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- W2000950445 abstract "목적: 최근 보고된 Lee-Ryan Eye-Hand Coordination(EHC) Test를 이용하여 정상안의 인위적 시력저하가 눈-손 협응능력(EHC)에 미치는 영향을 알아보고자 하였다. 방법: 정상시력을 가진 성인 11명(<TEX>$29.46{pm}5.94$</TEX>세)을 대상으로 비우위안에 볼록렌즈를 가입하여 인위적으로 근거리 약시 상태를 만들어 EHC를 검사하였고, 2주 후 정상 시력상태에서 다시 검사를 하였다. EHC를 알아보기 위해 Lee-Ryan EHC Test의 각기 다른 난이도의 7가지 모양을 선택하여 총 소요시간과 에러 횟수를 EHC의 분석 요소로 비교 분석하였다. 결과: 총 소요시간에서는 인위적으로 시력 저하된 눈이 정상 단안 시력보다 더 많은 시간을 소비하였고(p=0.013), 양안시 상태에서는 오히려 정상안 상태보다 저하된 시력을 가지고 더 빨리 검사를 끝마쳤다(p=0.001). 에러 횟수에서는 소요시간과 같이 저하된 시력이 더 많은 실수를 하였으나(p<0.001), 인위적으로 저하된 시력을 가진 상태에서 단안과 양안시의 차이는 보이지 않았다. 결론: 기존의 EHC 방법들이 갖고 있는 적용하는데 있어서의 한계들과 달리 간단한 컴퓨터 시스템을 기반으로 한 Lee-Ryan EHC Test로도 EHC의 이상(deficit)을 관찰 할 수 있었다. 후에 약시와 같은 시력저하에 관련된 분야에 더 많은 연구가 이루어 질 것으로 사료된다. Purpose: The aim of this study was to explore the effect of artificially decreased eye in normal vision on eye-hand coordination (EHC) when using the Lee-Ryan Eye-Hand Coordination Test recently reported. Methods: Eleven adults with normal vision aged <TEX>$29.46{pm}5.94$</TEX> years participated for this study where a non-dominant eye artificially induced moderate refractive amblyopic vision at near by adding a plus lens conducted EHC tasks and then did the test again under normal vision following 2 weeks. To investigate the ability of EHC, 7 tasks including individually different level of difficulty in the Lee-Ryan EHC Test were selected to compare and analyze EHC in terms of two independent variables such as time taken and the number of errors. Results: In time taken, subjects with artificially decreased vision took more time than normal vision under monocular conditions (p=0.013), while those with the decreased vision completed their tasks faster than normal vision under binocular conditions (p=0.001). In the number of errors, subjects with the decreased vision made more mistakes (p<0.001) as shown in time taken, whereas there was no difference between monocular and binocular viewing conditions in the decreased vision. Conclusions: Unlike previous EHC tests including limitations for application, deficit in EHC can be screened by the Lee-Ryan EHC Test developed based on simple computer-based system. Therefore, it is considered that further studies relevant to deficits in visual function such as amblyopia will be carried out in clinics as well as research." @default.
- W2000950445 created "2016-06-24" @default.
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- W2000950445 date "2014-09-30" @default.
- W2000950445 modified "2023-10-18" @default.
- W2000950445 title "Effect of Artificially Decreased Visual Acuity upon Eye-Hand Coordination using Lee-Ryan Eye-Hand Coordination Test" @default.
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- W2000950445 doi "https://doi.org/10.14479/jkoos.2014.19.3.371" @default.
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