نتایج جستجو برای: corneal biomechanic

تعداد نتایج: 28495  

Journal: :JAMA ophthalmology 2014
Uri Elbaz Robert Bains Ronald M Zuker Gregory H Borschel Asim Ali

IMPORTANCE Corneal anesthesia is recalcitrant to conventional treatment and can lead to permanent visual loss. OBJECTIVE To assess the outcomes of a novel sensory reconstructive technique for the treatment of corneal anesthesia. DESIGN, SETTING, AND PARTICIPANTS This prospective study evaluating a new technique was conducted at a tertiary referral center. Four eyes in 3 patients with cornea...

2016
Feng Gao Tao Lin Yingzhe Pan

Diabetic keratopathy is an ocular complication that occurs with diabetes. In the present study, the effect of diabetic keratopathy on corneal optical density, central corneal thickness, and corneal endothelial cell count was investigated. One hundred and eighty diabetic patients (360 eyes) were enrolled in the study during the period from March, 2012 to March, 2013. The patients were divided in...

Journal: :Pakistan Armed Forces Medical Journal 2022

Objective: To compare the corneal stromal demarcation line depth after Epithelium-On and Epithelium-Off crosslinking in patients with keratoconus using anterior segment Optical Coherence Tomography (AS-OCT).
 Study design: Quasi-experimental study.
 Place Duration of Study: Armed Forces Institute Ophthalmology, Rawalpindi Pakistan from Jun 2018 to 2019.
 Methodology: This study i...

Journal: :Archivos de la Sociedad Espanola de Oftalmologia 2007
H Sánchez-Tocino R Bringas-Calvo D Iglesias-Cortiñas

PURPOSE To study the intraocular pressure (IOP), the corneal thickness and the corneal curvature distribution in a normal population. To investigate the relation between these variables, and to determine if the IOP and the paquimetry will be modified by the refractive error and age. METHODS A population of 273 subjects, 545 eyes, without ocular pathology was selected. The refractive error, th...

Journal: :Acta Ophthalmologica 2022

Purpose: This study examines agreement between the devices Anterion® and Pentacam HR® used for corneal pupil measurements in healthy eyes. Methods: The parameters compared two were: anterior Km (D), K2 K1 axis (°), astigmatism K max posterior CCT (μm), thinnest point thickness X-coordinate (mm), Y-coordinate diameter center-corneal vertex distance (mm) (angle kappa), centroid angle (mm). Result...

Journal: :iranian journal of medical sciences 0
s.h. jahadi-hossieni organ transplant rearch center, namazee hospital shiraz university of medical sciences shiraz iran. e. kamali department of immunology school of medicine namazee hospital shiraz university of medical sciences shiraz iran m. samani department of ophthalmology & namazee hospital shiraz university of medical sciences shiraz iran a. katbab department of ophthalmology & namazee hospital shiraz university of medical sciences shiraz iran h. khoshniat department of ophthalmology & namazee hospital shiraz university of medical sciences shiraz iran h. movahhedan department of ophthalmology & namazee hospital shiraz university of medical sciences shiraz iran

background: correlations between bone marrow, heart, kidney, liver, skin and lung transplant rejection or survival with human cytokine gene polymorphisms have been described. there are also reports about the role of cytokines and tumor necrosis factors-alpha (tnf-α) on corneal transplant in animal models. further studies are needed to clarify the role of cytokines in corneal allograft rejection...

Journal: :Biomaterials Science 2021

Dasa-NLC could significantly inhibit the corneal neovascularization.

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