펜타캠을 이용한 섬유주 절제술 전후의 각막 고위수차와 전방계측치의 변화 관찰

김병선,김병재,정인영,서성욱,유지명,김성재,Byoung Seon Kim,MD,Byung Jae Kim,MD,In Young Chung,MD,PhD,Seong Wook Seo,MD,PhD,Ji Myong Yoo,MD,PhD,Seong Jae Kim,MD,PhD 대한안과학회 2014 대한안과학회지 Vol.55 No.5

Purpose: To evaluate changes in corneal keratometry, high-order aberrations (HOAs), and anterior chamber parameters after trabeculectomy using Pentacam<sup>® (Oculus Inc., Dutenhofen, Germany). Methods: Forty eyes of 40 patients who underwent limbal-based trabeculectomy or fornix-based trabeculectomy between July 2011 and May 2012 were retrospectively reviewed. Intraocular pressure (IOP), corneal keratometry, central corneal thickness, anterior chamber depth, anterior chamber volume, and HOAs were measured using Pentacam<sup>® preoperatively and at 3 months postoperatively. Results: The mean age of patients who underwent trabeculectomy was 58.26 ± 16.28 years. IOP showed significant decrease after surgery in both groups compared to preoperative values (<em>p</em> < 0.05). There were no significant differences in corneal keratometry, anterior chamber depth, anterior chamber volume, central corneal thickness, total root mean square (RMS), trefoil, and coma after surgery (<em>p</em> > 0.05). Conclusions: Postoperative corneal keratometry and anterior chamber parameters did not change significantly compared to preoperative values in glaucoma patients after performing trabeculectomy. Most HOAs that affected quality of vision were not changed in the limbal-based trabeculectomy or fornix-based trabeculectomy. J Korean Ophthalmol Soc 2014;55(5):662-668

항공, 우주용 복합재료 응용

김병선,김태욱,Kim, Byeong-Seon,Kim, Tae-Uk 재료연구소 1994 機械와 材料 Vol.6 No.2

첨단 복합재료 산업의 구조

김병선,김현수,Kim, Byeong-Seon,Kim, Hyeon-Su 재료연구소 1992 機械와 材料 Vol.4 No.1

수분무에 의한 아이스 슬러리 생성에 관한 연구

김병선,이윤표,윤성영,이진호,Kim, B.S.,Lee, Y.P.,Yoon, S.Y.,Lee, J.H. 대한설비공학회 1997 설비공학 논문집 Vol.9 No.2

A theoretical and experimental study has been performed to investigate the characteristics of ice-slurry product. By diffusion-controlled model, the possibility of ice slurry has been theoretically anticipated. The water vapor evaporated from the surface of droplets is extracted continuously from the chamber by a vacuum pump. The droplet diameter was measured by silion immersed method. The ice slurry has been obtained by spraying droplets of ethylene-glycol aqueous solution in the chamber where pressure is maintained under the triple point of water. The droplet of which the diameter is $300{\mu}m$, and the initial temperature is $20^{\circ}C$, was changed into ice particle within the chamber of which the height is 1.33m.

수치고도모델을 이용한 내륙습지 관리권역 설정

김병선,구자용,Kim Byung-Sun,Ku Cha-Yong 한국공간정보학회 2005 한국공간정보학회지 Vol.13 No.2

습지는 육상과 수상생태계의 전이지대로 다양한 생물의 서식처이며 생물자원의 보고로서 인간은 물론 육상의 생물들에게도 매우 가치있는 지리적 공간이다. 본 연구에서는 내륙습지를 대상으로 수치고도모델과 GIS 분석기법을 이용하여 효율적인 습지 관리권역 설정 방법을 연구하였다. 수치고도모델을 이용하여 소하천 유역단위로 관리 권역을 설정하기 위한 방법으로 BurnDEM기법을 사용하였다. 또한 내륙습지 분포도를 18개의 소하천 유역으로 분류한 유역도와 중첩하여, 내륙습지의 관리권역의 효율성을 평가하였다. 이러한 소하천 유역 관리권역 설정 기법은, 앞으로 진행될 국가 내륙습지 데이터베이스 구축 사업에 활용될 수 있다. Wetlands are a transitional zone between aquatic and terrestrial ecosystems, and a habit for the various biospheres. The main purpose of this study is to suggest a new technique that establishes the management districts of inland wetlands. To establish management districts of sub-watershed units, this study used the BurnDEM techniques. The management district resulted form this study are assessed its effectivity using an overlap of inland wetland map and sub-watershed maps classified by 18 sub-watershed. The result of this study could be applied to build a national inland wetland database.

서비스 중심의 국가 공간정보 플랫폼 연계 방안에 관한 연구

김병선,안종욱,신동빈,Kim, Byeongsun,Ahn, Jong Wook,Shin, Dong Bin 한국공간정보학회 2014 한국공간정보학회지 Vol.22 No.2

본 연구는 공간정보 서비스 중심의 국가 공간정보 플랫폼 연계 방안을 제시하는 것을 목적으로 한다. 이를 위해 공간정보 플랫폼 연계의 필요성에 대해 분석하고, 산 학 연 전문가를 대상으로 설문조사를 실시하여 국가 공간정보 플랫폼 연계에 대한 문제점을 파악하였다. 이를 토대로 효율적인 공간정보 서비스 제공을 위한 Single Point Access 플랫폼 연계 모델과 이를 구현하기 위한 기술과 정책 방안을 제시하였다. 이러한 연구 결과는 공간정보 중심의 플랫폼 정부 구현, 국가 공간정보 플랫폼 개발에 대한 정책 방향 수립 및 국가 정보화 계획에 활용될 수 있을 것이다. The aim of this study is to propose service-oriented connection model among National Geospatial Information Platforms(NGIPs). For this, the study analyzes the necessity of NGIPs connection and extracts the issues related to the connection among NGIPs through Industrial-University-Institute experts survey. Based on this analysis, this study constructs service-oriented connection model for NGIPs, so called Single Point Access model and proposes the policy and technological counterplan to realize this model. This study result can be applied to establish a platform government based on geospatial information, policy for NGIP, and the national Information plan.

당뇨황반부종에서 베바시주맙 단일주입과 저용량 베바시주맙-트리암시놀론 혼합주입 단기효과 비교

김병선,정인영,박종문,한용섭,Byoung Seon Kim,In Young Chung,Jong Moon Park,Yong Seop Han 대한안과학회 2014 대한안과학회지 Vol.55 No.8

Purpose: To report the effects and intraocular pressure results of intravitreal bevacizumab alone injection compared with intravitreal low-dose bevacizumab combined with low-dose triamcinolone injection in patients with diabetic macular edema. Methods: In total, 40 eyes of 40 patients diagnosed with diabetic macular edema were evaluated. Of these, 20 eyes of 20 patients were injected with intravitreal bevacizumab (1.25 mg/0.05 mL) and 20 eyes of 20 patients were injected with low-dose bevacizumab (0.625 mg/0.025 mL) combined with low-dose triamcinolone (1 mg/0.025 mL). The best corrected visual acuity (BCVA), central macular thickness, and intraocular pressure of treated eyes were measured before injection and at 1 month, 2 months, and 3 months after injection. Results: In both the intravitreal bevacizumab and the low-dose bevacizumab combined with low-dose triamcinolone groups, BCVA increased significantly at 1 month, 2 months, and 3 months after injection (<em>p </em>< 0.05). In addition, in both groups, neither intraocular pressure (IOP) nor central macular thickness increased significantly at 1 month, 2 months, or 3 months after injection (<em>p</em> > 0.05). The BCVA, IOP, and central macular thickness (CMT) at 1 month, 2 months, and 3 months after injection showed no significant differences between the intravitreal bevacizumab group and the low-dose bevacizumab combined with low-dose triamcinolone group (<em>p</em> > 0.05). Conclusions: The BCVA of both groups increased significantly, and the CMT of both groups decreased significantly in patients with diabetic macular edema. The injection of low-dose intravitreal bevacizumab combined with low-dose intravitreal triamcinolone may be useful for the treatment of diabetic macular edema. J Korean Ophthalmol Soc 2014;55(8):1155-1161

복합재료의 재활용

김병선,황병선 ( B . S . Kim,B . S . Hwang ) 한국복합재료학회 1995 Composites research Vol.8 No.1

1- Ply 유리섬유강화 Fabric 복합재료에 가해진 열충격의 영향

김병선,전의진 ( Byung Sun Kim,Eui Jin Jun ) 한국복합재료학회 1993 Composites research Vol.6 No.1

GIS를 이용한 미시적 수준의 교통모형 구현에 관한 연구

김병선,Kim, Byeongsun 한국공간정보학회 2015 한국공간정보학회지 Vol.23 No.4

본 연구는 GIS를 이용하여 미시적 수준에서 교통현상을 시뮬레이션 할 수 있는 미시적 수준의 교통모형을 설계 및 구현하는데 목적이 있다. 이를 위해 차량이 GIS 도로 중심선 자료를 차선, 이동속도 등이 반영된 도로 네트워크 자료로 인식하는 방법론을 개발하였으며, 운전자의 주행 행태를 반영하기 위해 환경인식모형, 차두시간분포모형, 차량추종모형 및 차로변경모형으로 행태모형을 설계 및 구현했다. 모형의 정확도 평가는 종로구의 자하문길을 대상으로 관측자료와 예측 자료를 비교하였으며, 그 결과 시간대별 이동 속도를 매우 정확하게 예측한 것을 확인할 수 있었다. 본 연구를 통해 구현된 GIS 기반의 미시적 수준의 교통모형은 교통 탄소 배출량 분석, 교통류 평가 및 도시기반시설 입지 계획등의 다양한 분야에 효과적으로 기여할 수 있을 것으로 판단된다. This study aims to design and implement a traffic model that can simulate the traffic behavior on the microscopic level by using the GIS. In the design of the model, the vehicle in the simulation environment recognizes the GIS road centerline data as road network data reflecting number of lanes, speed limit and so on. In addition, the behavior model was designed by dividing functions into the environmental perception model, time headway distribution model, car following model, and lane changing model. The implemented model was applied to Jahamun-road of Jongno-gu district to verify the accuracy of the model. As a result, the simulation results on the Jahamun-road had no great error compared with the actual observation data. In the aspect of usability of model, it is judged that this model will be able to effectively contribute to analysis of amount of carbon emission by traffic, evaluation of traffic flow, plans for location of urban infrastructure and so on.