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Optical Coherence Tomography Angiography Changes in Patients with Central Serous Chorioretinopathy After Half-dose Photodynamic Therapy

Hyun Seung Yang, Sangkyung Choi, South Korea Background & Objective: As a standard treatment for central serous chorioretinopathy (CSC), photodynamic therapy (PDT) is believed to induce choriocapillary change and remodelling, and reduce the subretinal leakage. Thus, we quantitively analysis the change using spectral domain optical coherence tomography (OCT) and OCT angiography after half-dose PDT. Methods: This is a retrospective...

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Welder’s Retinopathy Misdiagnosed as Age-related Macular Degeneration

SCIENTIFIC POSTER Welder’s Retinopathy Misdiagnosed as Age-related Macular Degeneration by Hyun Seung Yang, South Korea ABSTRACT Background & Objective: Age-related macular degeneration (AMD) is the most common cause of blindness in developed countriey. However, photic retinal injury also can have characteristics similar to those of AMD, including drusen, retinal pigment epithelial changes, geographic atrophy, and accumulation of...

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Should an Intraocular Metallic Foreign Body Embedded in the Macula Area be Removed?

ABSTRACT Background & Objective: As a general rule, removal of an intraocular foreign body (IOFB) is recommended at the time of repair of the entry site, because the inflammation caused by the IOFB can make surgical removal more difficult later. This is especially true in the case of metal foreign objects. However, if the foreign body is positioned near the macula, there is a high possibility of macular damage during its removal. We...

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Peripapillary RNFL and Retinal Edema Change After Photocoagulation or Anti-VEGF Injection in Diabetic Retinopathy: Misinterpretation of Peripapillary RNFL Thickness and its Adjustment Using New RNFL Thickness / Retinal Thickness Index

Peripapillary RNFL and Retinal Edema Change After Photocoagulation or Anti-VEGF Injection in Diabetic Retinopathy: Misinterpretation of Peripapillary RNFL Thickness and its Adjustment Using New RNFL Thickness / Retinal Thickness Index SCIENTIFIC POSTER Peripapillary RNFL and Retinal Edema Change After Photocoagulation or Anti-VEGF Injection in Diabetic Retinopathy by Hyun Seung Yang, South Korea ABSTRACT Objective: To investigates the...

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Quantitative Analysis of Neural Tissues Around the Optic Disc After Panretinal Photocoagulation in Patients with Diabetic Retinopathy

Quantitative Analysis of Neural Tissues Around the Optic Disc After Panretinal Photocoagulation in Patients with Diabetic Retinopathy SCIENTIFIC POSTER Quantitative Analysis of Neural Tissues Around the Optic Disc After Panretinal Photocoagulation in Patients with Diabetic Retinopathy by June Gone Kim, Hyun Seung Yang, South Korea ABSTRACT Intoduction: In this retrospective cross-sectional study, we quantitatively analyzed the tomographic...

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In Vivo IOP Monitoring During Microincision PPV With or Without an Active Intraocular Pressure Control System

We have studied in vivo IOP fluctuation during the vitrectomy with or without an active intraocular pressure control system. Both systems are still imperfect during the high intraocular pressure procedures. However, during hypotony procedures, constelletion was quite stable. In addition, using cuttling on mode, non-valved cannular and/or vent system, the IOP can be somewhat controlled. Objective: To compare the in vivo intraocular...

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High Systolic Blood Pressure is Related to Macular Edema in Diabetic Patients

http://www.dailymotion.com/video/xudq1s Advantages: Systolic blood pressure control might reduce macular edema in diabetic patients. Methods: Medical records of 378 patients who were hospitalized in Asan Medical Center from November 1st, 2007 to June 1st, 2011 were reviewed retrospectively. All the patients were diagnosed as non-proliferative diabetic retinopathy and were tested with Stratus optical coherence tomography (OCT) for macular...

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Combined Treatment with Sub-tenon Injection of Triamcinolone and Intravitreal Anti-VEGF Injection in Refractory Neovascular ARMD

Advantages: Combined treatment with sub-Tenon’s injection of triamcinolone and intravitreal anti-VEGF injection has beneficial effect in improving visual acuity and anatomic outcomes in refractory neovascular AMD patients. Methods: Seven eyes of 7 patients with refractory neovascular age-related macular degeneration (AMD) secondary to polypoidal choroidal vasculopathy (PCV) were enrolled. Refractory PCV was defined as no response of...

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The Effect of Preplaced Suture on Postoperative Transient Hypotony After Pars Plana Silicone Oil Removal

Advantages: According to the latest report, postoperative transient hypotony after silicone oil removal was 39.3%. We reduced this incidence to about 5%, using preplaced suture. Methods: We retrospectively reviewed the medical records of patients who underwent pars plana silicone oil removal between January 2005 and June 2011. The changes of intraocular pressure (IOP) after surgery were recorded. Transient hypotony was defined as an IOP...

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Correlation Between Subfoveal Chroidal Thickness and Stage of Diabetic Retinopathy

Correlation Between Subfoveal Chroidal Thickness and Stage of Diabetic Retinopathy Jee Taek Kim Advantages: This study demonstrates differences in choroidal thickness according to DMR stage and DME type. Methods: Medical records of patients who were diagnosed with diabetic retinopathy between March and October 2011 were reviewed, retrospectively. Choroidal thickness was measured using enhanced-depth imaging optical coherence...

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A Case of Purtscher-like Retinopathy Associated with Coil Embolization of a Middle Cerebral Artery Aneurysm

Advantages: To report a case of Purtscher-like retinopathy and its atypical changes following coil embolisation of the middle cerebral artery (MCA) aneurysm. Methods: Case presentation. Effectiveness / Safety: A 53-year-old female with history of coil embolisation in her left MCA aneurysm presented with a visual disturbance. Her left eye vision was 20/40. Fundus examination of the left eye showed an intraretinal haemorrhage and multiple...

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