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Cornea clinical trials

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NCT ID: NCT06353776 Completed - Cornea Clinical Trials

MicroPulse Transscleral Laser Therapy and Its Short-term Impact on Ocular Surface

Start date: May 3, 2023
Phase: N/A
Study type: Interventional

MicroPulse transscleral laser therapy (TLT) is proven to be effective in reducing intraocular pressure with minimal complications in either primary or secondary glaucoma. However, its impact on the human ocular surface remains unexplored. This study aims to bridge this gap by examining the clinical and histopathological effects of MicroPulse TLT on the ocular surface.

NCT ID: NCT06277349 Completed - Cataract Clinical Trials

Multifocal-toric IOL Compared to Multifocal IOL Combined With Limbal Relaxing Incisions for Correction of Moderate Astigmatism During Cataract Surgery

Start date: March 4, 2009
Phase: N/A
Study type: Interventional

The purpose of the present study is to compare the outcome of multifocal toric intraocular lens with standard multifocal lens plus incisional surgery in patients undergoing bilateral cataract surgery.

NCT ID: NCT06220578 Completed - Cornea Clinical Trials

Analysis of Topographic Corneal Parameters

Start date: January 1, 2023
Phase:
Study type: Observational

The Pentacam HR system (OCULUS) has been suggested to be one of the most sensitive instruments for corneal examination before corneal refractive surgery

NCT ID: NCT05745220 Completed - Cornea Clinical Trials

Influence of Silicone Hydrogel Contact Lens Neophyte Wear on Corneal Sensitivity

CSCL
Start date: April 8, 2023
Phase: N/A
Study type: Interventional

Soft contact lenses can affect the ocular surface and sometimes cause intolerance. The aim of this study is to measure corneal sensitivity using the Swiss Liquid Jet aesthesiometer at baseline, after one and after six weeks, in novice daily contact lens wearers.

NCT ID: NCT05298917 Completed - Cornea Clinical Trials

Influence of Silicone Hydrogel Extended Contact Lens Wear on Corneal Sensitivity

Start date: April 1, 2022
Phase: N/A
Study type: Interventional

Soft contact lens wear reduces the amount of oxygen reaching the eye, which may have an influence on corneal sensitivity. The aim of this study is to measure corneal sensitivity with means of liquid jet esthesiometry at baseline and after 6 days of continuous, extended contact lens wear.

NCT ID: NCT04899258 Completed - Cornea Clinical Trials

Evaluation of the Effect of Myopic Femtosecond Laser Assisted-LASIK on Anterior Chamber Flare Values and Corneal Endothelial Cells: A Prospective Before-and-After Study

Start date: December 12, 2019
Phase: N/A
Study type: Interventional

This study aimed to investigate whether femtosecond laser-assisted LASIK (FS-LASIK) surgery causes inflammation in the anterior chamber and to analyze its effect on endothelial cells.

NCT ID: NCT04804592 Completed - Cornea Clinical Trials

Investigation in Corneal Sensation and Contact Lens Wear

Start date: May 1, 2021
Phase: N/A
Study type: Interventional

The aim is to find out more about how corneal sensory fibres react to different types of stimuli (liquid / tactile / nylon thread) and how this can be consciously perceived by the individual. Is it possible to generate a stimulus that delivers a repeatable and reliable response within a useful stimulus force range which allows an interpretation / evaluation of normal / expected activity of superficial nerve fibres in the cornea? The study group will be divided into three groups of individuals: two groups with different types of contact lenses (CL) and one without CL, as sensitivity changes are thought to occur with CL wear. A very interesting research question is to find out, if such sensitivity differences can be detected with the nature of the stimuli applied in this study.

NCT ID: NCT04560790 Completed - Cornea Clinical Trials

Safety and Efficacy of CRISPR/Cas9 mRNA Instantaneous Gene Editing Therapy to Treat Refractory Viral Keratitis

Start date: November 4, 2020
Phase: N/A
Study type: Interventional

The purpose of this study is to evaluate the safety, tolerability and efficacy of a single escalating doses of BD111 CRISPR/Cas9 mRNA Instantaneous Gene Editing Therapy administered via corneal injection in participants with refractory herpetic viral keratitis.

NCT ID: NCT03906513 Completed - Cornea Clinical Trials

Evaluation of the Efficacy of OMK2 in Recovering Corneal Neural Damage in Patients With Diabetes

Start date: May 3, 2017
Phase: N/A
Study type: Interventional

This will be a single-centre, randomized, pilot study. 30 patients with diabetes who previously had received Argon laser photocoagulation will be enrolled.

NCT ID: NCT03655743 Completed - Refractive Errors Clinical Trials

PRO Measure for Refractive Surgery IRAS Project Number 246072

Start date: August 31, 2018
Phase:
Study type: Observational [Patient Registry]

The development and validation of a concise, practical, on-line, self-administered, self-archiving, and self-scoring PRO questionnaire for routine clinical use in refractive surgery is the primary study objective. Secondary objectives are to gather outcome data from patients before and after surgery in each of the following domains comprising key elements of vision related quality of life: spectacle dependence; quality of vision; eye comfort; freedom; emotional well-being; and overall satisfaction with the results of surgery. Patients undergoing refractive surgery at Moorfields Private Outpatient Clinic will be enrolled in the study in the validation phase.