نتایج جستجو برای: contrast

تعداد نتایج: 392861  

Journal: :journal of current ophthalmology 0
teresa ferrer-blasco santiago garcía-lázaro césar albarrán-diego lurdes belda-salmerón robert montés-micó

purpose : to evaluate distance and near contrast sensitivity (cs) under photopic and mesopic conditions before and after refractive lens exchange (rle) and implantation of the aspheric acrysof restor (sn6ad3 model) intraocular lens (iol) methods : sixty eyes of 30 consecutive patients after rle underwent bilateral implantation with the aspheric acrysof restor iol. the patients sample was divide...

Journal: :iranian red crescent medical journal 0
abbas khosravi anesthesia and intensive care research center, shiraz university of medical sciences, shiraz, ir iran; icu department, iranian hospital – dubai, p.o.box: 2330 , dubai , uae. tel: +971-502242379, fax: +971-43440322. tel/fax: +971-43440322 mansour masjedi intensive care department, iranian hospital-dubai, dubai, uae golnar sabetian anesthesia and intensive care research center, shiraz university of medical sciences, shiraz, ir iran mohammad reza rahmanian anesthesia and intensive care research center, shiraz university of medical sciences, shiraz, ir iran

introduction: myelograghy is a process of instilling contrast medium to the subarachnoid space for evaluating the spinal column by radiography. there are various contrast solutions for different radiographic studies but not all of them are suitable for spinal column evaluation. conclusions: our subject recovered completely without any sequelae after receiving appropriate treatment in a multidis...

Journal: :Medical physics 2012
Alisa Walz-Flannigan Ben Babcock George C Kagadis Jihong Wang Steve G Langer

PURPOSE How do display settings and ambient lighting affect contrast detection thresholds for human observers? Can recalibrating a display for high ambient lighting improve object detection? METHODS Contrast∕detail (CD) threshold detection performance was measured for observers using four color displays with varying overall contrast (e.g., differing maximum luminance and ambient lighting cond...

Maryam Hosseini Nader Riahi Alam, Sadegh Dehghani Soheila Haghgoo Tohid Mortezazadeh

Introduction: Noninvasive magnetic resonance imaging (MRI) and targeted drug delivery systems, usually referred to as theranostic agents, are being developed to enable detection, site-specific treatment, and long-term monitoring.   Materials and Methods: To elucidate the effects of coating on cellular uptake and biodistribution of n...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید