당일 라식, 라섹 수술과 기존 수술법의 수술 후 결과 비교

김욱겸(Wook Kyum Kim),류익희(Ik Hee Ryu),이인식(In Sik Lee),김희선(Hee Sun Kim),김정섭(Jung Sub Kim),김진국(Jin Kuk Kim) 대한안과학회 2018 대한안과학회지 Vol.59 No.5

Purpose: To evaluate the postoperative results of one day laser-assisted in-situ keratomileusis (LASIK) or laser-assisted sub-epithelial keratectomy (LASEK) procedures, which were performed on the same day as preoperative examinations, including fundus examinations after dilating the pupil. Methods: This study included 226 LASIK patients (226 eyes) and 201 LASEK patients (201 eyes) who underwent surgery with Visumax and EX500 from January to December in 2016. We divided the patients into two groups. The one-day surgery group (one-day group) underwent surgery on the same day as preoperative examinations, including dilated fundus examinations. The scheduled surgery group (scheduled group) underwent surgery on the scheduled day after the preoperative examinations. In the one-day group, the surgery was usually performed 2–5 hours after instillation of the pupil dilating eye drops. Results: Among LASIK patients, the one-day group included 109 patients and the scheduled group included 117 patients. The postoperative myopic errors were 0.06 ± 0.37 diopters (D) and 0.07 ± 0.36 D, respectively (p = 0.91). The postoperative astigmatism was -0.38 ± 0.24 D and -0.37 ± 0.24 D, respectively (p = 0.77). The postoperative uncorrected visual acuity was -0.05 ± 0.03 logMAR and -0.06 ± 0.03 logMAR, respectively (p = 0.13). Among LASEK patients, the one-day group included 107 patients and the scheduled group included 94 patients. The postoperative myopic error was 0.18 ± 0.52 D and 0.22 ± 0.54 D, respectively (p = 0.95). The postoperative astigmatism was -0.48 ± 0.30 D and -0.46 ± 0.29 D, respectively (p = 0.14). The postoperative uncorrected visual acuity was -0.05 ± 0.03 logMAR and -0.06 ± 0.03 logMAR, respectively (p = 0.33). Conclusions: The postoperative results of the one-day LASIK and LASEK patients, whose surgery was performed on the same day as the preoperative examinations, were not significantly different from those using the conventional method. J Korean Ophthalmol Soc 2018;59(5):410-418

라식 혹은 라섹 후 근시퇴행 시 안압하강제와 0.1% 플루오로메토론의 병합치료 효과

류익희(Ik Hee Ryu),김희선(Hee Sun Kim),이희경(Hee Kyung Lee),김정섭(Jung Sub Kim),김진국(Jin Kuk Kim),김욱겸(Wook Kyum Kim) 대한안과학회 2017 대한안과학회지 Vol.58 No.1

목적: 라식 라섹 후 근시퇴행으로 인해 시력저하를 호소하는 환자에서 안압하강제와 0.1% 플루오로메토론을 함께 사용하여 약물치료를 시행하였을 때 시력과 굴절값에 미치는 효과를 알아보고자 하였다. 대상과 방법: 본원에서 라식 혹은 라섹 수술을 받은 환자 중 2015년 1월부터 2016년 1월까지 시력저하로 내원하여 근시퇴행으로 진단받고 약물치료를 받은 환자 155명(155안)을 대상으로 약물치료 전후의 시력 및 굴절이상을 비교하고, 라식 라섹에서 그 결과가 차이있는지 알아보았다. 결과: 약물치료 시작 시기는 수술 후 평균 64.1 ± 36.8개월 후였다. 약물치료 후 시력이 호전되고 근시량이 감소한 약물치료 반응군은 63명(41%)이었으며, 이들에서 시력 호전은 -0.21 ± 0.11 logMAR, 근시량의 감소는 0.56 ± 0.32디옵터였다. 약물치료 반응군 중 완전히 회복되는 경우는 24명(15%), 부분적으로 회복된 경우는 39명(26%)이었다. 약물치료에 시력이 호전되는 빈도는 라섹 후보다 라식 후에 더 높았으나 통계적으로 유의하지는 않았다. 결론: 라식 라섹 후 근시퇴행으로 인한 시력저하 시 안압 하강제와 0.1% 플루오로메토론을 함께 사용한 약물치료는 약 41% 환자에서 시력을 호전시킬 수 있는 방법이며, 라식, 라섹 후 모두에서 효과적인 방법이다. Purpose: To evaluate the effect of combined medical treatment with anti-glaucoma eyedrops and 0.1% fluorometholone on visual acuity and refractive errors in patients complaining of blurred vision due to myopic regression after laser-assisted in-situ keratomileusis(LASIK) or laser-assisted sub-epithelial keratectomy (LASEK). Methods: This study comprised 155 patients (155 eyes) who were diagnosed with myopic regression after LASIK or LASEK and received medical treatment from January 2015 to January 2016. The visual acuity and refractive errors were compared before and after medical treatment and evaluated to determine whether the results differ between LASIK and LASEK. Results: The mean time of medical treatment was 64.1 ± 36.8 months after surgery. The responder group whose vision was improved and whose myopic error was decreased after medical treatment was comprised of 63 patients (41%). Theirvisualacuity in this group improved -0.21 ± 0.11 logMAR, and the amount of myopic error decreased 0.56 ± 0.32 diopters. The full responder group was 24 patients (15%), and the partial responder group was 39 patients (26%). The frequency of response to medical treatment was higher after LASIK than after LASEK, but the difference was not statistically significant. Conclusions: The combined medical treatment with anti-glaucoma eyedrops and 0.1% fluorometholone was effective in 41% of patients with regard to visual acuity improvement when used for post-LASIK or post-LASEK myopic regression. The medical treatment was effective after both LASIK and LASEK.

소아에서 발생한 안와의 B-세포 림프모구성 림프종 1예

김정섭,노창래,도상희,박경신,양석우,Jung Sub Kim,M,D,Chang Rae Rho,M,D,Sang Hee Doh,M,D,Gyeong Sin Park,M,D,Suk Woo Yang,M,D 대한안과학회 2007 대한안과학회지 Vol.48 No.1

Purpose: We report a case of orbital B-cell lymphoblastic lymphoma in a 7-year-old boy. Methods: A 7-year-old boy presented with proptosis and periorbital swelling of his left eye following a periorbital blunt trauma 1-month prior. During the course of routine ophthalmologic and radiologic examinatinos, the swelling spontaneously subsided without specific treatment. An outpatient follow-up was planned, but the swelling recurred 6 months later. An orbital CT and MRI showed an irregular mass with an indistinct margin in the left orbit, for which an incisional biopsy was performed. Results: The orbital mass consisited of monotonous small to medium sized lymphoid cells with evenly dispersed open chromatin, thin nuclear membrane and inconspicuous nucleoli. Immunohistochemistry revealed that the cells were positive for CD79a and TdT, but negative for CD3 and CD5. These findings were compatible with a diagnosis of B cell lymphoblastic lymphoma. Conclusions: Lymphoblastic lymphoma of the orbit should be suspected and considered in the differential diagnosis for children with acutely progressing orbital mass.

유기금속화학기상증착법을 이용한 적층 InAs 양자점 적외선 수광소자 성장 및 특성 평가 연구

김정섭,하승규,양창재,이재열,박세훈,최원준,윤의준,Kim, Jung-Sub,Ha, Seung-Kyu,Yang, Chang-Jae,Lee, Jae-Yel,Park, Se-Hun,Choi, Won-Jun,Yoon, Eui-Joon 한국진공학회 2010 Applied Science and Convergence Technology Vol.19 No.3

유기금속화학기상증착법으로 적층 InAs/$In_{0.1}Ga_{0.9}As$ DWELL (dot-in-a-well) 구조를 성장하여 n-i-n 구조의 적외선 수광소자를 제작하였으며, PL (photoluminescence) 발광 특성 및 암전류 특성을 분석하였다. 동일한 조건으로 양자점을 적층하였을 때 크기 및 밀도의 변화에 의한 이중 PL peak을 관찰하였으며, TMIn의 유량을 조절함으로써 단일 peak을 갖는 균일한 크기의 양자점 적층 구조를 성장할 수 있었다. 적외선 수광소자 구조를 성장함에 있어서, 상부의 n-형 GaAs의 성장 온도가 600도 이상인 경우 PL 발광 세기가 급격히 감소하였고 이에 따른 암전류의 증가를 관찰하였다. 0.5 V 인가 전압에서 암전류의 온도 의존성에 대한 활성화 에너지의 크기는 성장온도가 580도인 경우 106 meV이고, 650도의 경우는 48 meV로 급격이 낮아졌다. 이는 고온의 성장 온도에 의한 InAs 양자점과 $In_{0.1}Ga_{0.9}As$ 양자우물구조 계면에서의 열적 상호 확산에 의하여 비발광 천이가 증가되었기 때문이다. We grew multi-stacked InAs/$In_{0.1}Ga_{0.9}As$ DWELL (dot-in-a-well) structure by metal organic chemical vapor deposition and investigated optical properties by photoluminescence and I-V characteristics by dark current measurement. When stacking InAs quantum dots (QDs) with same growth parameter, the size and density of QDs were changed, resulting in the bimodal emission peak. By decreasing the flow rate of TMIn, we achieved the uniform multi-stacked QD structure which had the single emission peak and high PL intensity. As the growth temperature of n-type GaAs top contact layer (TCL) is above $600^{\circ}C$, the PL intensity severely decreased and dark current level increased. At bias of 0.5 V, the activation energy for temperature dependence of dark current decreased from 106 meV to 48 meV with increasing the growth temperature of n-type GaAs TCL from 580 to $650^{\circ}C$. This suggest that the thermal escape of bounded electrons and non-radiative transition become dominant due to the thermal inter-diffusion at the interface between InAs QDs and $In_{0.1}Ga_{0.9}As$ well layer.

교사용 칭찬성향 검사도구 개발 및 타당화 검증

전보라(Bo-Ra JEON),김정섭(Jung-Sub KIM) 한국수산해양교육학회 2012 水産海洋敎育硏究 Vol.24 No.5

The purpose of this study was to develop and validate a teacher’s praise dispositions scale(TPDS). On the basis of a literature review of praise, we developed 19 Likert-type items to measure praise dispositions of elementary and secondary school teachers. The developed scale was examined with 342 teachers. With an exploratory factor analysis we extracted 3 sub-factors of the scale consisted of 16 items; frequency, intention, and standard of praise. Cronbach’s α coefficients of sub-scales were from .60 to .85 and split-half reliabilities were from .60 to .84. A confirmatory factor analysis was conducted to assess the suitability of three components model. It was found that some correlation coefficients, not all of them, between gratitude disposition and praise disposition were statistically significant. It suggested that teachers’praise disposition scale is related to gratitude disposition but is not the same scale. In conclusion, TPDS could be used to measure praise dispositions of teachers. However, for further validity and reliability, repeated research is necessary.

생체모사 장 융모 제작을 위한 고분자 몰드의 하이브리드 가공기술에 대한 실험적 연구

김정섭(Jung Sub Kim),이필호(Pil-Ho Lee),이상원(Sang Won Lee),정하승(Haseung CHUNG) 대한기계학회 2015 대한기계학회 춘추학술대회 Vol.2015 No.11

한국 창의성 연구의 동향과 쟁점

김정섭(Jung Sub Kim) 한국교육심리학회 2008 敎育心理硏究 Vol.22 No.4

칭찬에 관한 간학문적 연구

김정섭(Kim Jung sub),안경식(An Gyeong sik),윤채영(Yun Chae young) 한국교육사상연구회 2015 敎育思想硏究 Vol.29 No.3

본 연구는 공자의 칭찬론과 칭찬에 관한 교육심리학 연구의 성과를 간학문적으로 비교하면서 칭찬을 어떻게 하고 받아들여야 하는지를 확인하는데 목적을 두고 있다. 이를 위해 공자의 칭찬론을 드러내는 문구를『논어』및 관련 문헌에서 찾아 현대교육심리학 연구를 통해 밝혀진 결과들과 비교하면서 논의하였다. 본 연구를 통해 살펴본 바에 따르면, 공자의 칭찬론은 칭찬하는 사람의 자세와 칭찬받는 사람의 자세로 나누어진다. 칭찬하는 사람의 자세에는 '진실하게 칭찬한다', '능력보다 품성을 칭찬한다', '차별 없이 칭찬한다'가 포함된다. 이런 공자의 견해는 교육심리학적 연구를 통해 증명되고 있다. 칭찬받는 사람의 자세에는 '칭찬의 의도를 파악한다', '인정받고 싶으면 노력한다', '말보다 실천한다'가 해당된다. 공자는 칭찬하는 사람의 자세 뿐 아니라 칭찬받는 사람의 자세를 함께 강조했지만, 교육심리학자들은 칭찬받는 사람의 자세에 대해서는 여전히 소홀히 다루고 있다. 칭찬받는 사람의 자세에 관한 공자의 생각은 교육심리학자들에게 새로운 연구 문제를 제공할 것이다. This study aimed to identify how to praise and how to react to praise by adopting interdisciplinary approach between Confucian theory of praising and educational psychological findings. To achieve these goals we first found Confucius' sayings which are related to praise from his『Analects 論語』, secondly compared the meanings of those sayings with the findings fo educational psychologists. This research found that Confucius's theory on praise can be divided into two topics: the attitudes of praisers and praisees. According to Confucius, the praiser must praise others 'sincerely,' 'character rather than ability,' and 'without discrimination.' These ideas are supported with the findings of educational psychologists. The praisee, according to Confucius, had better 'grasp the intentions of praiser,' 'try to do best to get recognition,' and 'become a doer rather than a talker.' An important finding is that Confucius focused on the praisee's attitudes, but modern educational psychologists have paid little attention on them. We can conclude that educational psychologists might adopt Confucius's ideas on their research on how to receive praise.

중학생의 리더십 기술과 창의적 사고 및 비판적 사고와의 관계

김정섭(Jung Sub Kim),신수진(Su Jin Shin),윤소정(So Jung Yune) 한국교육심리학회 2006 敎育心理硏究 Vol.20 No.4

자가혈관 동정맥루 생존율에 대한 Cilostazol의 효과

김정섭 ( Jung Sub Kim ),최문기 ( Mun Ki Choi ),최보경 ( Bo Kyung Choi ),이희선 ( Hee Sun Lee ),이나리아 ( Naria Lee ),손정민 ( Jung Min Son ),성은영 ( Eun Young Seong ),송상헌 ( Sang Heon Song ),이수봉 ( Soo Bong Lee ),곽임수 ( Ihm 대한신장학회 2010 Kidney Research and Clinical Practice Vol.29 No.4

Purpose: Vascular access failure is the most common reason for hospitalization among hemodialysis (HD) patients. Cilostazol, which has antiplatelet action and vasodialtory effects, significantly reduces the risk of restenosis after percutaneous coronary intervention in many patients. We conducted this study to evaluate the relationship between the use of antiplatelet agents, especially cilostazol, and arteriovenous fistula (AVF) patency in HD patients. Methods: A total of 241 patients underwent native AVF creation from January 2001 to December 2008. Among these patients, we selected 86 patients excluding 38 patients (15.8%) with primary technical failure, 49 patients without complete data and 68 patients used cilostazol less than 1 month. Demographic characteristics, medication history and fistula failure rate were collected and analyzed to elucidate the effect of cilostazol to native AVF. Results: From all groups, AVF failure occurred in 24 patients (27.9%). 28 patients received cilostazol (62.3 %) and mean duration of cilostazol therapy was 229.5±115.7 days. All patients were classified into two groups according to cilostazol (Cilostazol [n=28, 32.6%] vs. non-Cilostazol [n=58, 67.4%]. There was no statisticallly significant difference in failure rate between the two groups (32.1% vs. 25.9%, p=0.543). In diabetes group, patients who received statin have much lower AVF failure rate (0 % vs. 32.4%, p=0.024). Logistic regression analysis showed that female was independent risk factor for access failure (HR 5.549, CI 1.104-27.877, p=0.037). Conclusion: Cilostazol and other antiplatelet agent had a no significant association with AVF patency. Female was an independent risk factor for access failure.