Clinical trials: Eye Disorders
Open Angle Glaucoma, Low Tension Glaucoma
Validation of Retinal Oximetry in Glaucoma Patients: a Structural and Functional Correlation
Retinal ischemia is thought to play an important role in the pathogenesis of glaucoma. Up until today, very little is known about the metabolic alterations in the retina of glaucoma patients, since only techniques for surrogate…
- Trial name
- NCT01391247
- Where
- Belgium
- Volunteers
- 59 people, healthy volunteers welcome
- Sponsor
- Universitaire Ziekenhuizen KU Leuven
Glaucoma, Open-Angle, Glaucoma Secondary
Assessment of Effectiveness Ex-Press Surgery Modification
The purpose of the study is to compare the effectiveness and safety profile of ExPress implantation versus partial deep sclerectomy combined with ExPress implantation with simultaneously phacoemulsification.
- Conditions
- Glaucoma, Open-Angle, Glaucoma Secondary, Glaucoma, Primary Open Angle
- Trial name
- NCT03800589
- Testing
- phacoemulsification with implantation of the Ex-Press, deep sclerectomy, phacoemulsification, ExPress implantation
- Volunteers
- 186 people, healthy volunteers welcome
- Sponsor
- Military Institute od Medicine National Research Institute
Glaucoma
Optical Coherence Tomography (OCT) Data Collection Study
Collect OCT data to evaluate the range and age trend of ocular measurements.
- Trial name
- NCT01641835
- Where
- Canada
- Volunteers
- 303 people, healthy volunteers welcome
- Sponsor
- Heidelberg Engineering GmbH
Presbyopia
Performance of a Multifocal Contact Lens - Presbyopia Study
This is a four week study to evaluate the performance of a multifocal contact lens in habitual wearers of silicone hydrogel multifocal contact lenses.
- Trial name
- NCT02450747
- Testing
- etafilcon A MULTIFOCAL
- Where
- Canada
- Volunteers
- 44 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Myopia, Strabismus
Evaluation of a County-Based Eye Health Service Model in Rural Chinese Children
This project proposes to conduct a prospective, multicenter registry study in rural China to evaluate, under real-world conditions, the implementation effectiveness of an integrated child eye health service model centered at the…
- Conditions
- Myopia, Strabismus, Eye Health
- Trial name
- NCT07547748
- Testing
- School-based Eye Health Screening
- Where
- China
- Volunteers
- 20,000 people, healthy volunteers welcome
- Sponsor
- Zhongshan Ophthalmic Center, Sun Yat-sen University
Recurrent Pterygia
Amniotic Membrane Associated With Conjunctival Autograft Versus Conjunctival Autograft for Recurrent Pterygia
The purpose of this study is to compare amniotic membrane associated with conjunctival autograft versus conjunctival autograft alone in the treatment of recurrent pterygia.
- Trial name
- NCT00802620
- Testing
- Conjunctival autograft versus conjunctival autograft treatment for recurrent pterygia
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Federal University of São Paulo
Uveitis
Acute and Chronic Inflammatory Disease, Lifestyle and Treatment Response
Acute and chronic inflammatory eye diseases are difficult to diagnose and maintain quiescent with therapy. Proposed study is aimed to find on the one hand, novel factors for recurrence of the disease or remission of inflammation…
- Trial name
- ACID LTR (NCT04193020)
- Testing
- Surveillance card
- Where
- Poland
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- Wroclaw Medical University
Myopia, Progressive
Stellest Lens Wear in Adult Progressing Myopes
It is expected that myopia progression stabilises in the late teenage years, however, some studies report that myopia progression continues through early adulthood in as many as one third of myopes.
- Trial name
- SWAP (NCT06520124)
- Testing
- Essilor® Stellest® spectacle lens, Single-vision spectacle lens
- Where
- United Kingdom
- Volunteers
- 42 people, healthy volunteers welcome
- Sponsor
- University of Ulster
Primary Open-angle Glaucoma (POAG)
Role of Peripheral Vision in Scene Perception (PERISCE)
Despite its low spatial resolution, peripheral vision is very useful for rapidly categorizing a visual scene. Low spatial frequencies of a visual stimulus available in peripheral vision would allow a coarse categorization of the…
- Trial name
- PERISCE (NCT05539508)
- Testing
- Psychophysical evaluation
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- University Hospital, Grenoble
Ophthalmology, Large Language Models
A Multimodal AI Agent for Ophthalmic Clinical Decision Support
This study is a multicenter randomized controlled trial evaluating the effectiveness and safety of EyeAgent, a multimodal artificial intelligence (AI) agent designed to assist ophthalmologists in clinical decision-making.
- Conditions
- Ophthalmology, Large Language Models, AI Agent, Eye Disease
- Trial name
- NCT07401459
- Testing
- EyeAgent AI system
- Where
- China
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- The Hong Kong Polytechnic University
Sleep
Citizen Science: The People's Trial: A Randomised Controlled Trial
The People's trial is an online pragmatic, randomised controlled trial to determine if reading a book in bed makes a difference to sleep in comparison to not reading a book in bed.
- Trial name
- NCT04185818
- Testing
- Reading a book
- Where
- Ireland
- Volunteers
- 500 people, healthy volunteers welcome
- Sponsor
- National University of Ireland, Galway, Ireland
Pterygium, Subconjunctival Hemorrhage
Brimonidine Tartrate for Pterygium Surgery
Pterygium excision and conjunctival autograft surgery is commonly done to treat pterygiums. Excessive bleeding during the procedure creates a challenging operating field, prolongs surgery time, and prolongs healing.
- Trial name
- NCT04683159
- Testing
- Brimonidine Tartrate 0.15% Oph Soln, Brimonidine Tartrate 0.025% Oph Soln
- Volunteers
- 66 people, healthy volunteers welcome
- Sponsor
- Uptown Eye Specialists
Blindness and Low Vision
Blueberry Effects on Dark Vision and Glare Recovery
Clinical evidence for effects of plant anthocyanins on vision, and particularly night vision is controversial. Two clinical trials were conducted to investigate whether blueberry juice consumption affected visual dark adaptation…
- Trial name
- NCT01942746
- Testing
- Blueberry Juice S2, Blueberry Capsules S2, Blueberry Juice L1
- Where
- Canada
- Volunteers
- 72 people, healthy volunteers welcome
- Sponsor
- Atlantic Food and Horticulture Research Center
Age-related Macular Degeneration, Coronary Artery Disease
Ranibizumab and the Risk of Arterial Thromboembolic Events
The investigators assume that ranibizumab might be dangerous in patients with history of coronary artery disease or cerebrovascular events.
- Conditions
- Age-related Macular Degeneration, Coronary Artery Disease, Cerebrovascular Disorders
- Trial name
- RATE (NCT01319188)
- Testing
- 0.5 mg of ranibizumab, 0.5 mg of ranibizumab + photodynamic therapy
- Where
- 2 sites in Netherlands, Russia
- Volunteers
- 380 people, healthy volunteers welcome
- Sponsor
- Ural State Medical University
Glaucoma, Malignant Glaucoma
Study on Intraocular Structural Parameters and Surgical Effect Before and After the Onset of Malignant Glaucoma
In this retrospective observational study, we collected intraocular structure parameters of malignant glaucoma and primary angle closure glaucoma.
- Trial name
- MG (NCT04220879)
- Where
- China
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Zhongshan Ophthalmic Center, Sun Yat-sen University
Glaucoma
Automatic Evaluation of the Anterior Chamber Angle Width by a New Non-contact Optical Device
The aim of the study is to evaluate an objective, non-invasive optical device able to quantify, without eye contact, the width of the irido-corneal angle and to better identify cases of narrow angle or angle closure that may be…
- Trial name
- NCT06278597
- Testing
- NACA Estimator
- Where
- Italy
- Volunteers
- 64 people, healthy volunteers welcome
- Sponsor
- Fondazione G.B. Bietti, IRCCS
Glaucoma
Short Term Comparative Study of Xalatan With Benzalkonium Chloride vs. Travatan Z Without Benzalkonium Chloride in Healthy Volunteers
Compare the effect of Xalatan with benzalkonium chloride on the ocular surface to those effects observed with Travatan Z without benzalkonium chloride after a single dose
- Trial name
- NCT00468988
- Testing
- Travatan® Z, Xalatan®
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Alcon Research
Age Related Cognitive Decline, Age Related Macular Degeneration
Walnuts and Healthy Aging
This will be a systematic investigation of the role of walnuts in preventing or slowing age related cognitive decline and age related macular degeneration.
- Trial name
- WAHA (NCT01634841)
- Testing
- Walnuts, habitual diet
- Where
- 2 sites in United States, Spain
- Volunteers
- 708 people, healthy volunteers welcome
- Sponsor
- Loma Linda University
Primary Open Angle Glaucoma, Secondary Open Angle Glaucoma Due to PEX
Contrast Sensitivity in Glaucoma
The primary aim of the Erlangen´s Glaucoma Contrast Sensitivity-Study (EGCS-Study) is the evaluation of the diagnostic and prognostic validity of a diagnostic procedure, measuring contrast sensitivity.
- Trial name
- NCT00947869
- Where
- Germany
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University of Erlangen-Nürnberg
Cataracts
A Comparison of Prostaglandin E2 (PGE2) Inhibition of Acuvail(Ketorolac 0.45%), Xibrom (Bromfenac 0.09%)and Nevanac (Nepafenac)in Patients Undergoing Phacoemulsification
Approximately 126 subjects scheduled to undergo cataract surgery by phacoemulsification, will be randomized in an even allocation (1:1:1) to either Acuvail, Xibrom or Nevanac.
- Trial name
- NCT01021761
- Testing
- Ketorolac Tromethamine, Bromfenac, nepafenac
- Volunteers
- 126 people, healthy volunteers welcome
- Sponsor
- Frank A. Bucci, Jr., M.D.
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