한국안광학회지 (Journal of Korean Ophthalmic Optics Society)

한국안광학회 (The Korean Ophthalmic Optics Society)
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안경 안면각 변화에 대한 임상적 고찰

Clinical Evaluation on Variation of Face Form Angle of Eyewear

  • 고다영 (대구가톨릭대학교 안경광학과) ;
  • 김기홍 (대구가톨릭대학교 안경광학과) ;
  • 이동희 (극동대학교 안경광학과)
  • Ko, Da-young (Dept. of Optometry & Vision Science, Catholic University of Daegu) ;
  • Kim, Ki-hong (Dept. of Optometry & Vision Science, Catholic University of Daegu) ;
  • Lee, Dong-Hee (Dept. of Visual Optics, Far East University)
  • 투고 : 2015.11.05
  • 심사 : 2015.12.16
  • 발행 : 2015.12.31
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초록

목적: 안경테의 안면각의 크기 변화가 시력 및 시기능에 미치는 영향을 알아보고자 하였다. 방법: 안면각이 $25^{\circ}$ 와 $5^{\circ}$인 검안테를 각각 착용하여 시력, 대비감도, 사위 및 입체시를 측정하였고, 자각적 증상은 설문조사를 하였다. 여기에는 안질환이 없는 성인 30명(남자 14명, 여자 16명, 평균연령 $25.46{\pm}3.9$세)이, 굴절이상자는 완전교정 한 후, 실험의 대상자로 참여하였다. 결과: 안면각이 $5^{\circ}$일 때 보다 $25^{\circ}$일 때 시력과 대비감도가 감소하였고, 사위도는 내사위 방향으로 증가하는 경향을 보였다. 입체시는 안면각이 $5^{\circ}$일 때 보다 $25^{\circ}$일 때 유의하게 감소하였다. 또한 안면각이 큰 경우, 대상자들의 굴절이상도가 높을수록 글자가 흐리거나 어지럽거나 눈이 아프다는 등의 자각적 증상의 증가가 심해지는 것을 보여주는데 이는 두 요소가 서로 통계적으로 유의한 상관관계가 있는 것을 나타낸다. 결론: 안면각이 큰 경우 시력과 대비감도 및 입체시가 감소하고 사위도는 내사위 방향으로 증가하는 것을 알 수 있었으며, 이러한 안면각의 변화가 시력과 시기능에 영향을 미칠 수 있음을 보여준다.

Purpose: This study was investigated to evaluate the effect of the variation of the face form angle(FFA) of spectacle frame on the visual acuity and the visual function. Methods: The visual acuity, the contrast sensitivity, the stereopsis, and the phoria were measured with the spectacle frame whose the FFA is at $5^{\circ}$ and $25^{\circ}$ and the surveys were conducted on subjective symptoms. Here, 30 adults (14 men and 16 women, average age:$25.46{\pm}3.9$), who did not have ocular diseases and were fully corrected in case of having had refractive error, were to act as experimental subjects for this measurement. Results: The visual acuity and the contrast sensitivity was decreased and the phoria was tended to increase to the esophoria direction at the FFA $25^{\circ}$ than at the FFA $5^{\circ}$. The stereopsis was significantly reduced at the FFA $25^{\circ}$ than at the FFA $5^{\circ}$. Also when the FFA was larger, the higher the degree of refractive error was, the more the increase of the subjective symptoms such as being blurred characters, being disturbed head, and having sore eyes was, which reveals a statistically significant correlation between them. Conclusions: If the FFA increases, the visual acuity, the contrast sensitivity and the stereopsis was found to decrease and the phoria to increase to the esophoria direction. Therefore it shows that the variation of the FFA of spectacle frame can influence the visual acuity and the visual function.

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피인용 문헌

  1. 안면부 여과식 방진 마스크와 안경 동시 착용 시 상호 영향 vol.33, pp.1, 2015, https://doi.org/10.14346/jkosos.2018.33.1.47
  2. Change of Refraction while Viewing through the Periphery of Spectacle Lens vol.20, pp.2, 2015, https://doi.org/10.17337/jmbi.2018.20.2.137
  3. Analysis on Physical Deformation and Subjective Discomfort of Spectacle Lens vol.22, pp.2, 2020, https://doi.org/10.17337/jmbi.2020.22.2.173
  4. Simulation of power distribution in prescription sunglasses using the coordinate transformation method vol.4, pp.11, 2021, https://doi.org/10.1364/osac.440481