한국임상보건과학회지 (Journal of Korean Clinical Health Science)

한국임상보건과학회 (The Korean Society of Clinical Health Science)
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소프트콘택트렌즈 재질에 따른 눈물막 파괴시간과 고위수차의 비교

Comparison of tear film break-up time and high order aberration according to soft contact lens material

  • 김봉환 (춘해보건대학교 안경광학과) ;
  • 한선희 (춘해보건대학교 안경광학과) ;
  • 김학준 (춘해보건대학교 안경광학과) ;
  • 배상아 (춘해보건대학교 안경광학과) ;
  • 손유진 (춘해보건대학교 안경광학과) ;
  • 김지현 (춘해보건대학교 안경광학과) ;
  • 김현지 (춘해보건대학교 안경광학과)
  • Kim, Bong-Hwan (Department of Optometry, Choonhae College of Health Sciences) ;
  • Han, Sun-Hee (Department of Optometry, Choonhae College of Health Sciences) ;
  • Kim, Hak-Jun (Department of Optometry, Choonhae College of Health Sciences) ;
  • Bae, Sang-A (Department of Optometry, Choonhae College of Health Sciences) ;
  • Son, Yu-Jin (Department of Optometry, Choonhae College of Health Sciences) ;
  • Kim, Ji-Hyun (Department of Optometry, Choonhae College of Health Sciences) ;
  • KIm, Hyun-Ji (Department of Optometry, Choonhae College of Health Sciences)
  • 투고 : 2019.03.02
  • 심사 : 2019.04.20
  • 발행 : 2019.06.30
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초록

Purpose. In this study, two types of soft contact lenses with different materials were selected to compare the time of tear film destruction and high order aberrations before and after wearing. Methods. Thirty patients (60 eyes) in their 20s were included in this study. Two lenses with different materials, Group 4 (Etafilcon A) and Group 5 (Narafilcon A) were selected. Using aberration analyzer and keratometry, high-order aberration and tear film test (NIF-BUT, NIAvg-BUT) were performed before and after wearing. Results. When comparing the higher aberrations of the Etafilcon A and Narafilcon A lenses, the higher aberrations of the Narafilcon A lens were higher overall. For the initial tear film break-up time (NIF-BUT) after wearing, the Etafilcon A lens was reduced by 4.0 seconds and the Narafilcon A lens increased by 0.6 seconds. For the mean tear film break-up time (NIAvg-BUT) after wearing, the Etafilcon A lens decreased by 2.4 seconds and the Narafilcon A lens increased by 1.7 seconds. Conclusions. NIF-BUT and NIAvg-BUT of Narafilcon A lens were increased. The lens with relatively low water content and higher oxygen permeability than the lens with high water content has relatively less tear evaporation, which means that the time of destruction of the tear film is increased.

키워드

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Fig. 1. Comparison of High order aberration.

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Fig. 2. Comparing tear film break-up time before and after wearing A lens.

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Fig. 3. Comparing tear film break-up time before and after wearing B lens.

Table 1. Subject Characteristics.

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