نتایج جستجو برای: choosing lens moreover

تعداد نتایج: 450641  

عسگری, اعظم, پرچ, علی اصغر, کشاورزی, کیخسرو,

Introduction: With the growing and rapid development of refractive surgery, researches focus increasingly on improvement of visual quality after cataract surgery. Intraocular lenses (IOLs) were a successful effort in the field of cataract surgery. Despite significant advances in cataract surgery, several complications related to surgical technique and IOL design after surgery can cause vision c...

Journal: :IACR Cryptology ePrint Archive 2014
Guangjun Fan Yongbin Zhou Hailong Zhang Dengguo Feng

Template attacks are widely accepted to be the most powerful side-channel attacks from an information theoretic point of view. For template attacks, many papers suggested a guideline for choosing interesting points which is still not proven. The guideline is that one should only choose one point as the interesting point per clock cycle. Up to now, many different methods of choosing interesting ...

Journal: :Development 2005
Sunit Dutta Jens-Erik Dietrich Gudrun Aspöck Rebecca D Burdine Alexander Schier Monte Westerfield Zoltán M Varga

Hedgehog signaling is required for formation and patterning of the anterior pituitary gland. However, the role of Hedgehog in pituitary precursor cell specification and subsequent placode formation is not well understood. We analyzed pituitary precursor cell lineages and find that pitx3 and distal-less3b (dlx3b) expression domains define lens and pituitary precursor positions. We show that pitx...

2014
Xiaohe Yan Sibylle Sabrautzki Marion Horsch Helmut Fuchs Valerie Gailus-Durner Johannes Beckers Martin Hrabě de Angelis Jochen Graw

Mutations in Peroxidasin (PXDN) cause severe inherited eye disorders in humans, such as congenital cataract, corneal opacity and developmental glaucoma. The role of peroxidasin during eye development is poorly understood. Here, we describe the first Pxdn mouse mutant which was induced by ENU (N-ethyl-N-nitrosourea) and led to a recessive phenotype. Sequence analysis of cDNA revealed a T3816A mu...

Background: Epidemiological studies show that computed tomography (CT) is one of the main sources of ionizing radiations. Shielding of radiosensitive organs is one of the dose reduction methods. This study aimed to assess the eye lens dose reduction and image quality resulting from the use of radio-protective bismuth shield in brain CT imaging. Methods: Bismut...

Journal: :Eye & contact lens 2013
Padmaja Sankaridurg Percy Lazon de la Jara Brien Holden

Significant advances during the past decade in silicone hydrogel lenses have made them the primary mode for new contact lens wear. Their dominance in the market place is driven largely by the elimination of structural and physiological changes induced by contact lens-induced hypoxia, as exemplified especially by the reduction in limbal redness. However, end-of-day dryness and discomfort still d...

Journal: :American journal of physiology. Cell physiology 2016
Rupalatha Maddala Mark Walters Peter J Brophy Vann Bennett Ponugoti V Rao

Periaxin (Prx), a PDZ domain protein expressed preferentially in myelinating Schwann cells and lens fibers, plays a key role in membrane scaffolding and cytoarchitecture. Little is known, however, about how Prx is anchored to the plasma membrane. Here we report that ankyrin-B (AnkB), a well-characterized adaptor protein involved in linking the spectrin-actin cytoskeleton to integral membrane pr...

Journal: :Journal of cell science 2003
Beate K Straub Judit Boda Caecilia Kuhn Martina Schnoelzer Ulrike Korf Tore Kempf Herbert Spring Mechthild Hatzfeld Werner W Franke

The anucleate prismoid fiber cells of the eye lens are densely packed to form a tissue in which the plasma membranes and their associated cytoplasmic coat form a single giant cell-cell adhesive complex, the cortex adhaerens. Using biochemical and immunoprecipitation methods in various species (cow, pig, rat), in combination with immunolocalization microscopy, we have identified two different ma...

Journal: :International journal of clinical and experimental medicine 2015
Lin Zhao Yanlong Quan Jianming Wang Feng Wang Yuping Zheng Aiyi Zhou

Posterior capsular opacification (PCO), the main complication of cataract surgery, is mainly caused by the proliferation, migration, and epithelial-mesenchymal transition (EMT) of the residual lens epithelial cells (LECs).Vitamin C was reported to reduce the risk of forming a cataract. However, there has been no study showing the association between vitamin C and PCO. In this study, we found th...

2015
Wei Xiao Xiaoyun Chen Weihua Li Shaobi Ye Wencong Wang Lixia Luo Yizhi Liu

The mouse lens capsular injury model has been widely used in investigating the mechanisms of anterior subcapsular cataract (ASC) and posterior capsule opacification (PCO), and evaluating the efficacy of antifibrotic compounds. Nevertheless, there is no available protocol to quantitatively assess the treatment outcomes. Our aim is to describe a new method that can successfully quantify the wound...

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