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스펙트럼영역 빛간섭단층촬영에서 발견된 황반부 국소 맥락막함몰 3예
박주홍,사공민,장우혁,Ju Hong Park,Min Sagong,Woo Hyok Chang 대한안과학회 2014 대한안과학회지 Vol.55 No.6
Purpose: To report the clinical finding of 3 patients with focal choroidal excavation in the macula detected by spectral-domain optical coherence tomography (SD-OCT). Case summary: Five eyes of 3 patients with focal choroidal excavation detected by SD-OCT were enrolled in the present study. All patients had myopia (average refractive power -5.60 diopter). Two of the 3 patients had focal choroidal excavation in both eyes. All 5 eyes revealed foveal pigmentary changes on fundus examination. The excavation area in the autofluorescence image was hypofluorescent. Fluorescein angiographic finding was normal to various degrees of hyperfluoresence. Indocyanine green angiography revealed hypofluoresence at the excavation area. The excavation involoved from the retinal pigment epithelium layer to the external limiting membrane or outer nuclear layer and average choroidal thickness at excavation were statistically thinner than the uninvolved area based on SD-OCT (p = 0.002). Retinoschisis, serous pigment epithelial detachment and choroidal neovascularziation (CNV) were detected individually in 3 eyes. The other 2 eyes had no specific abnormalities. Conclusions: During the follow-up period, the choroidal excavation remained relatively stable in 4 of 5 eyes, but CNV developed in 1 eye. Therefore, intravitreal bevacizumab injection was performed. Longer follow-up periods are necessary to determine the etiology, clinical course and visual prognosis of eyes with focal choroidal excavation. J Korean Ophthalmol Soc 2014;55(6):941-946
노동현,사공민,장우혁,Dong Hyoun Noh,Min Sagong,Woo Hyok Chang 대한안과학회 2013 대한안과학회지 Vol.54 No.1
Purpose: Vasoproliferative tumor of the retina (VPTR) is a histologically benign lesion that can lead to visual loss due to associated complications. Herein, the authors report the clinical presentation, treatment, and prognosis of 3 VPTR cases. Case summary: Three eyes of 3 patients with VPTR were enrolled in the present study. The patients’ fundoscopic feature showed characteristic elevated lesions of the peripheral retina without previous history of ocular disease. The patients included 2 males and 1 female, with an average age of 44.7 years. Fluorescein angiography (FAG) and indocyanine green angiography (ICGA) were helpful in establishing the diagnosis of VPTR. Additionally, 1 patient underwent ultrasonography and 2 patients underwent magnetic resonance imaging (MRI). During the follow-up period, subtenon triamcinolone acetonide injection was performed for 1 patient with macular edema, and cryotherapy was performed for 1 patient with increased peripheral exudation. Conclusions: For an adequate diagnosis of VPTR, careful examination of the peripheral retina is important. In addition, FAG/ICGA and ultrasonography can be helpful in VPTR diagnosis. Furthermore, proper treatment according to each subset of complication during the follow-up period is recommended.
권지민(Ji Min Kwon),박강윤(Kang Yeun Park),이재정(Jae Jung Lee),사공민(Min Sagong),김현웅(Hyun Woong Kim) 대한안과학회 2021 Korean Journal of Ophthalmology Vol.35 No.1
Purpose: To evaluate the one-year efficacy of intravitreal aflibercept injection in polypoidal choroidal vasculopathy (PCV)with best-corrected visual acuity (BCVA) of 20 / 40 or better. Methods: This was a multicenter retrospective study. The medical records of patients diagnosed with treatment-naïve PCVwere retrospectively reviewed. Patients with an initial BCVA of 20 / 40 or better and who had undergone intravitreal afliberceptinjection were included. Patients were treated with three consecutive monthly injections, followed by pro re nata regimenaccording to the clinician’s discretion at variable interval visits. The proportions of eyes for which BCVA was maintained(≤ 0.2 logarithm of the minimum angle of resolution change) or improved at 12 months were evaluated. The changes ofBCVA, central subfield macular thickness (CSMT), pigment epithelial detachment, and subretinal fluid also were assessed. Results: A total of 86 eyes were included. The mean number of injections for 12 months of treatment was 5.4 ± 1.7. BCVAwas maintained or improved in 94.2% (81 / 86) of cases. Mean BCVA (logarithm of the minimum angle of resolution)had changed from the baseline (0.23 ± 0.09) at 3 months (0.21 ± 0.14), 6 months (0.24 ± 0.22), and 12 months (0.20± 0.18), but with no statistical significance. CSMT had improved significantly from the baseline (336.1 ± 97.3 μm) at 3months (223.6 ± 47.22 μm), 6 months (239.6 ± 64.2 μm), and 12 months (223.8 ± 47.9 μm). Pigment epithelial detachmentwas observed in 93% of cases at the baseline, 72.1% at 3 months, and 69.8% at 12 months, showing a significantdecrease at all observation points. Subretinal fluid was observed in 91.9% of cases at the baseline, 20.9% at 3 months,and 29.1% at 12 months, showing a significant decrease at all observation points. Conclusions: In cases of PCV with good visual acuity, intravitreal aflibercept injections decreased CSMT and were effectivein maintaining visual acuity.
만성중심장액맥락망막병증에서 절반 에너지보다 낮은 에너지를 이용한 광역학치료의 효과
오현주,장우혁,사공민,Hyun Ju Oh,MD,Woohyok Chang,MD,PhD,Min Sagong,MD,PhD 대한안과학회 2013 대한안과학회지 Vol.54 No.7
Purpose: To investigate the safe, effective light dose for photodynamic therapy (PDT) in the treatment of chronic central serous chorioretinopathy (CSC). Methods: Thirty-eight eyes of 37 patients with chronic CSC were recruited for this study. From November 2009 to July 2010 and from April 2011 to February 2012, PDT was performed using 50% and 25% of the full light dose in 27 eyes of 27 patients (group I) and 11 eyes of 10 patients (group II), respectively. The minimum follow-up period was 6 months. Mean change in best corrected visual acuity (BCVA) and central retinal thickness, hyperpermeability change from abnormal choriocapillaris, success rate, recurrence rate, and complications were analyzed. Results: Group I showed that BCVA (log MAR) improved significantly from 0.33 ± 0.17 to 0.14 ± 0.15 at 6 months (p < 0.001). However, there was no significant improvement of BCVA (p = 0.050) in group II. One eye out of 27 eyes (3.7%) in group I and 5 eyes out of 11 eyes (45.5%) in group II showed recurrence at the 6-month follow-up (p = 0.016). After initial PDT, hyperpermeability from abnormal choriocapillaris reduced or disappeared at 95.5% in group I and 54.5% in group II at month 3 (p = 0.016). No patient in either group experienced severe adverse events. Conclusions: PDT performed with 50% of the full light dose appears to be a more useful method in the treatment of chronic CSC, with less frequent recurrence, than PDT using 25% of the full light dose.
특발성 황반원공에서 유리체절제술 후 자세에 따른 성적 비교
박재휘,장우혁,사공민,Jae Hwi Park,Woo Hyok Chang,Min Sagong 대한안과학회 2013 대한안과학회지 Vol.54 No.11
Purpose: To compare the anatomical and functional results of vitrectomy for macular hole with and without prone posture. Methods: We retrospectively reviewed the medical records of 71 eyes of 71 patients who received macular hole repair and were followed up for at least 6 months. The anatomical success, complications, and best corrected visual acuity at postoperative 6 months and last follow-up between patients who were advised to take a prone posture for 1 week (group 1) and patients who were advised to simply avoid the supine position right from the surgery (group 2) were analyzed. Subgroup division analysis according to macular hole size and concurrent phacoemulsification was performed. Results: Macular hole closure rate was 91.7% (33 of 36 eyes) in group 1 and 88.6% (31 of 35 eyes) in group 2 (p=0.710). The mean visual acuity at final follow-up increased in both groups by 4.75 ± 3.83 and 4.76 ± 2.96 lines, respectively and revealed no statistically significant difference (p = 0.988). Twenty-seven of 36 eyes (75%) in group 1 and 30 of 35 eyes (85.7%) in group 2 underwent concurrent phacoemulsification, and no difference in macular hole closure rate and visual acuity improvement between the two postures was observed. Conclusions: Favorable anatomical and functional outcomes were achieved without postoperative face-down posturing in the case of phacovitrectomy with wide internal limiting membrane peeling and gas tamponade. J Korean Ophthalmol Soc 2013;54(11):1723-1730
특발성 망막전막에서 내경계막 제거 시 인도시아닌그린 염색의 용매에 따른 수술결과 비교
김미래,박주홍,사공민,장우혁,Mi Rae Kim,Ju Hong Park,Min Sagong,Woo Hyok Chang 대한안과학회 2014 대한안과학회지 Vol.55 No.6
Purpose: This study was designed to compare the outcomes in idiopathic epiretinal membrane (ERM) surgery according to solvents of indocyanine green (ICG) for internal limiting membrane (ILM) peeling. Methods: The medical records of 27 patients (27 eyes) with idiopathic ERM who had undergone pars plana vitrectomy with ICG staining for ILM peeling were retrospectively reviewed. The patients were divided into two groups according to solvents of 0.25% ICG solutions. Solvents used were balanced salt solution (BSS) in group I (15 eyes) and 5% glucose in group II (12 eyes). The severity of ERM, the duration of symptoms, the preoperative and postoperative best corrected visual acuity (BCVA) values, the visibility of the stained ILM (Good, Fair, Poor), and the postoperative complications were compared in the two groups. Results: There was no statistically significant difference in the severity of ERM, the duration of symptoms and the preoperative BCVA in the two groups. The postoperative BCVA was significantly improved in both groups, and the difference was not statistically significant (<em>p</em> = 0.675). There was a significantly smaller number of eyes with poor ILM staining in group II than in group I (<em>p</em> = 0.014). No complications such as recurrence of ERM, atrophy of the retinal pigment epithelium (RPE) or retinal detachment were observed in the two groups. Conclusions: The higher specific gravity of 5% glucose compared with that of BSS as ICG solvents allows for improved ILM visualization. Therefore using the 5% glucose-ICG solution for staining ILM improved the visibility of ILM compared BSS-ICG solution and led to comparable visual recovery. J Korean Ophthalmol Soc 2014;55(6):847-853