Clinical trials: Eye
Dry Eye, Dry Eye Syndromes
Assessment of Tear Production, Corneal Staining, and Comfort Level Wearing Different Types of Contact Lenses
This research assesses the tear performance of five distinct types of soft contact lenses commonly found in the market. The study involves contact lens participants, all of whom are students enrolled at UKM.
- Conditions
- Dry Eye, Dry Eye Syndromes, Contact Lens-induced Corneal Fluorescein Staining
- Trial name
- NCT06351410
- Testing
- Eye Wearing Contact Lens
- Where
- Malaysia
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- National University of Malaysia
Retinal Disease, Glaucoma
Optos P200TE Agreement and Precision Study
This study is a prospective comparative, randomized, single center study to assess agreement and precision of the Optos P200TE in comparison to the predicate device in normal subjects, subjects with glaucoma, and subjects with…
- Trial name
- NCT03868462
- Testing
- Optos P200TE, Predicate Device
- Where
- United States
- Volunteers
- 137 people, healthy volunteers welcome
- Sponsor
- Optos, PLC
Healthy Volunteers
Safety and Tolerability of NTX-101 in Korean Healthy Volunteers
A double-blinded, placebo controlled, multiple dose, randomized, single site, phase 1 clinical trial to evaluate safety, tolerability, and pharmacokinetics of NTX-101 topical eye drop in Korean healthy volunteers
- Trial name
- NCT05041543
- Testing
- NTX-101
- Where
- South Korea
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- Pinotbio, Inc.
Refractive Error, Cataract
Improving Vision and Quality of Life in the Nursing Home
The primary purpose of this study is to evaluate whether interventions to improve vision in nursing home residents have an impact on residents' health-related quality of life.
- Trial name
- NCT00347620
- Testing
- spectacles, Cataract Surgery
- Where
- 17 sites in United States
- Volunteers
- 400 people, healthy volunteers welcome
- Sponsor
- University of Alabama at Birmingham
Glaucoma
Safety of Topical Insulin Drops for Open-angle Glaucoma
Glaucoma, a leading cause of irreversible blindness worldwide, is characterized by a permanent loss of retinal ganglion cells (RGCs), a group of central nervous system (CNS) neurons that convey visual information from the retina…
- Trial name
- NCT04118920
- Testing
- Topical insulin (4 units), Topical insulin (20 units), Artificial tears
- Where
- Canada
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- Centre hospitalier de l'Université de Montréal (CHUM)
Refractive Errors
Effect of Colour Temperature of Reading Lamp on Refractive Error Development
This is a 12-month longitudinal randomized controlled trial aiming to evaluate the effect of colour temperature of reading lamp on refractive error development.
- Trial name
- NCT05733182
- Testing
- 3000K Reading lamp, 4500K Reading lamp, 6500K Reading lamp
- Where
- Hong Kong
- Volunteers
- 798 people, healthy volunteers welcome
- Sponsor
- The Hong Kong Polytechnic University
Retinal Edema
Suprachoroidal Injection of Triamcinolone Acetonide in Resistant Diabetic Macular Edema, CRVO, Pseudophakic Cystoid Macular Edema and Diabetic Macular Edema Following Pars Plana Vitrectomy
Prospective interventional study on 60 eyes of resistant diabetic macular edema and central retinal vein occlusion that will receive suprachoroidal injection of Triamcinolone Acetonide (SCTA).
- Trial name
- Resistant (NCT04690608)
- Testing
- Triamcinolone Acetonide 40Mg/Ml Inj,Susp_#1
- Where
- Egypt
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Tanta University
Depression, Couples (Persons)
Social Interaction and Compassion in Depression
The purpose of this study is to determine how a CBCT® (Cognitively Based Compassion-Training) for couples affect aspects of health and especially social interactions in depressed female patients and their romantic partners.
- Trial name
- SIDE (NCT03080025)
- Testing
- CBCT® (Cognitively Based Compassion-Training)
- Where
- Germany
- Volunteers
- 140 people, healthy volunteers welcome
- Sponsor
- Heidelberg University
ONSD in Laparoscopic Surgery
"Optic Nerve Sheath Diameter; Low vs. Conventional Insufflation Pressures''
Objective: This study investigates the impact of carbon dioxide (CO2) pneumoperitoneum on optic nerve sheath diameter (ONSD) and intracranial pressure (ICP) in patients undergoing total laparoscopic hysterectomy.
- Trial name
- NCT06650475
- Testing
- Using low or standart pressure
- Where
- 2 sites in Turkey (Türkiye)
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Konya City Hospital
Epiphora
Placement of Three Interrupted Sutures After Triangular Three-snip Punctoplasty
a prospective randomized study conducted upon 40 eyes of 24 patients with lower punctual stenosis (grade 1 or 2 according to Kashkouli scale) attending at Menoufia University hospitals and Kafr Elsheikh ophthalmic eye center.
- Trial name
- NCT04680078
- Testing
- Placement of three interrupted sutures after Triangular Three-snip Punctoplasty of the lower punctum, Conventional Triangular Three-snip Punctoplasty of the lower punctum
- Where
- Egypt
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Menoufia University
Venous Retinal Branch Occlusion, Central Retinal Vein Occlusion
Impact of Lucentis on Psychological Morbidity in Patients With Retinal Vein Occlusion
This is a prospective, single-center, non-randomized clinical study on the impact of intravitreally administered ranibizumab (Lucentis) treatment on vision-related functioning and emotional well-being in subjects with central or…
- Conditions
- Venous Retinal Branch Occlusion, Central Retinal Vein Occlusion, Retinal Vein Occlusion, Depression
- Trial name
- NCT01011374
- Testing
- ranibizumab (Lucentis)
- Where
- United States
- Volunteers
- 45 people, healthy volunteers welcome
- Sponsor
- Retina Associates of Cleveland, Inc
Hyperopic Astigmatism
Effect of WRAD Lens on Axial Growth and Refraction in Low-hyperopic Chinese Children
Myopia is one of the most common visual impairments worldwide.This not only poses long-term risks to individual health but also imposes significant medical and economic burdens on society.
- Trial name
- NCT07682974
- Testing
- With-the-Rule Astigmatic Defocus Lens, With-the-Rule Astigmatic Defocus Lens (Non-plano), Single Vision
- Volunteers
- 117 people, healthy volunteers welcome
- Sponsor
- He Eye Hospital
Optic Nerve Sheath Diameter
The Effects of Lateral 45° Downward Position on the Optic Nerve Sheath Diameter
Trendelenburg position and carbon dioxide (CO2) pneumoperitoneum are in association with increased intracranial pressure (ICP) reflected by the optic nerve sheath diameter (ONSD).
- Trial name
- NCT05185908
- Testing
- Measurement of the optic nerve sheath diameter by ultrasound-guidance.
- Volunteers
- 26 people, healthy volunteers welcome
- Sponsor
- Istanbul University
Visual Acuity
Clinical Investigation of Visual Acuity in Contact Lens Wearers After Instillation of a Lipid- Based Lubricating Eye Drop
This is a single visit, randomized, double masked, bilateral, non-dispensing, 2×2 crossover study to assess visual acuity.
- Trial name
- NCT06131476
- Testing
- Blink® Tears eye drops, Investigational lipid eye drops
- Where
- 2 sites in United States
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Myopia
Silicone Hydrogel Soft Contact Lens 7-Day Extended Wear Basis
The objective of this study is to evaluate the safety and effectiveness of the Bausch + Lomb samfilcon A soft (hydrophilic) contact lens, a new silicone hydrogel contact lens, compared to the Bausch + Lomb PureVision® soft…
- Trial name
- NCT02939950
- Testing
- Bausch + Lomb Samfilcon A Soft Contact Lens, Bausch + Lomb Pure Vision Soft Contact Lens
- Where
- United States
- Volunteers
- 816 people, healthy volunteers welcome
- Sponsor
- Bausch Health Americas, Inc.
Periodontitis, Dry Eye Disease (DED)
Association Between Periodontitis and Dry Eye Disease: A Cross-Sectional Study
This study is aiming at exploring the association between periodontitis and dry eye disease, which are both chronic inflammatory diseases that might have common pathogenic mechanisms.
- Trial name
- NCT07873697
- Where
- Iraq
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- University of Sulaimani
Normal Tension Glaucoma
Systemic Glutathione Level in Normal Tension Glaucoma
The purpose of this study is to evaluate whether systemic glutathione level is decreased in patients with normal tension glaucoma.
- Trial name
- NCT00570362
- Where
- South Korea
- Volunteers
- 49 people, healthy volunteers welcome
- Sponsor
- The Catholic University of Korea
Seasonal Allergic Rhinitis
Intranasal Steroids and the Nasal Ocular Response
Eye symptoms of tearing, redness and itch frequently occur in patients with allergic rhinitis or hayfever. The purpose of this study is to learn whether placing allergen (the substance that causes allergies) in the nose several…
- Trial name
- NCT00473915
- Testing
- fluticasone furoate
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- University of Chicago
Traumatic Brain Injury
Brain Injury Assessment Study at Hennepin County Medical Center
The goals of this study are to develop an objective, multi-modal classification scheme and outcome measures for traumatic brain injury based on several measures: (1) blood-based biomarkers (indicates which cell types are…
- Trial name
- BASH (NCT02706574)
- Volunteers
- 774 people, healthy volunteers welcome
- Sponsor
- CentraCare
Dry Eye
The Effect of Xiidra on Comfort and Dryness in Symptomatic Contact Lens Wearers
The purpose of this study to evaluate changes in comfort and dryness in symptomatic contact lens (CL) wearers after using Xiidra (lifitegrast 5.0% ophthalmic solution) for 12 weeks.
- Trial name
- COLLIE (NCT04297618)
- Testing
- Xiidra
- Where
- Canada
- Volunteers
- 45 people, healthy volunteers welcome
- Sponsor
- University of Waterloo
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