저시력 아동의 보행 오류에 관한 연구
A Study on Travel Errors of Children with Low Vision
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본 연구는 저시력 아동의 보행 오류에 대한 연구로써 구체적으로 저시력 보행의 효율성 요인과 저시력 보행의 오류 유형에 대해서 살펴보았다. 본 연구를 통한 결론을 제시하면 다음과 같다.첫째, 저시력 보행의 효율성 연구는 크게 시력의 제한이 보행 효율성에 미치는 영향과 보행 효율성 요인에 관한 연구로 나누어 살펴보았는데, 먼저 시력의 제한이 보행 효율성에 미치는 영향으로는 선천성 저시력 혹은 유아기 때 저시력이 되면 낮은 수준의 운동과 개념 발달을 가져와 보행과 관련한 다양한 요인들을 종합적으로 이해할 수 있는 능력에 제한을 받아 보행 효율성에 문제를 가지게 되며, 저시력 아동 및 성인은 보행과 관련한 제 요소인 시야, 대비감도, 시력 등에 의해 보행 시간, 랜드마크 활용, 보행 오류 등이 영향을 받게 되어 보행 효율성을 저하시키는 것으로 요약할 수 있다. 다음으로 보행 효율성에 영향을 미치는 요인에 관한 연구에서는 저시력인의 시기능과 보행 효율성 간의 관계는 복잡하다고 할 수 있으나 시야와 공간 대비 감도와 보행 사이에는 높은 상관관계가 있으며, 그 외에 잔존시력도 보행 효율성에 어느 정도 영향을 미친다고 할 수 있다.둘째, 저시력 보행의 오류 유형에는 충돌 오류, 심도 지각 오류, 교차로 보행 및 도로횡단 오류, 조명과 반사에 의한 오류, 기타 시야 협착으로 인한 순응 오류 등을 들 수 있다.
Abstract
This research into travel errors of children with low vision focuses on factors of low vision travel efficiency and low vision travel errors. The conclusion of this research is outlined as follows. First, the research into the efficiency of low-vision travel focuses on the influence of the limited vision on efficiency of travel, and factors of travel efficiency. First, with regard to the influence of the limited vision on efficiency of travel, innate low vision or low vision formed during infancy causes the sufferer to have a low-level activity and concept development, limiting his ability of comprehensively understanding diverse factors related to travel and lowering the efficiency of travel. Likewise, with low vision children and adults, affected adversely are various travel-related factors such as visibility, sense of contrast, and vision, leading to a lengthened travel time, a difficulty of using landmarks, and travel errors, and thus lowering the efficiency of travel. Next, with regard to the research into factors influencing the efficiency of travel, the relationship between the vision function and travel efficiency with low-vision people is considered complicated, but there is a great correlation between visibility, sense of spatial contrast, and travel, and also the remaining vision is deemed to have somewhat effects on efficiency of travel. Second, low-vision-caused travel errors include error-caused collision, error of depth perception, error of travel at a crossroads and crossing streets, lighting and reflection-caused error, and error of adaptation due to narrow vision
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