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다공성 폴리에틸렌 안와삽입물 노출 환자에서 4직근 전방이동술의 효과
정우진,신동민,안희배,Woo Jin Jeung,Dong Min Shin,Hee Bae Ahn 대한안과학회 2007 대한안과학회지 Vol.48 No.11
Purpose: To investigate the effects of anterior displacement of four rectus muscles in exposure of porous polyethylene orbital implant (Medpor?). Case summary: This retrospective study reviewed 4 eyes with exposed orbital implant who underwent evisceration with porous polyethylene orbital implant (Medpor?). The technique involves dissection of conjunctiva and tenon`s capsule and isolation of four rectus muscles from sclera. Unsure if each muscle was sutured to each other or if a group of muscles were sutured to another group (i.e. superior and inferior to medial and lateral). Posterior tenon`s capsule was closed interruptedly and conjunctiva was closed continuously. Orbital implant exposure was occurred at 2~36 months later after evisceration and implant insertion. One eye was noted wound dehiscence 1 week after operation, then re-suture was done. Re-exposure was notified in 1 eye at postoperative 3 months, but it was small, then we just observed. In other 3 cases, exposure was not identified till last follow up. Conclusions: Four rectus muscle anterior displacement procedure may be simple and useful method in exposure of orbital implant.
정상, 고안압증, 녹내장 의증, 녹내장안에서 매트릭스 시야계와 험프리 표준 자동 시야계간의 결과 비교
천현철,정우진,노세현,Hyun Chul Cheon,M,D,Woo Jin Jeung,M,D,Sae Heun Rho,M,D 대한안과학회 2007 대한안과학회지 Vol.48 No.5
Purpose: To study the correlation between the Humphrey standard automated perimetry (SAP) and the Humphrey Matrix Frequency Doubling Technology (FDT) perimetry and diagnostic usefulness of the Humphrey Matrix FDT perimetry. Methods: This study included 170 eyes of 170 patients. The 170 eyes were classified into 50 normal eyes, 20 ocular hypertensive eyes, 50 glaucoma-suspect eyes and 50 glaucomatous eyes. All subjects were examined with the Humphrey Matrix perimetry and the Humphrey standard automated perimetry. We studied the correlations between mean deviation (MD) and pattern standard deviation(PSD) of the Humphrey SAP and those of the Humphrey Matrix perimetry, respectively, in each of the classified group. Results: Overall, MD and PSD of the Humphrey SAP were significantly correlated with MD and PSD of the Humphrey Matrix perimetry, respectively. However, MD and PSD of the Humphrey Matrix perimetry were not showed a significant correlation in normal subjects (P>0.05). Conclusions: In this study, there were significant correlations between the MD and PSD of the SAP and those of the Humphrey Matrix perimetry in glaucoma, glaucoma-suspect and ocular hypertension. These finding suggests the Humphrey Matrix perimetry has performance characteristics similar to SAP and diagnostic value.
우정민,정우진,박우찬,Jung Min Woo,Woo Jin Jeung,Woo Chan Park 대한안과학회 2006 대한안과학회지 Vol.47 No.5
Purpose: The purpose of this study was to investigate the phenotype of conjunctival epithelial cells auto-cultivated in vivo on human amniotic membrane (CIVAMs) in rabbits for ocular surface reconstruction. Methods: A fornix based-conjunctival flap 8 mm in diameter was made in 12 eyes of rabbits. Amniotic membrane was implanted into the conjunctival defects. Rabbit conjunctival epithelial cells were cultivated in vivo on amniotic membrane for a week. A frozen section was made of the excised specimen. To investigate the phenotype of CIVAMs, Hematoxylin-eosin staining, immunohistochemical staining to anti-MUC5AC (monoclonal antibody to conjunctival goblet cell mucin), and transmission electron microscopy were performed. Results: In 11 of 12 eyes, conjunctival epithelial cells grew successfully on amniotic membrane. Light microscopy demonstrated two to three layers of cuboidal epithelial cells and two to three layers of stratified epithelial cells in CIVAMs. CIVAMs exhibited non-goblet epithelial differentiation as determined by immunohistochemistry to anti-MUC5AC. Transmission electron microscopy of CIVAMs showed fine structure similar to that of normal conjunctival epithelial cells. Conclusions: CIVAMs showed morphological findings similar to normal conjunctival epithelial cells and are expected to accomplish more rapid reconjunctivalization than simple amniotic membrane transplantation. We expect that CIVAMs will be adopted in treating conjunctival burn, symblepharon, conjunctiva-scleral ulcer, and filtering bleb leakage with conjunctival defects.
신동민,정우진,안희배,Dong Min Shin,M,D,Woo Jin Jeung,M,D,Hee Bae Ahn,M,D 대한안과학회 2008 대한안과학회지 Vol.49 No.1
`Purpose: To evaluate the effect of unilateral blepharoptosis repair on contralateral eyelid position. Methods: The medical records of 39 patients who had undergone unilateral blepharoptosis repair were reviewed for preoperative and postoperative margin reflex distance (MRD). Results: Of the 39 patients, 28 (71.8%) had congenital ptosis and 11 (28.2%) revealed acquired ptosis. Twenty-two (56.4%) patients were male and 17 (43.6%) were female. Ages ranged from 3 to 55 years (mean 15.3±20.1 years). After unilateral blepharoptosis repair, the postoperative mean (±SD) change in MRD of nonoperated eye was -0.3±0.7 mm at week one, -0.3±0.6 mm at three months, and -0.2±0.7 mm at six months. Conclusions: After unilateral blepharoptosis repair, 35.9% of patients had a decrease in contralateral eyelid height at postoperative 3 months and amount of decrease was 0.2±0.7 mm.`
파스칼 레이저를 이용한 국소 및 격자 레이저 광응고술의 치료 효과
박재관,정우진.Jae Kwan Park. MD. Woo Jin Jeung. MD 대한안과학회 2011 대한안과학회지 Vol.52 No.2
Purpose: To investigate the effect of focal and grid pattern PASCAL photocoagulation treatment in diabetic macular edema patients. Methods: A total of 72 patients (75 eyes) who were diagnosed as diabetic macular edema were retrospectively analyzed. The patients were divided into 3 groups as follows: group 1 (31 patients, 31 eyes) received an intravitreal bevacizumab injection, group 2 (17 patients, 20 eyes) underwent focal and grid pattern PASCAL photocoagulation treatment, and group 3 (24 patients, 24 eyes) underwent focal and grid pattern argon photocoagulation treatment. Macular thickness and visual acuity (logMAR) of 75 eyes were compared among groups before and after treatments. Results: Visual acuity improved in 13 eyes (65.0%) in group 1, 16 eyes (51.6%) in group 2, and in 10 eyes (41.6%) in group 3; however, there was no statistical significance. Macular thickness reduction occurred in 24 eyes (77.4%) in group 1 and 13 eyes (65.0%) in group 2 which were statistically significant decreases at only 1 month after treatment (p < 0.05). Conclusions: Focal and grid pattern PASCAL photocoagulation is a good therapeutic option for diabetic macular edema. Focal and grid pattern PASCAL photocoagulation is as effective as intravitreal bevacizumab injection or focal and grid pattern argon photocoagulation treatment. J Korean Ophthalmol Soc 2011;52(2):197-202
전산화단층촬영을 이용한 아래 눈꺼풀 및 눈꺼풀 내 구조의 연령별 위치 변화에 대한 분석
류원열,고병욱,정우진,안희배,Won Yeol Ryu,Byung Uk Ko,Woo Jin Jeung,Hee Bae Ahn 대한안과학회 2010 대한안과학회지 Vol.51 No.11
Purpose: The anatomic relationships of the lower lid and soft tissue between younger and older groups were compared using CT scans for confirming the negative vector relationship in the Korean population. Methods: The study sample was composed of 100 patients with no history of previous surgery and no ocular disease. Two groups of 100 patients, younger (less than 30 years of age) versus older (above 50 years of age), were studied using CT scans. The distances from the anterior cornea to the lower lid fat, inferior orbital rim and anterior cheek mass were measured at the midpupillary plane. Results: The mean age of the younger group was 22.0 years (ages 14 through 29), compared with 60.6 years (ages 53 thru 73) for the older group. Comparison of mean linear measurements revealed an anterior movement of the lower lid fat between younger and older groups (-5.09 mm vs. -3.50 mm, respectively, P < 0.01). A regression of the inferior orbital rim (-6.93 mm vs. -8.98 mm, P < 0.01) and anterior cheek mass (3.07 mm vs. 0.43 mm, P < 0.01) was observed with age in the sagittal cross section view. Conclusions: The present study demonstrates the orbital remodeling according to age in the Korean population. Because the negative vector is more common in the elderly and portends a greater risk for lower lid complications after surgery, surgeons need to consider the orbital remodeling according to age before surgery. J Korean Ophthalmol Soc 2010;51(11):1427-1430
군날개 수술 전후의 각막형태검사기와 파면수차계를 이용한 난시벡터분석 및 고위수차의 변화
권상민,이동준,정우진,박우찬,Sang Min Kwon,Dong Joon Lee,Woo Jin Jeung,Woo Chan Park 대한안과학회 2008 대한안과학회지 Vol.49 No.11
Purpose: To determine the power vector and aberrations before and after surgery for pterygium using a corneal topographer and a wavefront aberrometer. Methods: The study group consisted of 34 eyes of 31 patients with pterygium, and were divided into two groups by pterygium size (< 3 mm, group I ≥ 3 mm, group II). Power vector and wavefront aberrations were evaluated using a corneal topographer (Oculus inc., Germany) and a wavefront aberrometer (LADARWAVEⓇ, Hartmann shack aberrometer, Alcon inc., US) at pre- and postoperative 1 week, 1 month, and 3 months. Results: The preoperative blurring strength (B) and high order aberrations significantly decreased at postoperative 3 months in all groups (P<0.05). Power vector scattergraphs showed the cluster of points gathered around the zero point in group I, but not in group II at postoperative month three. The change rates of high order aberrations were significantly greater in group I than in group II in the preoperative period compared to the postoperative first week period. Conclusions: Improvements of the power vector and high order aberrations were more remarkable in group I (< 3 mm) than in group II (≥ 3 mm). To reduce aberrations and astigmatism effectively, we suggested surgical intervention in eyes with pterygia sized < 3.0 mm. J Korean Ophthalmol Soc 2008;49(11):1737-1745