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가변각막보정 주사레이져편광측정기를 이용한 국소 시야 결손을 가지는 녹내장 환자의 진단
조현수,성민철,국문석,Hyun-Soo Cho,M,D,Min-Cheol Seong,M,D,Michael S,Kook,M,D 대한안과학회 2005 대한안과학회지 Vol.46 No.9
Purpose: To evaluate the ability of scanning laser polarimetry parameters and a novel deviation-map algorithm to discriminate between healthy and early glaucomatous eyes with localized visual field defects confined in one hemifield. Methods: In this prospective case-controlled study, 61 glaucomatous eyes with localized visual field defects and 66 normal controls were enrolled. Humphrey field analyzer 24-2 glaucoma hemifield test and scanning laser polarimetry (GDx-VCC?) were used. Results: There were significant differences in the mean parametric values of TSNIT average, superior average, inferior average, and TSNIT SD (P<0.05) between the glaucoma group and normal subjects. The sensitivity of each GDx-VCC variable was as follows: TSNIT average, 47.5%; superior average, 31.1%; inferior average, 47.5%; and TSNIT SD, 24.6% (when abnormal was defined as P<0.05). The overall sensitivities combining each probability scale and severity score at 80%, 90%, and 95% specificity were 90.2%, 72.1%, and 59%, respectively. There was a statistically significant correlation between the GDx-VCC severity score and the visual field severity score (P<0.05). Conclusions: GDx-VCC parameters may not be sufficiently sensitive to detect glaucomatous patients with localized visual field damage. Our algorithm using the GDx-VCC deviation map may enhance the understanding of GDx-VCC in terms of the locality, deviation size, and severity of localized RNFL defects in eyes with localized visual field loss.
카지노 전자성과감시 시스템 특성과 절차 공정성 및 서비스 성과의 관계
조현수 ( Hyun Soo Cho ),차길수 ( Gil Soo Cha ) 관광경영학회 2015 관광경영연구 Vol.63 No.-
Ever since it emerged on a widespread basis in the 1990s, electronic performance monitoring of employees has received significant scrutiny in the literature. This particular research examined the relationship among casino electronic performance monitoring characteristics, procedural justice, and service performance. In a sample of 237 casino employees, results are found to be consistent with the stated hypotheses. Feedback tone, whether the feedback was timely, specific, and constructive, opportunities to challenge, whether the company allows employees to appeal, and amount of monitoring, whether amount of monitoring is sufficient, were all positively related to perceptions of procedural justice. And perceptions of procedural justice were positively related to employee service performance.
대형할인점 입지에 따른 지역상권의 성장과정분석- 평택시 사례를 중심으로 -
조현수 ( Cho Hyun Soo ),정혜정 ( Joung Hae Joung ) 한국부동산학회 2004 不動産學報 Vol.22 No.-
1. CONTENTS ⑴ RESEARCH OBJECTIVES This study is about how the first location and additional location of large-scale discount stores affect development of regional market area, with case study of Pyongtaek city. (2) RESEARCH METHOD This includes data analysis and surveys from both consumers and wholesale or retail storekeepers. AH OVA, T-Test. (3) RESEARCH RESULTS The conclusion in this study is first that the introduction of large-scale discount stores induces an employment effect - the growth of the number of employees - in the number of employees side although it causes the incredibly decrease of the number of wholesale stores in a local area. Especially, it turns out it has an great effect on the decrease of other whole sales and of the number of employees in household electric appliances. Second, it causes the quite decrease of the number of retail markets in a correspondence area and the new regional market area newly formed centering around large-scale discount stores affects the increase of foodstuffs’ retail stores and of the number of retail employees of its own introduction. Third, it has a decrease effect on monthly mean sales amount to retail stores of traditional market and the crisis of traditional market brings the traditional markets reestablished and modernized. Forth, the first location and additional location of large-scale discount stores causes the competition against each other, and then the large-scale discount store lost in a contest would come to a crisis of bankruptcy. Lastly, it turns out the increase state of convenience outlets and the decrease state of retail stores. 2.RESULTS Along with this event the expansion, mainly in size, of distribution enterprises resulted in change of consumption (buying) pattern and increase in consumer expenditure scale; yet it also caused drastic decrease in consumption activity at large-scale department stores, supermarkets, the traditional market and its neighboring wholesale and retail stores, all of which had been the core of the existing market area. In consequence these began to fall On the other hand the newly introduced large-scale discount stores, rivaling with each other, created competition and accelerated changing the regional market area. Meanwhile the existing traditional market, supermarkets, wholesale and retail stores re-established and modernized themselves, overcoming this crisis. How the regional market area is settling into the new environment.