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PURPOSE To report the incidence and the factors of consecutive esotropia (ET) in patients with immediate postoperative overcorrection of at least 17 prism diopters (PD) after surgery for intermittent exotropia (X(T)). METHODS Four-hundred-five patients under the age of 18 were included in this study. They underwent bilateral lateral rectus recession(More)
To evaluate the effect of interpupillary distance (IPD) on stereoacuity using 2 kinds of stereoacuity tests in a normal population. The distance stereoacuities of 33 healthy volunteers with no evidence of ocular diseases were measured with the Frisby Davis distance (FD2) stereotest and a 3-dimensional monitor-based distance stereotest (distance 3-D(More)
PURPOSE Watching three-dimensional (3D) images is known to induce ocular and non-ocular symptoms, such as eye discomfort, fatigue, headache, and nausea, which can be referred to as "3D asthenopia". This study investigated ophthalmic factors associated with 3D asthenopia. METHODS One hundred fifteen volunteers, aged 18 to 55 years, were enrolled in this(More)
A case of acquired Brown syndrome caused by surgical repair of medial orbital wall fracture is reported in the present paper. A 23-year-old man presented at the hospital with right periorbital trauma. Although the patient did not complain of any diplopia, the imaging study revealed a blow-out fracture of the medial orbital wall. Surgical repair with a(More)
PURPOSE To assess the correlation between central corneal thickness (CCT) and anterior scleral thickness (AST) in Korean patients with normal tension glaucoma (NTG) and primary open angle glaucoma (POAG). PATIENTS AND METHODS Consecutive patients with POAG, NTG, and normal individuals were recruited. Anterior segment optical coherence tomography (AS-OCT,(More)
PURPOSE This study was conducted to investigate the asthenopic symptoms in patients with exotropia and esotropia while watching stereoscopic 3D (S3D) television (TV). METHODS A total 77 subjects who more than 9 years of age were enrolled in this study. We divided them into three groups; Thirty-four patients with exodeviation (Exo group), 11 patients with(More)
To evaluate the effects of part-time occlusion therapy on types of intermittent exotropia and sustainability of converted types. Forty-four and 26 children with basic-type and convergence-insufficiency-type intermittent exotropia, respectively, were evaluated in this study. Upon initial examination, we obtained both distant and near deviating angles using(More)
PURPOSE To investigate the prevalence and associated risk factors of low vision and blindness in the Korean population. METHODS This cross-sectional, population-based study examined the ophthalmologic data of 22,135 Koreans aged ≥5 years from the fifth Korea National Health and Nutrition Examination Survey (KNHANES V, 2010-2012). According to the World(More)
Stereopsis or depth perception is an awareness of the distances of objects from the observer, and binocular disparity is a necessary component of recognizing objects through stereopsis. In the past studies, patients with neurodegenerative disease (Alzheimer dementia, AD; Parkinson's disease IPD) have problems of stereopsis but they did not have actual(More)