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A Study on the Prescription of Size Lens for Myopic Aniseikonia

근시성 부등상시의 등상시 렌즈 처방에 관한 고찰

  • Kwon, Young-Seok (Dept. of Optometry & Vision Science, Catholic University of Daegu) ;
  • Kim, Ki-Hong (Dept. of Optometry & Vision Science, Catholic University of Daegu) ;
  • Lee, Hyun-Mee (Dept. of Optometry & Vision Science, Catholic University of Daegu) ;
  • Chu, Byoung-Sun (Dept. of Optometry & Vision Science, Catholic University of Daegu) ;
  • Kwon, Yun-Kyung (Dept. of Ophthalmic Optics, DongKang College)
  • 권영석 (대구가톨릭대학교 안경광학과) ;
  • 김기홍 (대구가톨릭대학교 안경광학과) ;
  • 이현미 (대구가톨릭대학교 안경광학과) ;
  • 추병선 (대구가톨릭대학교 안경광학과) ;
  • 권윤경 (동강대학교 안경광학과)
  • Received : 2013.10.31
  • Accepted : 2013.12.14
  • Published : 2013.12.31

Abstract

Purpose: The aims of this study were to investigate the stereoacuity and subjective symptoms of aniseikonia with prescription of the size lens. Methods: Participants were myopic anisometropia patients with the binocular refraction difference between 1.75 D~3.50 D. Inclusion criteria of participants were no ocular pathology, no amblyopia, more than 1.0 of corrected visual acuity. With fully corrected spectacles and a correction with the size lens, Awaya aniseikonia test and Randot Stereo test were conducted respectively. In addition, subjective symptoms were also examined using questionnaire. Results: As the anisometropia increased, the aniseikonia increased. Under the anisometropia with same refractive correction was different for each individual. The prescription of size lens caused less aniseikonia than the general prescription of glasses. In addition, prescription of the size lens improved stereoacuity and relieved the symptoms of asthenopia. Conclusions: The prescription of size lens that can correct aniseikonia with prescription of glasses can improve stereoacuity and reduced asthenopia.

목적: 부등상시의 교정은 좌우 망막상의 크기를 같게 하는 것이다. 본 연구는 부등상시의 등상시 렌즈 처방에 의한 입체시 능력과 자각적인 증상에 대하여 알아보고자 하였다. 방법: 안질환이 없고 약시가 진행되지 않은 교정시력 1.0 이상의 근시성 부등시 환자 중에 양안 굴절도 차이가 1.75~3.50 D 대상으로 양안 완전교정 상태에서 일반적인 안경처방과 부등상시를 교정할 수 있는 등상시 렌즈처방을 통해 Awaya' aniseikonia test통해 부등상시도 검사와 Randot stereo test 통해 양안시 최종 목적인 입체시 검사를 실시하였고, 자각적인 증상에 대한 설문을 실시하였다. 결과: 부등시가 증가할수록 안경교정으로 발생한 부등상시는 증가하는 것으로 나타났고, 같은 굴절양의 부등시에서도 부등상시도의 차이는 개인에 따라 다르게 나타났다. 등상시 렌즈 처방이 일반적인 안경처방보다 더 작은 부등상시를 유발 하였고, 입체시는 향상되는 것으로 나타났으며, 안정피로는 개선되는 것으로 나타났다. 결론: 부등시의 안경처방 시 부등상시를 교정할 수 있는 등상시 렌즈처방을 통해 입체시 향상과 함께 부등상시성 안정피로를 줄일 수 있음을 알 수 있었다.

Keywords

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  1. An Evaluation of Clinical Performance on the Aniseikonia Corrective Spectacles vol.20, pp.3, 2018, https://doi.org/10.17337/jmbi.2018.20.3.327
  2. Comparative Analysis of Aniseikonia caused by Various kinds of Spectacles vol.21, pp.2, 2013, https://doi.org/10.17337/jmbi.2019.21.2.227