April 2010
Volume 51, Issue 13
Free
ARVO Annual Meeting Abstract  |   April 2010
Prevalence of Myopic Macular Degeneration in a Japanese Population : The Hisayama Study
Author Affiliations & Notes
  • T. Asakuma
    Department of Ophthalmology,
    Kyushu University, Fukuoka City, Japan
  • M. Yasuda
    Department of Ophthalmology,
    Kyushu University, Fukuoka City, Japan
  • S. Arakawa
    Department of Ophthalmology,
    Kyushu University, Fukuoka City, Japan
  • Y. Noda
    Department of Ophthalmology,
    Kyushu University, Fukuoka City, Japan
  • K. Ohno-Matsui
    Department of Ophthalmology and Visual Science, Tokyo Medical and Dental University, Tokyo, Japan
  • Y. Kiyohara
    Department of Environmental Medicine,
    Kyushu University, Fukuoka City, Japan
  • M. Iida
    Department of Medicine and Clinical Science,
    Kyushu University, Fukuoka City, Japan
  • T. Ishibashi
    Department of Ophthalmology,
    Kyushu University, Fukuoka City, Japan
  • Footnotes
    Commercial Relationships  T. Asakuma, None; M. Yasuda, None; S. Arakawa, None; Y. Noda, None; K. Ohno-Matsui, None; Y. Kiyohara, None; M. Iida, None; T. Ishibashi, None.
  • Footnotes
    Support  None.
Investigative Ophthalmology & Visual Science April 2010, Vol.51, 1703. doi:https://doi.org/
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    • Get Citation

      T. Asakuma, M. Yasuda, S. Arakawa, Y. Noda, K. Ohno-Matsui, Y. Kiyohara, M. Iida, T. Ishibashi; Prevalence of Myopic Macular Degeneration in a Japanese Population : The Hisayama Study. Invest. Ophthalmol. Vis. Sci. 2010;51(13):1703. doi: https://doi.org/.

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      © ARVO (1962-2015); The Authors (2016-present)

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Abstract

Purpose: : We examined the prevalence of myopic macular degeneration in a Japanese population.

Methods: : In 2005, a cross-sectional population-based survey was conducted among residents of Hisayama, Japan. A total of 1,913 residents aged 40 years or older consented to participate in this ophthalmic study. Each participant underwent ophthalmic examinations, including measurements of refractive error and axial lengths, and color fundus photography. Of those, 1,890 subjects who have obtained adequate data were enrolled in the present study. Pathologic myopia was defined as a spherical equivalent < -8.0 diopters or an axial length ≥ 26.5mm. Myopic retinopathy was determined based on the grading of color fundus photographs. Myopic retinopathy was defined as the presence of tessellated fundus, diffuse chorioretinal atrophy, patchy chorioretinal atrophy, lacquer cracks, or myopic macular degeneration (choroidal neovascularization:CNV or macular atrophy).

Results: : Of the subjects, 107 (5.7%) had pathologic myopia and 97 (5.1%) with pathologic myopia had myopic retinopathy. The prevalence of myopic macular degeneration (CNV or macular atrophy) was 0.3%.

Conclusions: : The prevalence of myopic macular degeneration was 0.3% and that of myopic retinopathy was 5.1% in a Japanese population.

Keywords: clinical (human) or epidemiologic studies: prevalence/incidence • myopia • macula/fovea 
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