Jaemoon Ahn

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BACKGROUND Numerous surgical techniques of silicone tube intubation in congenital nasolacrimal duct obstruction (CNLDO) have been described; these techniques can be divided into monocanalicular intubation (MCI) and bicanalicular intubation (BCI). The aim of this study was to compare the clinical effectiveness of MCI versus BCI of CNLDO. METHODS In a(More)
We aimed to compare changes in subfoveal and peripapillary choroidal thickness (CT) after intravitreal aflibercept or ranibizumab injections for neovascular age-related macular degeneration (AMD). Medical records of 54 treatment-naïve, consecutive patients (54 eyes) who were diagnosed with neovascular AMD and received three monthly injections of aflibercept(More)
BACKGROUNDS We report successful outcomes of monocanalicularnasal intubation with Monoka tubes and endoscopic findings for Hasner valve area. This method is presented as a primary treatment modality in congenital nasolacrimal duct obstruction (CNLDO) with an enlarged lacrimal sac and chronic dacryocystitis. METHODS In a prospective noncomparative(More)
BACKGROUNDS Blow-out fracture and canalicular laceration can occur simultaneously as a result of the same trauma. Despite its importance, little research has been conducted to identify clinical characteristics or surgical techniques for repair of a blow-out fracture accompanied by canalicular laceration. The aim of this study was to evaluate the clinical(More)
Purpose The purpose of this study was to investigate the relationship between the ocular perfusion pressure (OPP) and subfoveal choroidal thickness (CT) in eyes with early age-related macular degeneration (AMD) with or without reticular pseudodrusen (RPD). Methods We evaluated the clinical history, blood pressure parameters, fundus photography, and(More)
OBJECTIVE To evaluate the relationship between cantho-limbal distance and the degree of head turn in Koreans. DESIGN Prospective cross-sectional study. PARTICIPANTS Thirty patients without strabismus or nystagmus who had visited an ophthalmic clinic at a single medical center were included in the study. METHODS The distance between the lateral canthus(More)
To compare postoperative cornea endothelial cell loss between combined phacovitrectomy and pars plana vitrectomy (PPV) with fragmentation. Eighty-eight consecutive patients (92 eyes) who underwent combined phacovitrectomy (53 eyes from 50 patients) or PPV with fragmentation (39 eyes from 38 patients) were enrolled in this retrospective study. Endothelial(More)
To present characteristics of choriocapillaris layer imaging with swept-source optical coherence tomography angiography (SS-OCTA) in eyes with macular hole (MH). Patients with MH were included. Vascular density of choriocapillaris (VDC) and central flow void areas were obtained using SS-OCTA. Data were compared with age- and gender-matched normal controls.(More)
BACKGROUND/AIMS To identify risk factors of recurrence of macular oedema in branch retinal vein occlusion (BRVO) after intravitreal bevacizumab (IVB) injection. METHODS The records of 63 patients who underwent IVB injection for macular oedema secondary to BRVO with at least 6 months of follow-up were reviewed. Patients were evaluated at baseline with(More)
BACKGROUND AND OBJECTIVE To evaluate the usefulness of a 20-gauge cannula to maintain a self-sealing sclerotomy wound after 23-gauge phacofragmentation. PATIENTS AND METHODS This retrospective study compared the suture rates after 23-gauge phacofragmentation when the 23-gauge cannula was temporarily replaced with a 20-gauge valved metal cannula versus(More)