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정상인과 퇴행성 아래 눈꺼풀 속말림 및 눈물 흘림 환자에서 안쪽, 가쪽 눈구석 인대 이완의 측정
이태은,이화,이종미,백세현,Tae Eun Lee,Hwa Lee,Jongmi Lee,Sehyun Baek 대한안과학회 2011 대한안과학회지 Vol.52 No.12
Purpose: The degree of laxity of the medial and lateral canthal tendon in Korean subjects with and without involutional entropion and epiphora was evaluated in the present study. Methods: The present study included 180 normal subjects (360 eyes), 12 patients (15 eyes) with involutional entropion, and 41 patients (58 eyes) with epiphora. The degree of laxity of the medial and lateral canthal tendon, which grades the position of the inferior punctum, was measured using the lateral and medial distraction test. Results: The mean degree of medial and lateral canthal tendon laxity was 1.83/1.08 in normal subjects. A statistical difference was not observed between sexes, and the mean degree of laxity tended to be higher in older patients. The mean degree of laxity was 2.78/2.18 and 2.28/1.22 in the involutional entropion group and the epiphora group, respectively. The involutional entropion group and the epiphora group underwent endoscopic endonasal dacryocystitis (D), medial spindle procedure (M), and endoscopic endonasal dacryocystitis with the medial spindle procedure and/or the tarsal strip procedure (T). The mean degree of laxity was 1.84/1.04 in group D, 3.00/1.20 in group M, 2.33/2.00 in group D + T, 3.20/1.40 in group D + M and 3.50/2.00 in group D + T + M before surgery. Conclusions: The results from the present study may aid in the selection of a basic treatment plan for Korean patients with involutional entropion or epiphora. J Korean Ophthalmol Soc 2011;52(12):1385-1390
단면적이 일정한 직사각형 중공단면을 갖는 아치의 자유진동
이태은,이병구,박광규,Lee, Tae-Eun,Lee, Byoung-Koo,Park, Kwang-Kyou 한국전산구조공학회 2008 한국전산구조공학회논문집 Vol.21 No.4
본 논문은 단면적이 일정한 직사각형 중공단면을 갖는 아치의 자유진동에 관한 연구이다. 아치의 자유진동을 지배하는 미분방정식을 극좌표계에서 유도하였으며, 이 미분방정식에는 회전관성효과를 고려하였다. 본 연구에서는 원호아치에 비해 구조적 안정성이 우수한 포물선형 아치를 대상아치의 선형으로 결정하였으며, 고정-고정, 고정-회전, 회전-회전의 단부조건을 고려하였다. 미분방정식을 효율적으로 해석하여 정확한 고유진동수를 산정할 수 있는 수치해석 알고리즘을 개발하고, 문헌과 본 연구의 결과를 비교하여 본 연구에서 유도된 이론식 및 수치해석 과정의 타당성을 검증하였으며, 단면폭비, 두께비 및 형상비 등과 같은 제 변수 변화에 따른 무차원 고유진동수의 변화를 고찰하였다. This paper deals with the free vibrations of arches with rectangular hollow section having constant area. The differential equations governing free vibrations of arches are derived in polar coordinates, in which the effect of rotatory inertia is included. Natural frequencies is computed numerically for parabolic arches with clamped-clamped, clamped-hinged and hinged-hinged ends. Comparisons of natural frequencies between this study and reference are made to validate theories and numerical methods developed herein. The lowest four natural frequency parameters are reported, with the rotatory inertia, as functions of three non-dimensional system parameters: the breadth ratio, the thickness ratio and the shape ratio
이태은,염지현,김용연,유정권,Tae Eun Lee,Jie Hyun Youm,Yong Yeon Kim,Chungkwon Yoo 대한안과학회 2014 대한안과학회지 Vol.55 No.3
Purpose: To investigate the characteristics of the gray optic disc crescent and associated factors. Methods: We retrospectively reviewed stereo fundus photographs of 590 glaucoma patients and 273 non-glaucoma patients. An experienced investigator evaluated the presence or absence of the gray crescent (a crescent-shaped, slate-gray pigmentation on the periphery of the neuroretinal rim) which is entirely inside the scleral crescent. Correlations with age, gender, refractive error, disc diameters, and the presence of glaucoma or peripapillary atrophy were also analyzed. Results: Out of 863 patients, the gray crescent was observed in 166 patients and was found in 19.0% of glaucoma patients and 19.8% of non-glaucoma patients. The gray crescent was most often located temporally (30.1%) and most frequently occurred within only 1 quadrant (63.9%). The prevalence of the gray crescent was not correlated with refractive error (p = 0.61) or the occurrence of glaucomatous optic neuropathy (p = 0.25), but was significantly related to peripapillary atrophy (p < 0.001) and the horizontal diameter of the optic disc (p = 0.001). Conclusions: The gray optic disc crescent is a common finding within a glaucomatous or non-glaucomatous eye and factors significantly related to occurrence of the gray crescent include peripapillary atrophy and the horizontal diameter of the optic disc. Patients with gray crescent require special attention when the optic disc is examined. J Korean Ophthalmol Soc 2014;55(3):396-401
이태은(Lee, Tae-Eun),이병구(Lee, Byoung-Koo),이재영(Lee, Jae-Young),윤희민(Yoon, Hee-Min) 한국소음진동공학회 2008 한국소음진동공학회 논문집 Vol.18 No.2
The differential equations governing free vibrations of the elastic arches with hollow section are derived in polar coordinates, in which the effect of rotatory inertia is included. Natural frequencies is computed numerically for parabolic arches with both clamped ends and both hinged ends. Comparisons of natural frequencies between this study and reference are made to validate theories and numerical methods developed herein. The lowest four natural frequency parameters are reported, with the rotatory inertia, as functions of three non-dimensional system parameters: the breadth ratio, the thickness ratio and the rise to span length ratio.
이태은 ( Lee Tae-eun ) 커뮤니케이션디자인학회(구 시각디자인학회) 2019 커뮤니케이션 디자인학연구 Vol.69 No.-
IT기술의 발달과 함께 어린이 체험전시관의 체험유형과 전시공간은 다양해지고 있으며, 전시콘텐츠와 관람객의 관계도 달라지고 있다. 이에 체험자와 콘텐츠의 관계를 풀어나가는 체험전시의 스토리텔링 기법은 더욱 중요하다. 본 연구는 이론고찰에 의하여 디지털체험, 스토리텔링, 동선 유형의 분석틀을 정립하고 국내 최초 디지털체험관 사례를 분석하였다. 이를 토대로 ‘이상한나라의 엘리스’ 원형스토리에 연결된 스토리 구성 및 동선의 지정 관람을 적용하고 참여형, 몰입형, 반응형, 감각형, 유도형 콘텐츠를 보완하고 반영한 체험 전시디자인을 개발하였다. 본 논문은 물리적 한계가 없는 디지털체험에 스토리텔링을 접목하여 어린이들의 창의성과 전인적 발달에 도움이 되는 어린이 체험전시관의 확장 형태인 디지털체험관의 컨셉 디자인 체계성을 갖추어 보고자 하였다. Followed by the development of IT technology, experience types and exhibition spaces for children's experimental exhibition are diversifying, and the relationship between exhibition contents and and audience has also been changed. Therefore, the storytelling technique of experience exhibitions, which solves the relationship between experiencers and contents, becomes more important. This study established an analysis framework of digital experience, storytelling, and types of moving line by theoretical considerations, and analyzed the cases of domestic digital experience hall, which is undergoing an extensional stage, to draw pros, cons and its implications. Based on this, the exhibition design was developed to complement and reflect participatory type, immersive type, reactive type, subtractive type, and induced type contents while applying story composition and Dongseon designation view connected to 'Ellis of Wonderland' circular story. This paper intended to incorporate storytelling into digital experiences without physical limitations to equip the concept design system of digital experience centers, which is an extension form of children's experience exhibition center that helps children's creativity and overall development.
복합문화공간 이미지 구축을 위한 플렉서블 아이덴티티 개발에 관한 연구 - 국립아시아문화전당 브랜드 이미지 구축을 중심으로 -
이태은 ( Lee Tae-eun ) 커뮤니케이션디자인학회(구 시각디자인학회) 2017 커뮤니케이션 디자인학연구 Vol.60 No.-
본 논문은 2016년 본인이 국립아시아문화전당(이하, ACC) 재직 시, ACC 아이덴티티의 활용성 문제를 연구 개발하여 개선 한 사례이다. 브랜드 아이덴티티(Brand Identity)는 브랜드 이미지의 일관된 형성을 통하여 특정한 브랜드의 정체성과 선호도를 재고시키는 것이나, 복합문화공간으로서 ACC의 아이덴티티 시스템은 명확한 일관성을 유지하면서 5개 기관으로 구성된 ACC의 정체성과 통합된 커뮤니케이션 표현을 하기에는 한계가 있었다. 따라서, 국내외 복합문화공간의 아이덴티티 활용 현황과 사례들을 분석하여 현재의 ACC 심볼을 유지하면서 확장할 수 있는 융통성 있는 플렉서블 디자인을 도출하였고, ACC의 심볼과 ACC를 구성하는 5개의 각 기관이 분절적으로 활용하는 어플리케이션을 통합적으로 개선하였다. ACC는 아이덴티티를 효과적으로 통일하고 활용하게 됨으로써 일반인들에게 긍정적인 인지도제고와 브랜드 아이덴티티의 일관성을 강화하였다. TThis paper is a case of research/development on the matter of using the identity of Asian Culture Complex(ACC, hereafter) when the researcher was working for ACC in 2016. Brand Identity is to raise the identity and preference of a specific brand by the uniform formation of brand image, however, the identity system of ACC had a limit to implement the integrated communications with the identity that consists of 5 organizations by keeping the clear consistency as the cultural complex space. So, it drew the flexible design that can be extended keeping the symbol of current ACC by analyzing the current status of using identity of Korean and foreign cultural complex space and improved the application that the symbol of ACC and each of 5 organizations use partially in the integrated way. ACC raised the level of awareness and enhanced brand image positively against the public by unifying and utilizing the identity effectively.