A5044410040- Retinal and Macular Surgery
- Intraocular Surgery and Lenses
- Retinal Diseases and Treatments
- Glaucoma and retinal disorders
- Retinal and Optic Conditions
- Retinal Imaging and Analysis
- Ocular Infections and Treatments
- Corneal surgery and disorders
- Vascular Malformations Diagnosis and Treatment
- Ocular Surface and Contact Lens
- Retinal Development and Disorders
- Ophthalmology and Visual Impairment Studies
- Botulinum Toxin and Related Neurological Disorders
- Ocular Diseases and Behçet’s Syndrome
- Facial Nerve Paralysis Treatment and Research
- Facial Rejuvenation and Surgery Techniques
- Retinopathy of Prematurity Studies
- Traumatic Ocular and Foreign Body Injuries
- Bariatric Surgery and Outcomes
- Drug-Induced Ocular Toxicity
- Intraoperative Neuromonitoring and Anesthetic Effects
- Ocular Oncology and Treatments
- Corneal Surgery and Treatments
- Intracranial Aneurysms: Treatment and Complications
- Cerebral Venous Sinus Thrombosis
Soonchunhyang University Hospital
2015-2024
University of California, San Diego
2020
Soonchunhyang University
2007-2019
Ophthalmology Associates (United States)
2015
Bucheon St. Mary's Hospital
2014
Catholic University of Korea
2014
Novem (Netherlands)
2009
<h3>Importance</h3> Iatrogenic occlusion of the ophthalmic artery and its branches is a rare but devastating complication cosmetic facial filler injections. <h3>Objective</h3> To investigate clinical angiographic features iatrogenic caused by <h3>Design, Setting, Participants</h3> Data from 44 patients with after injections were obtained retrospectively national survey completed members Korean Retina Society 27 retinal centers. Clinical compared between grouped findings injected material....
Purpose: To evaluate preoperative factors influencing the visual outcome and postoperative associated with changes in acuity, after reattachment surgery to treat macula-off rhegmatogenous retinal detachment. Methods: A total of 180 eyes patients who underwent detachment, were followed up for more than 12 months, reviewed retrospectively. Preoperative characteristics, including optical coherence tomography findings, comprehensively analyzed using univariate multivariate models best-corrected...
Sir:FigureThere are various complications, including hypersensitivity reaction, ecchymosis, contour abnormalities, inflammation, and necrosis, that occur after filler injection.1 Among other things, blindness is a rare but devastating complication of cosmetic injection the face. There several reports following injections materials, corticosteroids, paraffin, silicone oil, hyaluronic acid, calcium hydroxyapatite.2 However, to best our knowledge, bilateral has not been previously reported with...
The present study aimed to analyze the temporal changes in prevalence, screening rate, visual impairments and treatment patterns of diabetic retinopathy Korean population over 8 years.This was a retrospective population-based national health insurance beneficiaries aged 30 years or older with type 2 diabetes, obtained from National Health Insurance Claims database 2006 2013 (n = 1,655,495 2,720,777 2013). annual prevalence rates retinopathy, dilated fundus examinations, impairment, laser...
Two patients complained of blurred vision approximately 6 months after having combined vitrectomy and phacoemulsification with implantation a C-flex 570C hydrophilic acrylic intraocular lens (IOL). Multiple granules were noted on the anterior surface IOLs in both patients. Intraocular exchange was performed eyes, explanted sent for histopathological analysis. Scanning electron microscopy confirmed presence cracks IOL surfaces energy-dispersive x-ray spectroscopy demonstrated calcium...
To determine long-term surgical findings and outcomes after vitrectomy for symptomatic lamellar macular holes.This is a retrospective, consecutive, interventional case series. Sixteen patients (31 eyes) with holes central visual loss participated in the study. All underwent 3-port pars plana membranectomy and/or internal limiting membrane peeling gas tamponade under care of one author. Best-corrected acuity optical coherence tomography appearance were determined preoperatively...
Purpose: To evaluate therapeutic effects and usefulness of a combination treatment intravitreal injection triamcinolone acetonide (IVTA) panretinal photocoagulation (PRP) in patients with clinically significant macular edema secondary to proliferative diabetic retinopathy (PDR).Methods: Visual acuity test, fundoscopy, fluorescein angiography, optical coherence tomography (OCT) were taken 20 (20 eyes) PDR.A PRP was performed 10 (10 focal or grid laser photocoaqulation the remaining eyes.The...
To assess the changes in diabetic retinopathy (DR) Type 2 diabetes (T2DM) patients after bariatric surgery.Consecutive 20 with T2DM who underwent surgery and were followed for at least 12 months enrolled. The case history was reviewed retrospectively, laboratory data assessed baseline every 3 postoperatively. Two retinal specialists evaluated severity of DR dilated fundus examination preoperatively Factors associated progression assessed.During follow-up period, without mild nonproliferative...
We aimed to quantify the displacement of macular capillaries using infrared fundus photographs and image processing software (ImageJ) in patients with idiopathic epiretinal membrane (ERM) who have undergone vitrectomy analyze correlation between vessel retinal thickness.This prospective study included 16 underwent for ERM. Ophthalmic examination optical coherence tomography (OCT) were performed before 3 months after surgery. The length radial segment each area (VLA) from foveola branching...
This report provides a detailed description of the methodology for ophthalmic examinations according to Korea National Health and Nutrition Examination Survey (KNHANES) VII VIII (from 2017 2021). The KNHANES is nationwide survey which has been performed since 1998 in representatives whole Korean population. During VIII, addition questionnaire, intraocular pressure measurement, visual field test, auto refractometry, axial length optical coherence tomography measurements were included. new...
To report the accuracy of intraocular lens (IOL) power estimation in eyes that have undergone phacovitrectomy for retinal diseases with accompanying macular oedema.A retrospective study was conducted 23 patients at Soonchunhyang University Hospital, Seoul, Korea. The relationship between preoperative planned refraction and postoperative achieved evaluated by simple linear regression analysis. Pre- thicknesses were measured using optical coherence tomography (OCT). estimated IOL ultrasound...
To evaluate the clinical outcomes of intraocular lens (IOL) exchange in patients with an opacified ACRL-C160 using optic-only removal technique.Department Ophthalmology, Soonchunhyang University Hospital, Seoul, Korea.The study comprised eyes previous phacoemulsification and implantation a single-piece hydrophilic acrylic IOL capsular bag subsequent development severe late opacification IOL. In all eyes, optic was explanted; any haptic firm adhesions left bag. This followed by placement new...
Scleral fixation of a foldable intraocular lens (IOL) was performed in 17 eyes patients using new small incision technique with injector implantation. All were implanted hydrophobic acrylic three-piece IOL, either phacoemulsification surgery or secondarily. No cases intraoperative postoperative complications observed. The operation time required for scleral only less than 30 minutes all cases. IOLs self-sealing tunnel and minimizes hypotony related such as suprachoroidal hemorrhage....
To measure fluctuations in infusion pressure and intraocular (IOP) during vitrectomy performed using a flow-based IOP control system.Using 3 vitrectomized porcine eyes, the authors simultaneously measured vitreous cutting aspiration after extraction of operative instruments 23-gauge 25-gauge system. The measurements were with "IOP control" setting turned on or off. efficacy valved cannula built-in limit" module attenuation fluctuation was evaluated.At set 30 mmHg 60 mmHg, mean levels 43.7...
Purpose: This study compared serum vascular endothelial growth factor (VEGF) concentration between patients given the bilateral and unilateral intravitreal injections of bevacizumab.Methods: In a prospective manner, VEGF levels in treatment-naive with age-related macular degeneration who underwent or bevacizumab were investigated.After informed consent, peripheral blood was collected from injection before 1 month after injection.Serum measured by enzyme-linked immunosorbent assay...
The authors investigated the surgical outcomes of massive subretinal hemorrhage draining via a retinotomy procedure in bullous hemorrhagic retinal detachment (HRD).Clinical records consecutive patients with age-related macular degeneration who underwent surgery for HRD were reviewed. Outcomes included anatomical success, visual acuity, and postoperative complications.Seventeen eyes 17 this series. Of eyes, 8 had total 9 half inferior including macula. mean interval between initial symptom...
Objectives To estimate the costs and healthcare resources of patients with diabetic macular oedema (DME) who received intravitreal antivascular endothelial growth factor (anti-VEGF) agents or a dexamethasone implant (DEX-implant) in Korea. Design Retrospective cohort study. Setting The Korean National Health Insurance claim data from 1 January 2015 to 30 June 2017 were retrieved Review Assessment Service. Participants Adult DME diagnosed retinopathy ranibizumab, aflibercept DEX-implant...
We describe the surgical technique of using an illuminated infusion chandelier for cataract extraction in patients with absent red reflex due to vitreous hemorrhage. A 23-gauge was used 6 consecutive (6 eyes) who underwent combined surgery: phacoemulsification and sutureless vitrectomy. During surgery, light from enhance better visualize lens structure capsule. Continuous curvilinear capsulorhexis were successfully performed. Capsular polishing also performed safely easily. The posterior...
Purpose: To compare the infusion pressure shown by a vitrectomy device with actual intraocular (IOP) observed during pars plana vitrectomy. Furthermore, we evaluated effects of variable parameters on IOP surgery.
Proliferative vitreoretinopathy (PVR) is a significant threat for vision recovery from retinal detachment or ocular trauma. Currently, no approved pharmacological intervention to prevent PVR. Daunorubicin (DNR) and dexamethasone (DEX) were sequentially loaded into oxidized porous silicon (pSiO2) particles by covalent conjugation. The DNR + DEX-loaded particles, control with only DEX incubated RPE-populated collagen daily gel surface quantitation. Toxicity was monitored ophthalmic...
Purpose: To compare the shape and self-sealing nature of scleral incision sites according to bevel trocar blade direction in 23-gauge microincisional vitrectomy surgery.Methods: Twenty-three-gauge vitrectomies were performed 60 eyes using a single-step entry system (Alcon Surgical, USA) two-step Eckardt (DORC, Netherlands). Trocar cannula inserted blades bevel-up (20 eyes) or bevel-down eyes). In 20 eyes, trocars after sclerotomies microvitreoretinal (MVR) blade. After removing cannula, we...