The prevalence and risk factors for pterygium in South Korea: the Korea National Health and Nutrition Examination Survey (KNHANES) 2009-2010.

Objectives: To determine the prevalence and risk factors for pterygium in the adult Korean population of South Korea.

Methods: Data were analyzed from 9,193 participants who were 40 years of age or older from the Korea National Health and Nutrition Examination Survey (KNHANES), conducted from 2009 to 2010. Standardized slit-lamp examinations were performed by study ophthalmologists to examine the anterior segment for evidence of pterygium.

Prevalence of eye diseases in South Korea: data from the Korea National Health and Nutrition Examination Survey 2008-2009.

Purpose: The aim of this study is to report on preliminary data regarding the prevalence of major eye diseases in Korea.

Methods: We obtained data from the Korea National Health and Nutrition Examination Survey, a nation-wide cross-sectional survey and examinations of the non-institutionalized civilian population in South Korea (n = 14,606), conducted from July 2008 to December 2009. Field survey teams included an ophthalmologist, nurses, and interviewers, traveled with a mobile examination unit and performed interviews and ophthalmologic examinations.

Aqueous vascular endothelial growth factor levels are associated with serous macular detachment secondary to branch retinal vein occlusion.

Purpose: The purpose of this study was to determine whether aqueous levels of vascular endothelial growth factor (VEGF) and pigment epithelium-derived factor (PEDF) are associated with developments of serous retinal detachment (SRD) secondary to branch retinal vein occlusion.

Methods: We recruited 102 patients with branch retinal vein occlusion and 10 controls. We divided patients into two groups according to optical coherence tomography images of the macula.