نتایج جستجو برای: corneal volume

تعداد نتایج: 342790  

Journal: :Arquivos Brasileiros De Oftalmologia 2021

ABSTRACT Purpose: To evaluate the corneal and anterior chamber morphology in phakic eyes with noninfectious intraocular inflammation. Methods: This study included 59 active uveitis, 62 inactive 95 healthy eyes. Corneal endothelial cell density, hexagonal ratio, coefficient of variation (CV), thickness volume, maximum keratometry, volume depth (ACD) measurements were performed using a specular m...

Journal: :Investigative ophthalmology & visual science 1989
A Sharma W H Coles

We use a population balance model to study the mechanism and the rate of centripetal migration of epithelial cells, renewal of the corneal epithelial population by the cell derived from (progeny of) the limbal stem cells and the kinetics of the replacement of the donor corneal epithelium. The epithelial mass is constant under the normal circumstances and therefore the rate of cellular entry due...

دامن پاک, وحید, دوستدار, عسگر, قاسمی, محمد صادق, نصیری, نادر,

  Background : Posterior corneal elevation changes are keys to early diagnosis of corneal ectasia after keratorefractive surgery, so it is important to use an accurate method for measuring posterior corneal elevation. The purpose of this study is investigating posterior corneal elevation changes with Pentacam(HR) on patients underwent photorefractive keratectomy.   Methods: In this clinical tri...

2018
Keunheung Park Jonghoon Shin Jiwoong Lee

BACKGROUND We evaluated the relationships between corneal biomechanical properties and structural parameters in patients with newly diagnosed, untreated normal-tension glaucoma (NTG). METHODS All subjects were evaluated using an Ocular Response Analyzer (ORA) measuring corneal hysteresis (CH) and the corneal resistance factor (CRF). Central corneal thickness (CCT), Goldmann applanation tonome...

ژورنال: بینا 2019
, ,

Purpose: To investigate the effect of smoking on corneal parameters, including Endothelial Cell Density, Central Corneal Thickness, Percent of Hexogonality, and Coefficient of Variation. Methods: This study was a systematic review and meta-analysis of published articles until the end of February 2019. To do this, the first search was done for creditable medical databases such as PubMed, and ISI...

2014
Annemarie Klingenstein Marcus Kernt Florian Seidensticker Anselm Kampik Christoph Hirneiss

PURPOSE The aim of the study reported here was to evaluate characteristics of the anterior-segment via anterior-segment optical coherence tomography (AS-OCT) and corneal biomechanical properties using an ocular response analyzer and their changes by peripheral laser iridotomy (PI) in patients with pigmentary glaucoma (PG). MATERIALS AND METHODS Seventeen eyes with PG were included consecutive...

2012
Mario Matthaei Huan Meng Imran Bhutto Qingguo Xu Edwin Boelke Justin Hanes Albert S Jun

BACKGROUND Corneal intrastromal injection is an important mode of gene-vector application to subepithelial layers. In a mouse model, this procedure is substantially complicated by the reduced corneal dimensions. Furthermore, it may be difficult to estimate the corneal area reached by the volume of a single injection. This study aimed to investigate intrastromal injections into the mouse cornea ...

A SHarifi S Ahmadi

Background & Aims: This study was carried out to determine the leading indications for corneal transplantation in Kerman province. Methods: Medical records of 186 patients underwent corneal transplantation during 3 years (2004-2006) in Shafa Medical Center were evaluated retrospectively. The initial diagnosis and causes of corneal grafting were recorded. Infectious keratitis (Bacterial, Fungal,...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید