Clinical trials: Eye Disorders
Presbyopia, Refractive Errors
Evaluation of the Safety and Effectiveness of Aceclidine (LNZ101) and Aceclidine + Brimonidine (LNZ100) in the Treatment of Presbyopia
To evaluate the safety and effectiveness of Aceclidine/Brimonidine (LNZ101) compared with Aceclidine (LNZ100) and vehicle in the treatment of Presbyopia.
- Conditions
- Presbyopia, Refractive Errors, Eye Diseases
- Trial name
- NCT05431543
- Testing
- Aceclidine+Brimonidine combination ophthalmic solution, Aceclidine ophthalmic solution, Vehicle proprietary ophthalmic solution
- Where
- 5 sites in United States
- Volunteers
- 59 people, healthy volunteers welcome
- Sponsor
- LENZ Therapeutics, Inc
Dry Eye Disease (DED), Asthenopia
Effect of Smart Phone Reflective Light Film on Dry Eyes and Asthenopia
This study aimed to evaluate the effect of anti-reflection (AR) and circularly polarized (CP) film on video display terminal (VDT) induced dry eye and asthenopia after limited time and close distance of visual tasks under light…
- Trial name
- NCT06992635
- Testing
- using non-processing screens, using AR+CP screens
- Where
- China
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Second Affiliated Hospital, Zhejiang University, School of Medicine
Dry Eye, Neuropathic Pain
Effect of Trigeminal Nerve Stimulation on Corneal Nerves and Chronic Ocular Pain
Individuals with dry eye tend to present with ocular pain which persists despite the use of topical treatment. This could be secondary to somatosensory impairment attributable to neuropathic pain.
- Conditions
- Dry Eye, Neuropathic Pain, Eye Pain
- Trial name
- NCT04648085
- Testing
- Trigeminal Nerve Stimulation
- Where
- Mexico
- Volunteers
- 7 people, healthy volunteers welcome
- Sponsor
- Instituto de Oftalmología Fundación Conde de Valenciana
Child Development
Antibiotic Resistance and Microbiome in Children Aged 6-59 Months in Nouna, Burkina Faso
The use of antibiotics has saved millions of human lives, however consumption of antibiotics can select for antibiotic resistant organisms and may lead to changes in commensal microbiome.
- Trial name
- ARMCA (NCT03187834)
- Testing
- Azithromycin, Amoxicillin, Cotrimoxazole
- Where
- 2 sites in United States, Burkina Faso
- Volunteers
- 252 people, healthy volunteers welcome
- Sponsor
- University of California, San Francisco
Intracranial Pressure Increase, Abdominal Pain
Different Intraperitoneal Pressures on Optic Nerve Sheath Diameter in Laparoscopic Surgeries
The aim of this study is to investigate the effects of low and normal intraperitoneal pressures on intraoperative optic nerve sheath diameter in laparoscopic gyneco-oncologic surgeries.
- Conditions
- Intracranial Pressure Increase, Abdominal Pain, Head Pain
- Trial name
- NCT07155109
- Testing
- Low pressure group, Normal pressure group
- Where
- Turkey (Türkiye)
- Volunteers
- 99 people, healthy volunteers welcome
- Sponsor
- Diskapi Yildirim Beyazit Education and Research Hospital
Presbyopia
Evaluation of Soft Multifocal Lenses in Presbyopic Previous Contact Lens Wearers
To explore the wear experience in Dailies TOTAL1 Multifocal contact lenses in presbyopic adults who have previously dropped out of contact lens wear.
- Trial name
- NCT06053463
- Testing
- Daily disposable multifocal soft contact lens
- Where
- 2 sites in United States
- Volunteers
- 35 people, healthy volunteers welcome
- Sponsor
- Jennifer Fogt
Primary Open Angle Glaucoma (POAG)
Purpose of This Study is to Evaluate the Safety and Efficacy of One, Two, or Three iStents for the Reduction of Intraocular Pressure in Open-angle Glaucoma Subjects
The purpose of this study is to evaluate the safety and efficacy of the iStent medical device that is implanted into the eye and designed to reduce eye pressure in patients with your condition.
- Trial name
- NCT01252849
- Testing
- iStent
- Where
- Armenia
- Volunteers
- 119 people, healthy volunteers welcome
- Sponsor
- Glaukos Corporation
Thyroid Eye Disease, TED
Multi-modal Medical Images for Extraocular Muscle Fibrosis Assessment
The purpose of this study was to evaluate the elasticity of the extraocular muscles in different stages of thyroid eye disease and to examine the correlation of MRI parameters (native T1 value and ECV) and elasticity for the…
- Trial name
- NCT07056114
- Testing
- The patients with active or inactive TED
- Where
- China
- Volunteers
- 58 people, healthy volunteers welcome
- Sponsor
- Tianjin Eye Hospital
Dry Eye Syndrome
A Placebo Controlled Double Masked Clinical Assessment Study of Essential Fatty Acid Supplement and Its Effect on Patients With Apparent Aqueous Deficient Dry Eye Syndrome
To determine the effect of Essential Fatty Acids (EFA's) on Meibomian Gland lipids and aqueous tear production in patients with "dry eyes".
- Trial name
- NCT00344721
- Testing
- Omega-3 fatty acid supplement
- Where
- United States
- Volunteers
- 42 people, healthy volunteers welcome
- Sponsor
- University of Texas Southwestern Medical Center
Myopia
Evaluation of the Feasibility a New Silicone Hydrogel Contact Lens
The objective of this study is to determine the clinical feasibility and to evaluate the product performance of an investigational contact lens.
- Trial name
- NCT01309906
- Testing
- Investigational lens, Air Optix Aqua lens
- Where
- United States
- Volunteers
- 66 people, healthy volunteers welcome
- Sponsor
- Bausch & Lomb Incorporated
Dry Eye, Ocular Surface Disease
Croatian Version of the Ocular Surface Disease Index Questionnaire (OSDI)
Ocular Surface Disease Index (OSDI) Questionnaire is an important tool for the diagnosis of dry eye disease. Croatian version is yet not available.
- Trial name
- Cro-OSDI (NCT05938985)
- Testing
- Questionnaires and dry eye tests
- Where
- Croatia
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- University Hospital Sestre Milosrdnice
Glaucoma
Serum Citrate in Diagnosis and Follow-up for Glaucoma
Glaucoma might be a mitochondria associated disease. Since citrate is a major component in mitochondrial metabolism its determination in blood might serve as a biomarker.
- Trial name
- NCT00804063
- Testing
- drawing blood sample
- Where
- Switzerland
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- University Hospital, Basel, Switzerland
Visual Fatigue, Dry Eye
Evaluation of New Color Temperature Adjustment Mode in Preventing Dry Eye and Visual Fatigue
The purpose of this study was to investigate the effects of visual fatigue and dry eye level under different correlated color temperature modes, and to evaluate the effect of new designed dynamic color temperature change modes on…
- Trial name
- NCT07201493
- Testing
- color temperature change mode
- Where
- China
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Beijing Tongren Hospital
Scansys, Pentacam
A Study of a Novel Scheimpflug Device in Diagnosing Keratoconus
Comparison of the screening and diagnosis ability of the novel Scheimpflug-based tomography device (Scansys) with Pentacam and the Scheimpflug-based biomechanics device (Corvis ST) for keratoconus.
- Conditions
- Scansys, Pentacam, Corvis ST, Keratoconus
- Trial name
- NCT06119321
- Testing
- Pentacam, Corvis ST and Scansys
- Where
- China
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Tianjin Eye Hospital
Presbyopia, Near Vision
Comparative Study and Validation of New Methodologies for Measuring Addition
The aim of this research is to collect comprehensive data on a presbyopic population that may require near vision correction, in order to identify the most useful tests to accurately determine the value of an addition.
- Conditions
- Presbyopia, Near Vision, Refraction Error
- Trial name
- NCT06963138
- Testing
- Visual Acuity, Objective refraction, Standard Subjective refraction
- Where
- France
- Volunteers
- 54 people, healthy volunteers welcome
- Sponsor
- Essilor International
Dry Eye
Study of Blinking as a Function of Tear Film Quality
The goal of this study is to better understand how eye blinking behavior is linked to the stability of the tear film, in adults aged 18 to 65 years, with or without symptoms of dry eye.
- Trial name
- WINK (NCT07499193)
- Testing
- Blink behaviour
- Where
- France
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Essilor International
Macular Degeneration
Vision Improvement for Patients With Age-Related Macular Degeneration
This study is being conducted to assess the safety and efficacy of the VIS, LLC (VIS) Opti-K Low Vision Aid Device and treatment to provide vision improvement to patients with age-related macular degeneration.
- Trial name
- NCT06198452
- Testing
- Vision Improvement
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- VIS, Inc.
Open Angle Glaucoma, Ocular Hypertension
PSLT Compared to Prostaglandin Analogue Eye Drops
This study aims to compare the efficacy of PSLT and the topical use of prostaglandin-like hypotensive eye drops in the treatment of ocular hypertensive or glaucomatous patients in decreasing intraocular pressure and measuring…
- Trial name
- NCT05241938
- Testing
- PSLT, Prostaglandin analogue eye drops
- Where
- Brazil
- Volunteers
- 75 people, healthy volunteers welcome
- Sponsor
- Federal University of Rio Grande do Sul
Keratoconus
Assessment of Corneal Stiffness in Keratoconus After Crosslinking by Corvis ST and OCT.
Objectives: Measurement of corneal stiffness parameters { Deformation Amlitude (DAR1), Integrated radius, Stress parameter (SP A1), Stress strain index (SSI) and Corvis biomechanical index (CBI) } in keratoconic corneas before…
- Trial name
- NCT05161052
- Testing
- Corvis ST (dynamic Scheimpflug technology)
- Volunteers
- 55 people, healthy volunteers welcome
- Sponsor
- Cairo University
Glaucoma, Diagnostic Self-evaluation
Development and Evaluation of a Self-administered/Assisted Visual Field Screening Tool for Glaucoma
This project aims to evaluate a self-administered screening test for glaucoma, the second largest cause of blindness in the western world.
- Trial name
- NCT02162043
- Where
- United Kingdom
- Volunteers
- 168 people, healthy volunteers welcome
- Sponsor
- University of Manchester
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