July 2019
Volume 60, Issue 9
Open Access
ARVO Annual Meeting Abstract  |   July 2019
Utility values for central vision with unilateral and bilateral ocular conditions for Korean population
Author Affiliations & Notes
  • Young Joo Park
    Department of Ophthalmology, SMG - SNU Boramae Medical Center, Seongnam, Korea (the Republic of)
  • Youngmi Park
    Medical Research Collaborating Center, Seoul National University Bundang Hospital, Korea (the Republic of)
  • Soyeon Ahn
    Medical Research Collaborating Center, Seoul National University Bundang Hospital, Korea (the Republic of)
  • Seong Jun Byun
    Department of Ophthalmology, SMG - SNU Boramae Medical Center, Seongnam, Korea (the Republic of)
  • Sang Jun Park
    Department of Ophthalmology, SMG - SNU Boramae Medical Center, Seongnam, Korea (the Republic of)
  • Footnotes
    Commercial Relationships   Young Joo Park, None; Youngmi Park, None; Soyeon Ahn, None; Seong Jun Byun, None; Sang Jun Park, None
  • Footnotes
    Support  None
Investigative Ophthalmology & Visual Science July 2019, Vol.60, 4464. doi:
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      Young Joo Park, Youngmi Park, Soyeon Ahn, Seong Jun Byun, Sang Jun Park; Utility values for central vision with unilateral and bilateral ocular conditions for Korean population. Invest. Ophthalmol. Vis. Sci. 2019;60(9):4464.

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

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Abstract

Purpose : To identify utility values associated with unilateral and bilateral ocular conditions for Korean population

Methods : A total of 28359 participants representing civilian, non-institutionalized Korean population were included from the Korean National Health and Nutrition Examination Survey from 2008 to 2012. An association between Korean version of EuroQol-5D-3L and central vision of unilateral and bilateral ocular conditions were explored by calculating utility values. The utility values were modeled by weighted regression analysis and the robustness was determined by R-square value.

Results : The mean utility value for logMAR 0.0 (20/20, Snellen equivalent) of the better-seeing eye’s visual acuity (BEVA) was 0.9655, and the values were gradually decreased to 0.7800 at the logMAR 0.4 (20/50) of BEVA. The mean utility values from logMAR 0.5 (20/63) to logMAR 1.0 (20/200) were variable. The best fit model by weighted regression analysis was determined as 2nd-order regression equation with R-square value 0.0865. The utility values according to the difference between BEVA and worse-seeing eye’s visual acuity (WEVA) did not largely differ from the utility values accoding to BEVA in the logMAR 0 (20/20) to logMAR 0.2 (20/32) of BEVA, or in logMAR 0.9 (20/160) to logMAR 1.0 (20/200) of BEVA, although there was a variety of distribution in utility values according to the difference between BEVA and WEVA in logMAR 0.3 (20/40) to logMAR 0.8 (20/125). Interaction tendency of the chronic disease state on the association of BEVA and quality of life was shown as graphs.

Conclusions : These utilities can be used for calculating quality-adjusted life-year gains in cost-utility analysis. BEVA is a important determinant for quality of life, but WEVA can affect the quality of life in logMAR 0.3 (20/40) to logMAR 0.8 (20/125) of BEVA.

This abstract was presented at the 2019 ARVO Annual Meeting, held in Vancouver, Canada, April 28 - May 2, 2019.

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