نتایج جستجو برای: corneal visco
تعداد نتایج: 30157 فیلتر نتایج به سال:
An analysis of radiation and soret effect on visco-elastic mhd oscillatory flow with heat and mass transfer through a porous medium bounded by two infinite horizontal parallel porous plates in presence of chemical reaction and a heat source has been presented when one plate is kept at rest while the other is oscillating in its own plane. The fluid is considered to be non-Newtonian characterized...
This work presents a continuous model for three early stage events in angiogenesis: initiation, sprout extension, and vessel maturation. We carefully examine the regulating mechanisms of vascular endothelial growth factor (VEGF) and angiopoietins (Ang1 and Ang2) on the proliferation, migration and maturation of endothelial cells through their endothelium-specific receptor tyrosine kinase VEGFR2...
| In this paper, we describe models and algorithms designed to produce eecient and physically consistent dynamic simulations. These models and algorithms have been implemented in a unique framework, modeling both deformations and contacts through visco-elastic relations. Since this model of interaction (known as \penalty based") is much debated, we present it in detail. Indeed, the \penalty" ba...
purpose: to evaluate the correlation between corneal power and corneal horizontal white to white diameter in myopic patients scheduled for lasik surgery. methods: overall, in 840 eyes of 420 myopic subjects scheduled for lasik, horizontal white to white diameter and mean corneal power were obtained using orbscan ii. pearson correlation test and regression analysis were used to detect any correl...
purpose : to evaluate the effects of topical sesame oil in the treatment of severe corneal alkali injury in rabbits methods : in a double-blind experiment, 30 healthy white rabbits were randomized into a sesame oil treatment group (n=15) and a control group (n=15). under general anesthesia, severe corneal alkali injuries were induced by application of 1 n sodium hydroxide for 40 seconds to the ...
purpose: to present two patients with acute corneal hydrops, superimposed with infectious keratitis using topical steroids. patients and findings: the first case was a 44-year-old man with acute corneal hydrops in his left eye which was on topical steroids for one week. visual acuity was hand motion at presentation and there was a large epithelial defect with stromal infiltration and corneal ed...
In this work, nonlocal vibration of double of carbon nanotubes (CNTs) system conveying fluid coupled by visco-Pasternak medium is carried out based on nonlocal elasticity theory where CNTs are placed in uniform temperature change and magnetic field. Considering Euler-Bernoulli beam (EBB) model and Knudsen number, the governing equations of motion are discretized and Ritz method is applied to ob...
Purpose: To report the clinical presentation, histopathologic findings, and surgical treatment in a series of cases with primary corneal keloid. Case Reports: Six Iranian patients (a father and two sons, a mother and her daughter, and one isolated male patient) without any history of corneal trauma or systemic diseases were clinically and histologically evaluated for a slowly-growing, white opa...
ABSTRACT This study is done to examin the role of smears, cultures, and sntibiotic sensitivity testing in the treatment of infectious keratitis. A prospective study was performed for 100 patients in Rasool Akram hospital ophthalmology department. After routine examination by slit lamp, evaluation of corneal epithlium, stromal edema and infiltration, AC reaction or hypopyon, all underwe...
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