نتایج جستجو برای: cct

تعداد نتایج: 2494  

2017
Leticia Álvaro João M M Linhares Humberto Moreira Julio Lillo Sérgio M C Nascimento

Colour discrimination has been widely studied in red-green (R-G) dichromats but the extent to which their colour constancy is affected remains unclear. This work estimated the extent of colour constancy for four normal trichromatic observers and seven R-G dichromats when viewing natural scenes under simulated daylight illuminants. Hyperspectral imaging data from natural scenes were used to gene...

2013
Panagiotis Tsikripis Dimitrios Papaconstantinou Chryssanthi Koutsandrea Michalis Apostolopoulos Ilias Georgalas

PURPOSE To evaluate the effect of prostaglandin analogs (PGAs) on the biomechanical properties (corneal hysteresis [CH], corneal resistance factor [CRF]) and central corneal thickness (CCT) of patients with open-angle glaucoma. METHODS A total of 108 eyes were prospectively included for repeated measurements of intraocular pressure (IOP) with Goldmann applanation tonometry (GAT) and ocular re...

Journal: :Lymphology 1998
H Brorson H Svensson K Norrgren O Thorsson

In a prospective study, 20 patients with arm lymphedema after breast cancer treatment underwent liposuction combined with Controlled Compression Therapy (CCT) or CCT alone. Indirect lymphoscintigraphy (ILS) was used to study lymph kinetics before and after intervention. Lymphoscintigrams from the contralateral, non-edematous arm were characterized by prompt transit of the radiotracer (99mTc-alb...

2015
Holger Wenz Máté E. Maros Mathias Meyer Alex Förster Holger Haubenreisser Stefan Kurth Stefan O. Schoenberg Thomas Flohr Christianne Leidecker Christoph Groden Johann Scharf Thomas Henzler Qinghui Zhang

OBJECTIVES To prospectively intra-individually compare image quality of a 3rd generation Dual-Source-CT (DSCT) spiral cranial CT (cCT) to a sequential 4-slice Multi-Slice-CT (MSCT) while maintaining identical intra-individual radiation dose levels. METHODS 35 patients, who had a non-contrast enhanced sequential cCT examination on a 4-slice MDCT within the past 12 months, underwent a spiral cC...

2011
Andrew Jabbour Raad H. Mohiaddin

Results Of the 202 patients undergoing TAVI assessment with both CMR and TTE, 133 also underwent CCT. Close agreement was observed between CMR and CCT in dimensions of the aortic annulus (bias, 0.4 mm; 95% limits of agreement: 5.7 to 5.0 mm), and similarly for sinus of Valsalva, sinotubular junction, and ascending aortic measures. Agreement between TTE-derived measures and either CMR or CCT was...

Journal: :Investigative ophthalmology & visual science 2006
Aachal Kotecha Ahmed Elsheikh Cynthia R Roberts Haogang Zhu David F Garway-Heath

PURPOSE The Ocular Response Analyzer (ORA) is a new instrument that measures the corneal biomechanical response (corneal hysteresis, CH) to rapid indentation by an air jet. CH is the difference in applanation pressures (P1, P2) between the rising and falling phases of the air jet. The investigation had two parts: a characterization study and a validation study. In the characterization study, th...

ژورنال: :روش های عددی در مهندسی (استقلال) 0
رضا طاهریان r. taherian عباس نجفی زاده a. najafi zadeh مرتضی شمعانیان m. shamanian رضا شاطری r. shateri

در این مقاله دو نمودار ccct که استحاله ها را در حین سردشدن پیوسته، همراه تغییرشکل آستنیت نشان می دهد بررسی و با نمودار cct (بدون همراهی تغییرشکل) مقایسه شد. همچنین علت افزایش دمای md و bd از نظر ترمودینامیکی و متالورژیکی بررسی شد. بررسیهای ترمودینامکی نشان داد که تنش باعث افزایش نیروی محرکه مکانیکی و کاهش انرژی آزاد کل استحاله می شود و سبب می شود که امکان شروع استحاله در دماهای بالاتر فراهم شود...

2016
Kiyoshi Yaoeda Atsushi Fukushima Motohiro Shirakashi Takeo Fukuchi

PURPOSE To investigate the correlation coefficients between intraocular pressure (IOP) before and after adjusting for central corneal thickness (CCT) and corneal biomechanical properties. PATIENTS AND METHODS A total of 218 eyes of 218 patients with primary open-angle glaucoma (mean age =71.5 years; mean spherical equivalent =-0.51 D; mean deviation determined by Humphrey visual field analyze...

Journal: :Montenegrin Journal of Sports Science and Medicine 2023

This study compared the effects of complex contrast training (CCT) on measures physical fitness in stronger to weaker individuals. Forty-one participants were initially recruited for relative strength assessment back squat. Thereafter, 26 purposively assigned either a group (CCT-ST; ?1.75; n = 12) or (CCT-WK; <1.55; 14). Physical tests assessed pre- and post-six weeks CCT training. Tests inc...

2015
Chen-Wei Pan Jun Li Hua Zhong Wei Shen Zhiqiang Niu Yuansheng Yuan Qin Chen Yingfeng Zheng

PURPOSE To describe the ethnic differences in central corneal thickness (CCT) in population-based samples of ethnic Bai, Yi and Han people living in rural China. METHODS 6504 adults (2119 ethnic Bai, 2202 ethnic Yi and 2183 ethnic Han) aged 50 years or older participated in the study. Each subject underwent standardized ocular examinations and interviewer-administered questionnaires for risk ...

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