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코눈물관 막힘의 치료로 삽입된 실리콘관의 안구측 이탈시 재위치 방법
박준정,신동수,홍승표,이규원,Joon Jeong Park,Dong Su Shin,Sungpyo Hong,Kyoo Won Lee 대한안과학회 2005 대한안과학회지 Vol.46 No.1
Purpose: To introduce a new surgical management for the prolapsed silicone tube into the ocular surface which was inserted for treatment of nasolacrimal duct obstruction. Methods: Five eyes of 179 eyes treated with silicone tube intubation for nasolacrimal duct obstruction from May to December 2003 had a prolapsed silicone tube during the follow-up period. After local anesthesia, a Ritleng probe was inserted into the nasolacrimal duct. A polypropylene thread was passed into the Ritleng probe, and after removal of the probe, the thread was tied to a prolapsed silicone tube near a punctum and was pulled through the nose. The silicone tube was repositioned in the nasolacrimal duct. Results: All the prolapsed silicone tubes were successfully repositioned without any significant complications. Conclusions: It is difficult to reposition a prolapsed silicone tube after silicone tube intubation for the treatment of nasolacrimal duct obstruction. We introduced an easy and effective method to reposition the prolapsed silicone tube.
성인의 코눈물관 막힘에서 두 가닥의 실리콘관 삽입술의 효과
박준정,신동수,홍승표,이규원,Joon-Jeong Park,Dong-Su Shin,Sung-Pyo Hong,Kyoo-Won Lee 대한안과학회 2005 대한안과학회지 Vol.46 No.12
Purpose: To evaluate the effectiveness of double silicone tube intubation in the treatment of nasolacrimal duct (NLD) obstruction in adults. Methods: We treated 159 eyes of 159 patients with NLD obstruction. The resolution of preoperative symptoms and signs of NLD obstruction was evaluated two months after the removal of the silicone tubes. Results: The mean age of patients was 57.9 years and the mean follow-up period was 8.5 months. The symptoms and signs of NLD obstruction were reduced in 85.6% of the patients. The partially obstructed group showed a higher lacrimal patency rate (93.0%) than the completely obstructed NLD group (82.7%). There was no discomfort due to the double silicone tubes. There was a punctal slit in 13 eyes, prolapse of silicone tubes to ocular side in 5 eyes and 3 eyes had punctum to punctum adhesion after the procedure. Conclusions: Double silicone tube intubation is an effective therapy in adults with NLD obstruction, especially for those with partially obstructed NLD. Indications were seen that these tubes keep greater dilatation of the NLD.
개방각녹내장 환자에서 아르곤레이저 섬유주성형술과 선택적 레이저 섬유주성형술의 임상효과 비교
박준정,이종욱,이규원,Joon Jeong Park,Jong Wook Lee,Kyoo Won Lee 대한안과학회 2008 대한안과학회지 Vol.49 No.9
Purpose: To compare the clinical outcomes between patients undergoing argon laser trabeculoplasty (ALT) and those undergoing selective laser trabeculoplasty (SLT). Methods: Sixty-one eyes of 61 patients with primary open-angle glaucoma who were treated with more than 1 kind of antiglaucoma medication eye drop were enrolled in this study. Thirty-five eyes of 35 patients were treated with argon laser trabeculoplasty (ALT). Twenty-six eyes of 26 patients were treated with selective laser trabeculoplasty (SLT). The mean IOP at 1, 3, 6, and 12 months and the success rate of treatment at the 12-month follow-up period were evaluated in all patients. Results: At 12 months postoperative, the ALT group had a mean IOP of 16.53±2.58 mmHg with a mean IOP reduction of 35.27%, while the SLT group had a mean IOP of 18.40±5.61 mmHg with a mean IOP reduction of 17.37%. The success rates of treatment defined as definition 1 were 62.85% in ALT and 62.50% in SLT, and the success rates defined as definition 2 were 51.42% in ALT and 46.15% in SLT. Conclusions: There were no significant differences in the IOP lowering effect or success rates between the ALT and SLT patients at 12 months postoperatively. J Korean Ophthalmol Soc 2008;49(9):1491-1500
정보보호 : 조직의 실시간 보안관리 체계 확립을 위한 "인터페이스 보안" 강화에 대한 연구
박준정 ( Joon Jeong Park ),김소라 ( So Ra Kim ),안수현 ( Soo Hyun Ahn ),임채호 ( Chae Ho Lim ),김광조 ( Kwang Jo Kim ) 한국정보처리학회 2015 정보처리학회논문지. 컴퓨터 및 통신시스템 Vol.4 No.5
특정 보안 기술만으로는 나날이 치밀해지는 공격을 방어할 수 없기 때문에 ISMS(Information Security Management System) 등 다양한 보안관리 모델 등이 적용되고 있지만, 너무 많은 항목에 대한 일반적인 보안관리 방안을 제시하고 있어 취약점이 높은 부분에 집중하지 못하는 단점이 있다. 최근 수년간 우리 사회에 막대한 피해를 입힌 주요 정보 및 기밀 유출 관련 사건을 분석한 결과, 공격자는 주로 이메일, 웹 서버, 휴대용 저장매체, 외주업체 직원 등 조직의 내부와 외부를 연결해주는 통로인 ``인터페이스(interface)`` 취약점을 이용하였음을 발견하였다. 이를 통해 우리는 보안에 투자해야 할 시간과 자원이 제한되는 현실을 고려하여 공격자가 악용할 가능성이 높은 인터페이스에 대한 현재 보안 실태를 적시한 후 관리적·기술적·물리적 측면을 융합한 보안대책을 제시하고, 해당 인터페이스에 대한 중점적이고 지속적인 관리(continuous management)를 통해 투자 비용 대비 효과적으로 조직의 실시간 보안관리를 가능하게 하는 체계를 제안하고자 한다. Because the specific security technology alone can not cope with sophisticated attacks, various security management models are applied. But, they do not focus on the vulnerability of the highest part because they offer so many common security management criteria. By analyzing the main information and confidential leakage cases inflicting enormous damage to our society, we found that attackers are using mainly an interface vulnerabilities - the paths that connect the internal and external of the organization, such as e-mail, web server, portable devices, and subcontractor employees. Considering the reality that time and resources to invest in security domain are limited, we point out the interface security vulnerabilities the possibility of attackers to exploit and present a convergence method of security measures. Finally, based of ROI(Return on Investment), we propose the real-time security management system through the intensive and continuous management.
장기간의 연성 콘택트렌즈 착용이 각막두께, 각막곡률 및 각막내피세포에 미치는 영향
박영정,이광자,박준정,정병진,이규원,Young-Jeung Park,Gwang-Ja Lee,Joon-Jeong Park,Byung-Jin Jeong,Kyoo-Won Lee 대한안과학회 2005 대한안과학회지 Vol.46 No.6
Purpose: To investigate the effects of long-term contact lens (CL) wearing on corneal thickness, curvature, and endothelium. Methods: Using ultrasonic pachymetry, Orbscan topography and specular microscopy, we evaluated the cornea of 53 subjects who had used soft CL for more than 5 years compared with 47 controls who had never used CL. Results: There was a significant decrease of central corneal thickness in CL wearers. The difference of central corneal thickness between the two groups was 16.39 ?m. The percentage of central corneal thickness less than 500 ?m was 24.5% in the CL wearers and 12.2% in the controls. The mean corneal thickness of the CL wearers in the center and eight peripheral areas, as measured with Orbscan topography, was significantly reduced by about 7.28 to 17.87 ?m compared with that of the controls. The corneal curvature and elevation were significantly steeper in the CL wearers than in the controls but no difference in the mean corneal astigmatism was found between the two groups. Endothelial density and percentage of hexagonal cells were decreased and the coefficient of cell area variation was increased in the CL wearers compared to the controls. The percentage of endothelial cell densities less than 2500 cells/mm2 was 24.5% in the CL wearers and 4.25% in the controls. Conclusions: Long-term soft contact lens use may have a significant effect on corneal thickness, curvatures and endothelial morphology.