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이윤하,김지업,라상훈,Yun Ha Lee,MD,Ji Eob Kim,MD,Sang Hoon Rah,MD,PhD 대한안과학회 2013 대한안과학회지 Vol.54 No.11
Purpose: To define the clinical characteristics of acute vertical strabismus in adults strabismus without known ocular and cranial external factors. Methods: We performed a retrospective study of 72 adult patients who developed acute vertical strabismus without known ocular and cranial external factors such as trauma or operation and were followed up for at least 6 months. Results: Undetermined cause (n = 41, 57%) was the most common etiology of acute vertical strabismus, followed by fourth cranial nerve palsy (n = 15, 20.8%), myasthenia gravis (n = 7, 9.7%), third cranial nerve palsy (n = 6, 8.3%), brain tumor (n = 2, 2.7%), and carotid-cavernous fistula (n = 1, 1.3%). The average vertical deviation at primary position was 7.2 prism diopter at initial visit. Thirty-eight (62.3%) patients recovered to orthophoria and 13 (21.3%) patients showed decreased level of diplopia. The average recovery period was 2.9 months. Ten cases remained as strabismus and 5 underwent surgery upon patient’s request. Conclusions: Unknown cause was the most common diagonosis of adult acute vertical strabismus without known ocular and cranial external factors. In the present study, 62.3% of patients recovered to orthophoria and 83.6% recovered without surgical procedures. J Korean Ophthalmol Soc 2013;54(11):1767-1771
MANAGEMENT TREND - 디지털 시대의 아날로그 프리미엄
이윤하,Lee, Yun-Ha 한국시멘트협회 2012 시멘트 Vol.193 No.-
시대가 디지털화 되어감에 따라서 아날로그에 대한 고객들의 향수는 더욱 증가하고 있다. 아날로그 제품은 차별적인 가치를 추구하는 고객들을 대상으로 프리미엄화에 성공하고 있다. 고객 가치 발굴 프로세스 안에서 최근 디지털의 트렌드 뿐 아니라 아날로그 시절의 감성을 결합해 본다면 고객들에게 더 의미 있는 가치를 발굴할 수 있을 것이다.
상사시에서 수직근 후전술 후 사시각의 변화에 대한 고찰
이윤하,라상훈,Yun Ha Lee,Sang Hoon Rah 대한안과학회 2012 대한안과학회지 Vol.53 No.7
Purpose: To determine the extent of vertical rectus muscle correction in hypertropia showing good prognosis. Methods: A retrospective study was performed with a total of 16 patients who underwent superior or inferior rectus muscle recession surgery with a follow-up of more than 6 months. Vertical muscle recession of 1 mm per 2.5 to 3.0 prism diopters was performed according to the surgeon's discretion. Results: At 1 week after surgical correction, undercorrection, orthophoria, and overcorrection was observed in 4, 7 and 5 cases, respectively. At the final examination, ocular deviation was decreased in the undercorrected cases and maintained orthophoric except in 1 case where only a small amount of deviation recurred. However, in the cases of postoperative overcorrectionn, ocular deviation increased; 2 cases required surgical correction for consecutive hypertropia. Conclusions: When performing vertical rectus muscle recession in primary hypertropia, the amount of correction for orthophoria or undercorrection should be determined. J Korean Ophthalmol Soc 2012;53(7):1011-1015
변인 통제 능력을 강화하기 위한 수업 프로그램의 개발 및 적용 효과 분석
이윤하,강순희,Lee, Yoon-Ha,Kang, Soon-Hee 대한화학회 2011 대한화학회지 Vol.55 No.3
The main purpose of this study was to develop a teaching program, especially designed to improve the skills of control variables. The secondary purpose was to investigate the effect of the program on enhancing students' scientific reasoning and understanding. The program was designed based on the 3-step learning model: i.e. students recognize the necessity of controlling the variables (step 1), perform their own experiments (step 2), and reflect on their variables control process (step 3). The program included 9 topics of increasing difficulty. In results, Lawson's SRT scores increased in both experimental and control groups after application of the program, but the difference was not statistically significant. After the application, there was an increase in type A and type B which implied that students' skills of control variables was improved. In addition, responses of students in the experimental group to the open-ended items showed that it was challenging for them to think scientifically and critically when controling variables, but they ended up feeling proud of their achievement after the program. 본 연구에서는 중학교 2학년을 대상으로 변인 통제 강화 프로그램을 개발하고, 이를 적용했을 때 과학적 사고력, 변인 통제 유형 변화에 미치는 효과를 알아보았다. 변인 통제 강화 모형은 변인 통제의 필요성을 인식하는 1단계, 학생들이 스스로 실험을 설계하여 진행하는 2단계, 자신들이 설계한 실험 과정을 되돌아보는 3단계로 구성된다. 이러한 모형에 기초하여 변인 통제 강화 프로그램을 개발하였다. 프로그램의 주제는 모두 9가지이며, 후반부로 갈수록 난이도가 높아진다. 프로그램을 적용한 결과, 학생들의 과학적 사고력 점수(로슨 SRT)는 다소 상승하였으나 통계적으로 유의미하지는 않았다. 사전에 실시한 변인 통제 유형 검사에서는 유형A~유형F까지 고루 분포하였는데 사후에는 변인 통제를 잘하는 유형인 유형A와 유형B가 많았다. 프로그램을 마친 후 실시한 설문을 분석한 결과, 학생들은 변인을 통제하는 실험을 하면서 과학적이고 비판적으로 생각해야 하는 점을 어렵고 힘들어했지만 자신감을 얻었음을 알 수 있었다.
현대국어 대우법에 대하여 - '-시-'와 '-삽-'의 기능을 중심으로 -
이윤하 ( Yoon-ha Lee ) 덕성여자대학교 인문과학연구소 1995 인문과학연구 Vol.1 No.-
This paper is planned in order to examine the various phases of the function of '-shi- and '-sap-' debated with the intricate theories and the views in the academic world, and therefore caused even the acute arguments more than the debate on the politeness in modem Korean and revealed in the all sorts of the treatisis and the books collected "An outline of the successive generations Korean grammar". Here, we will not debate any kind of calling what's right, right and what's wrong, wrong on the related theories and views. Because the basic purpose of this paper was posited to make a search for what to be right way for the discussion and comprehension on the problems related '-shi- and '-sap-'. Through the serious investigation, we called confirm that the theories and the views on '-shi- and '-sap-' in the academic world today were concealed many and few in those of the former learned men; '-shi- is the element related to the subject-person and the object-person referred, and '-sap-' is the element to be debated on the relation between the speaker and the hearer. But we also could discover the queer views getting out of the self-evident and firm ideas as this; the form combined '-shi- with '-sap-' has the function which reverse the subject-person and the hearer some more. While we could get the points which many ststements of a certain learned man would not maintain the logical consistency, which the origin of many theories on the function of '-shi- and '-sap-' would be begun with a certain view of a former learned man and therefore it would be possible to infer the one another's influence-relations related to the theories brought up.