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사위에서 습관적인 머리위치의 평가

An Evaluation of Habitual Head Posture in Phoria

  • Ha, Eun-Mi (Dept. of Optometry and Vision Science, Kyungwoon University) ;
  • Son, Jeong-Sik (Dept. of Optometry and Vision Science, Kyungwoon University) ;
  • Yu, Dong-Sik (Dept. of Optometry and Vision Science, Kyungwoon University)
  • 투고 : 2013.07.31
  • 심사 : 2013.09.14
  • 발행 : 2013.09.30

초록

목적: 머리위치와 사위의 관련성, 습관적인 머리위치 평가의 유용성을 평가하고자 하였다. 방법: 무작위 참여자 중 사위가 있는 22명(남자 20명, 여자 2명, 평균나이 $23.6{\pm}2.7$세)을 대상으로 하였다. 모든 대상자는 문진, 차폐검사, 굴절검사, 사위 및 융합여력검사를 실시하였다. 습관적인 머리위치(머리기울임과 얼굴돌림)는 Impression IST에 의한 타각적 측정과 검사자에 의한 주관적 관찰로 평가하였다. 결과: 사위가 있는 대상자에서 습관적인 머리위치가 드러날 수 있다는 것을 확인할 수 있었다. 프리즘 처방이 필요한 15명의 대상자에서 원거리 사위도와 얼굴돌림에서 유의한 Spearman 상관관계를 보였다($\rho$ = 0.524, p = 0.045). 사위 이상 대상자에서 머리위치와 사위도의 상관성은 없었다. 타각적 측정과 자각적 관찰의 상관성은 없었으나 타각적 측정은 정밀하고 자각적 관찰은 판별력이 있는 방법으로 평가되었다. 결론: 사위에서 이상두위 현상이 나타났으며, 이러한 결과들은 사위에서 모든 주 주시방향에서 습관적인 머리위치를 관찰할 필요가 있음을 암시한다.

Purpose: The purpose of this study was to evaluate whether a relationship exists between head posture and phoria, and usefulness in examining habitual head posture. Methods: Twenty two subjects (20 males and 2 females, mean age $23.6{\pm}2.7$ years) with abnormal phoria from participants randomized were enrolled in this study. For all subjects, testing included case history, cover test, refraction, phoria and vergence test. Habitual head posture (head posture, head tilt and face turn) was measured by Impression IST, and observed by examiners. Results: The abnormal head posture was revealed in some subjects with abnormal phoria. Spearman' correlation ($\rho$=0.524, p=0.045) showed significant correction between face turn and phoria at distance in 15 subjects with prism prescription. No significant relationship between head posture and phoria was found in subjects with abnormal phoria. The objective measurement and subjective observation of head posture showed insignificant correction but there was a distinct difference. The former was detail and the latter was discriminate. Conclusions: Presence of abnormal head posture was found in phoric subjects. The results indicate the need to observe habitual head posture at all major positions of gaze in phoria.

키워드

참고문헌

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피인용 문헌

  1. Research on Visual Function Before and After Prescription of Vertical Prism vol.20, pp.2, 2015, https://doi.org/10.14479/jkoos.2015.20.2.229