Korean J Ophthalmol.  2021 Aug;35(4):295-303. 10.3341/kjo.2021.0016.

Methodology and Rationale for Ophthalmic Examinations in the Seventh and Eighth Korea National Health and Nutrition Examination Surveys (2017–2021)

Affiliations
  • 1Department of Ophthalmology, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, Korea
  • 2Department of Ophthalmology, Soonchunhyang University Seoul Hospital, Soonchunhyang University College of Medicine, Seoul, Korea
  • 3Department of Ophthalmology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
  • 4Department of Ophthalmology, St. Vincent’s Hospital, The Catholic University of Korea College of Medicine, Suwon, Korea
  • 5Department of Ophthalmology, Seoul National University Hospital, Seoul National University College of Medicine, Seoul, Korea
  • 6Department of Ophthalmology, Chungnam National University Hospital, Daejon, Korea
  • 7Department of Ophthalmology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
  • 8Department of Ophthalmology, Ajou University Medical Center, Ajou University School of Medicine, Suwon, Korea
  • 9Department of Ophthalmology, Chosun University School of Medicine, Gwangju, Korea
  • 10Department of Ophthalmology, Pusan National University School of Medicine, Busan, Korea
  • 11Department of Ophthalmology, Jeonbuk National University Hospital, Jeonbuk National University Medical School, Jeonju, Korea
  • 12Institute of Vision Research, Department of Ophthalmology, Yonsei University College of Medicine, Seoul, Korea
  • 13Department of Ophthalmology, Haeundae Paik Hospital, Inje University College of Medicine, Busan, Korea
  • 14Department of Ophthalmology, Chonnam National University Medical School, Gwangju, Korea
  • 15Department of Ophthalmology, Seoul National University Bundang Hospital, Seoul National University College of Medicine, Seongnam, Korea
  • 16Department of Ophthalmology, Yeungnam University Hospital, Yeungnam University College of Medicine, Daegu, Korea
  • 17Department of Ophthalmology, Kyungpook National University Hospital, Kyungpook National University School of Medicine, Daegu, Korea
  • 18Department of Ophthalmology, Korea University College of Medicine, Seoul, Korea
  • 19Division of Health and Nutrition Survey and Analysis, Korea Disease Control and Prevention Agency, Cheongju, Korea

Abstract

This report provides a detailed description of the methodology for ophthalmic examinations according to the Korea National Health and Nutrition Examination Survey (KNHANES) VII and VIII (from 2017 to 2021). The KNHANES is a nationwide survey which has been performed since 1998 in representatives of whole Korean population. During the KNHANES VII and VIII, in addition to the ophthalmic questionnaire, intraocular pressure measurement, visual field test, auto refractometry, axial length and optical coherence tomography measurements were included. This new survey will provide not only provide normative and pathologic ophthalmic data including intraocular pressure, refractive error, axial length, visual field and precise measurement of anterior segment, macula and optic nerve with optical coherence tomography, but also a more accurate diagnosis for major adult blindness diseases, including age-related macular degeneration, diabetic retinopathy, glaucoma, and other ocular diseases, for the national Korean population.

Keyword

Korea National Health and Nutrition Examination Survey; Methods; Ophthalmology
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