نتایج جستجو برای: corneal endothelial cell loss

تعداد نتایج: 2139443  

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.

2014
José L. Güell Mostafa A. El Husseiny Felicidad Manero Oscar Gris Dani Elies

The cornea remains in a state of deturgescence, maintained by endothelial cell Na+/K+ ATPase and by tight junctions between endothelial cells that limit entrance of fluid into the stroma. Fuchs' endothelial corneal dystrophy (FECD) was initially described by Fuchs in 1910 as a combination of epithelial and stromal edema in older patients. It manifests as bilateral, albeit asymmetric, central co...

2015
Masahito Yoshihara Hiroko Ohmiya Susumu Hara Satoshi Kawasaki Yoshihide Hayashizaki Masayoshi Itoh Hideya Kawaji Motokazu Tsujikawa Kohji Nishida

The corneal endothelium is a monolayer of hexagonal corneal endothelial cells (CECs) on the inner surface of the cornea. CECs are critical in maintaining corneal transparency through their barrier and pump functions. CECs in vivo have a limited capacity in proliferation, and loss of a significant number of CECs results in corneal edema called bullous keratopathy which can lead to severe visual ...

Journal: :Investigative ophthalmology & visual science 2003
Ilse Claerhout Hilde Beele Dirk De Bacquer Philippe Kestelyn

PURPOSE Corneal allograft rejection is one of the major causes of transplant failure. The purpose of the current study was to examine the decline in endothelial cell density (ECD) in patients experiencing allograft rejection, by comparing this decline with the normal evolution in patients who undergo penetrating keratoplasty (PKP) and to identify possible factors predictive of this endothelial ...

2015
Hyung Bin Hwang Byul Lyu Hye Bin Yim Na Young Lee

Purpose. To compare the loss of corneal endothelial cells after phacoemulsification according to different anterior chamber depths (ACDs). Methods. We conducted a prospective study on 135 eyes with senile cataracts. Eyes with nuclear density grades of 2 to 4 were divided into three groups according to ACD: ACD I, 1.5 < ACD ≤ 2.5 mm; ACD II, 2.5 < ACD ≤ 3.5 mm; or ACD III, 3.5 < ACD ≤ 4.5 mm. In...

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: :Romanian journal of ophthalmology 2016
László Jr Módis Eszter Szalai Zsuzsa Flaskó Gábor Németh

PURPOSE To study the endothelial cell morphology and corneal thickness changes after phacoemulsification by using the OZil torsional and longitudinal ultrasound techniques (Infiniti Vision System, Alcon Laboratories). SETTING Department of Ophthalmology, Clinical Center, University of Debrecen, Debrecen, Hungary. METHODS 52 patients with cataract were randomly assigned to longitudinal ultra...

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