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3회 이상 전층각막이식술을 시행 받은 환자의 장기간 임상결과와 이식실패의 위험인자
장재용,우제문,윤경철,Jae Yong Jang,Je Moon Woo,Kyung Chul Yoon 대한안과학회 2011 대한안과학회지 Vol.52 No.12
Purpose: To evaluate the primary indications, surgical outcomes, causes and risk factors for graft failure in patients with three or more penetrating keratoplasty (PKP) surgeries. Methods: We retrospectively analyzed indications for the initial corneal graft, survival periods, causes and risk factors for failure in 25 patients (26 eyes) who had undergone three or more PKP with minimum follow-up periods of nine months. Results: The most common primary indications were herpes simplex keratitis (26.9%), followed by fungal keratitis (19.2%) and bacterial keratitis (11.5%). The average survival period of graft in three or more PKP was 12.9 ± 9.1 months. As the frequency of PKP increased, the survival period became shorter; the survival period was the longest in pseudophakic bullous keratopathy and the shortest in herpes simplex keratitis. The most common cause of graft failure was allograft rejection (82.8%), and the risk factors for graft failure were short interval between penetrating keratoplasties and corneal neovascularization. Conclusions: In three or more PKP, as the frequency of PKP increases, the survival period becomes shorter. Short interval between keratoplasties and cornel neovascularization were risk factors for graft failure; this results must be considered before surgery. J Korean Ophthalmol Soc 2011;52(12):1399-1404
동공크기에 따른 미세절개 백내장 수술 후의 고위수차 변화양상
장재용,오한진,윤경철,Jae Yong Jang,Han Jin Oh,Kyung Chul Yoon 대한안과학회 2012 대한안과학회지 Vol.53 No.9
Purpose: To analyze changes of higher-order aberrations (HOAs) after micro-coaxial cataract surgery according to pupil size and to evaluate systemic factors affecting these changes. Methods: Forty-two patients (42 eyes) who had undergone micro-coaxial cataract surgery were followed-up in the present study. HOAs (total RMS, coma, trefoil and spherical aberration) were measured at 1 week, 1 month, 3 months and 6 months post surgery. Differences of HOAs according to pupil size and systemic factors affecting changes of HOAs were analyzed. Results: Total RMS (1.08 ± 0.89 μm) and spherical aberration (0.03 ± 0.13 μm) were lower in the group with a pupil size between 5.6 and 6.4 mm at 1 month after surgery compared with the group with pupil size lower than 5.5 mm (1.69 ± 0.97 μm, 0.09 ± 0.11 μm) or the group with pupil size larger than 6.5 mm (1.75 ± 0.87 μm, 0.12 ± 0.18 μm), which remained low at 6 months after surgery. Coma and trefoil showed a similar tendency. Patients with diabetes mellitus had smaller pupil size and higher total RMS, coma, trefoil and spherical aberration values at 1 month after surgery compared with patients without diabetes. Conclusions: HOAs were lowest in patients with pupil size between 5.6 and 6.4 mm after micro-coaxial cataract surgery. Patients with diabetes mellitus tend to have smaller pupil size after micro-coaxial cataract surgery and show higher postoperative HOAs. J Korean Ophthalmol Soc 2012;53(9):1260-1268
해양스포츠 참가자의 재미요인과 몰입이 여가만족에 미치는 영향
장재용(Jae-Yong Jang),권오륜(Oh-Ryun Kwon),강신범(Shin-Beum Kang) 한국항해항만학회 2013 한국항해항만학회지 Vol.37 No.1
The following study holds its purpose on verifying primary fun factors of participation and satisfaction on marine sports. The results are: 1) The efficiency, effectiveness of exercise, self-satisfaction, and family support turned out to be higher in the group with longer and higher period, time, and frequency of participation than those of the control group. 2) The period of participation, speculation on engagement according to the frequency, and behavioral factors were shown to be higher in the group with longer and higher period, time, and frequency of participation than those of the control group. 3) Satisfaction on leisure on social, physical, emotional, and educational means were higher in the group with longer and higher period, time, and frequency of participation than those of the control group. 4) The fun factors of marine sports- self-satisfaction, effectiveness of excercise, efficiency, and family support- had a positive effect on increasing satisfaction in leisure. 5) The fun factors of marine sports- effectiveness of excercise, self-satisfaction, and family support- had a positive effect on increasing satisfaction in leisure. 6) The speculation of engagement in sports and the reinforcement of engagement had a positive effect on increasing satisfaction of leisure. 본 연구는 해양스포츠 참가자의 재미요인과 몰입 그리고 여가만족도에 미치는 영향을 알아보기 위해 부산경남지역376명을 대상으로 신뢰도 분석, 요인분석, 일원분산분석, 회귀분석을 실시하였다. 연구결과는 1) 참가기간, 시간, 빈도에 따른 재미요인에서 효율성, 운동효과, 자기만족, 가족의 지원 요인에서 참가기간, 시간, 빈도가 높은 집단이 낮은 집단보다 높은 것으로 나타났다. 2) 참가기간, 빈도에 따른 몰입도의 인지, 행위 요인에서 참가기간, 빈도, 시간이 높은 집단이 낮은 집단보다 높은 것으로 나타났다. 3) 참가기간, 빈도, 시간 따른 여가만족도의 사회적, 신체적, 정서적, 교육적 만족 요인에서 참가기간, 빈도, 시간이 높은 집단이 낮은 집단보다 높은 것으로 나타났다. 4) 해양스포츠 참가자의 재미요인의 자기만족, 운동효과, 효율성, 가족의 지원 요인은 여가만족도에 긍정적인 영향을 미친 것으로 나타났다. 5) 해양스포츠 참가자의 재미요인의 운동효과, 자기만족, 가족의 지원 요인은 여가만족도에 긍정적인 영향을 미친 것으로 나타났다. 6) 해양스포츠 참가자의 몰입도의 인지ㆍ몰입 요인은 여가만족도에 긍정적인 영향을 미친 것으로 나타났다.
웰빙사회를 위한 신국가주의 체육으로서의 생활체육의 가치
장재용(Jae Yong Jang),권오륜(Oh Ryun Kwon) 한국사회체육학회 2012 한국사회체육학회지 Vol.0 No.47
The purpose of the study was to make clear what a direction to develop physical education or sports as newnationalism physical education suitable to globalism and internationalism in the 21stcentury was. According to results of literary study, the 3rdrepublic of Korea made nationalism physical education of modern Korea by their political judgment that physical education was a good means to develop Korea and to resolve confusion with a slogan of ``physical education is national power``. And the 5threpublic of Korea of tenused sports to get justification of their government. As above, the essence of physical education has been changed by political purpose. Therefore, in physical education of new-nationalism in the present and the future, it is necessary to expand sport for all for improving quality in life and national welfare, the original purpose of physical education.