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이중원,김대윤,이용길.Joong Won Lee. M.D.. Dae Yune Kim. M.D.. Yong Kil Lee. M.D. 대한안과학회 2007 대한안과학회지 Vol.48 No.2
Purpose: To report two cases of deepening of the upper lid sulcus following bimatoprost. Methods: A 54-year-old woman who used bimatoprost for one week and a 70-year-old woman who used bimatoprost for 4 months developed deep lid sulcus. Both were using bimatoprost for glaucoma treatment. Results: Both patients also showed improvement of dermatochalasis and widening of the palpebral fissure. One week after discontinuing bimatoprost, the lid sulcus of the 54-year-old returned to baseline and exophthalmometry was unchanged. The orbital CT of the 70-year-old was normal. She did not complain about deepening of the lid sulcus, and she has not discontinued treatment due to this adverse effect.
이중원,김광수,강정훈,Joong Won Lee,Kwang Su Kim,Jung Hoon Kang 대한안과학회 2008 대한안과학회지 Vol.49 No.5
Purpose: To examine the results of minimal stitch on the restoration of tissue after canalicular laceration. Methods: We have operated using sutures of tissues around canalicular laceration by inserting bicanalicular silicone stents and minimal horizontal mattress sutures with 8-0 Vicryl in cases of canalicular laceration instead of the existing method for the past 6 years. The ages of patients ranged from 2 to 76 years (average age 39.8 ±17.4 years), with most patients in their thirties (12 patients, 40%), 30 cases underwent canalicular repair with minimal stitch and bicanalicular silicone stent insertion within 24 hours after trauma. The silicone stent was removed 3 months after the operation if the patient did not complain of epiphroa while the canalicular remained open. Results: Twenty-five eyes (83.3%) showed symptom improvement and good passage in lacrimal syringing test in 4~12 months (average: 6.8±2.2 months) of follow-up study. Complications included one case each of fistula formation, stent prolapse, and wound infection, and two cases of canalicular stenosis. Conclusions: We recommend this method because of its satisfying success ratio.
고온에 노출된 콘크리트의 열 특성 계수와 열전도 특성 연구
이중원(Lee Joong-Won),최광호(Choi Kwang-Ho),홍갑표(Hong Kap-Pyo) 대한건축학회 2007 大韓建築學會論文集 : 構造系 Vol.23 No.12
When reinforced concrete is subjected to high temperature as in fire, there is deterioration in its properties such as loss in compressive strength, cracking and spalling of concrete, destruction of the bond. Therefore, to predict the exposed temperature is particularly important in order to evaluate the deterioration in damaged reinforced concrete. The objective of this study is to investigate the thermal properties and the heat transfer using a computer model which, based finite difference approach, predict the temperature distribution history in reinforced concrete subjected to fire conditions. A one-dimensional numerical model to calculate the temperatures of concrete subjected to high temperatures presented. For the purpose of use in the numerical model, the thermal properties of concrete, expressed as function of temperature, were investigated. Predictions from the numerical model are compared with experimental data. The results indicate that the model is capable of predicting the temperatures distribution of concrete and the thermal properties and water contents in concrete is considered properly in heat transfer analysis.