نتایج جستجو برای: corneal endothelial cell

تعداد نتایج: 1780581  

Journal: :American journal of biomedical science & research 2021

Aim: This study focused on exploring the effects of refractive error and its association with various corneal parameters such as curvature (CC), thickness (CT), endothelial cell density (ECD), volume (CV) among young adults in Saudi Arabia.

2013
Giulia Chan

The major cause of corneal opacity and resultant visual loss is a critical decrease in corneal endothelial cell density. Due to the fact that corneal endothelial cells do not generally proliferate, cell densities gradually decrease in the corneal endothelium with age. Before we can begin to aid patients with decreasing endothelial cell densities, by inhibiting cell death or stimulating cell pro...

Journal: :بینا 0
مژگان رضایی کنوی m rezaei kanavi ophthalmic research center, shahid beheshti university of medical sciences, tehran, iranدانشگاه علوم پزشکی شهید بهشتی محمدعلی جوادی ma javadi ophthalmic research center, shahid beheshti university of medical sciences, tehran, iranدانشگاه علوم پزشکی شهید بهشتی پژمان فهیم p faheem central eye bank of iranبانک چشم جمهوری اسلامی ایران طاهره چمنی t chamani central eye bank of iranبانک چشم جمهوری اسلامی ایران فاطمه موحدپور f movahedpoor central eye bank of iranبانک چشم جمهوری اسلامی ایران

purpose: to evaluate the adverse effects of intravitreal injection of sterile chloramphenicol eye drops on corneal endothelial cells of donated corneas. methods: 100 donor corneas were enrolled in the study. one eye of each donor underwent intravitreal injection of sterile chloramphenicol eye drops following vitreous tap and the fellow eyes were served as controls. after corneo-scleral excision...

Journal: :journal of current ophthalmology 0
محمدناصر هاشمیان mohammad nasser hashemian فیروزه رحیمی firoozeh rahimi مرجان اکبری کامرانی marjan akbari-kamrani

purpose : to report an unusual presentation of chandler syndrome case report : a 22-year-old female came to our clinic with complaint of progressive visual loss in her left eye since three days ago. she had a history of trauma with finger-nail to her left eye eight days ago and had been managed with topical antibiotic. in her examination, the left eye had visual acuity (va) of counting finger a...

2013
Juliane Teichmann Monika Valtink Mirko Nitschke Stefan Gramm Richard H.W. Funk Katrin Engelmann Carsten Werner

Functional impairment of the human corneal endothelium can lead to corneal blindness. In order to meet the high demand for transplants with an appropriate human corneal endothelial cell density as a prerequisite for corneal function, several tissue engineering techniques have been developed to generate transplantable endothelial cell sheets. These approaches range from the use of natural membra...

2015
Kathryn L. McCabe Noelia J. Kunzevitzky Brian P. Chiswell Xin Xia Jeffrey L. Goldberg Robert Lanza Irina Kerkis

AIM To generate human embryonic stem cell derived corneal endothelial cells (hESC-CECs) for transplantation in patients with corneal endothelial dystrophies. MATERIALS AND METHODS Feeder-free hESC-CECs were generated by a directed differentiation protocol. hESC-CECs were characterized by morphology, expression of corneal endothelial markers, and microarray analysis of gene expression. RESUL...

Journal: :The British journal of ophthalmology 2001
A C Ventura R Wälti M Böhnke

BACKGROUND/AIMS Deturgescence of the corneal stroma is controlled by the pumping action of the endothelial layer and can be monitored by measurement of central corneal thickness (pachymetry). Loss or damage of endothelial cells leads to an increase in corneal thickness, which may ultimately induce corneal decompensation and loss of vision. Little is known about the effect of moderate reductions...

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