaucoma, Glaucoma
A Prospective Study on the Efficacy of Direct Selective Laser Trabeculoplasty (DSLT) in Achieving >20% Intraocular Pressure (IOP) Reduction Without Medications at 6 Months in Naive, Untreated Glaucoma Patients
Background Glaucoma is a progressive optic neuropathy characterized by elevated intraocular pressure (IOP), leading to irreversible vision loss.
- Conditions
- Primary Open Angle Glaucoma, Glaucoma, Primary Open Angle Glaucoma or Ocular Hypertension
- Trial name
- NCT07076303
- Testing
- Direct Selective Laser Trabuloplasty
- Where
- United States
- Volunteers
- 60 people
- Sponsor
- Brian Shafer
Dry Eye Disease (DED), Meibomian Gland Dysfunction (Disorder)
Effect of Oral Isotretinoin on Ocular Surface and Meibomian Glands
The aim of the study was to evaluate meibomian gland morphology using non-contact meibography and ocular surface changes in patients with acne vulgaris treated with isotretinoin as indicators of dry eye, which is known to be a…
- Conditions
- Dry Eye Disease (DED), Meibomian Gland Dysfunction (Disorder), Acne Vulgaris
- Trial name
- NCT07753811
- Testing
- isotretinoin
- Where
- Egypt
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Benha University