• Title/Summary/Keyword: far-sightedness

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An Analysis on Conceptual Sequence and Representations of Eye Vision in Korean Science Textbooks and a Suggestion of Contents Construct Considering Conceptual Sequence in the Eye Vision (초 . 중등학교 과학 교과서에서의 시각(eye vision) 개념의 연계성과 표현 방식 분석 및 연계성을 고려한 시각 개념 구성의 한 가지 제안)

  • Kim, Young-Min
    • Journal of The Korean Association For Science Education
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    • v.27 no.5
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    • pp.456-464
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    • 2007
  • The aims of this research are to analyze the representations and conceptual sequence of eye vision in Korean science textbooks and to suggest a contents construct about eye vision where the conceptual sequence is considered. Research method was literature review, and the literatures that were used for analysis were the 7th Korean science curriculum which was revised in 1997, and the science and physics textbooks developed based on the 7th Korean science curriculum. The research results are as follows: 1) Although the science curriculum seems to have no problem on sequence in the eye vision concepts, the science and physics textbooks based on the curriculum reveal problems on the sequence in the eye vision concepts; 2) Some Korean science textbooks explain retinal image formation according to the Alhazen's idea, except in inverse image; 3) Some Korean science textbooks explain about the reasons of near- and far-sightedness without consistency between the textbooks for 7th and 8th grade students; 4) A few Korean science textbooks give an inappropriate explanation about the principle of eye sight correction by eye glasses; 5) According to the analysis result, the concepts related to eye vision should be presented in the order of explanation about light refraction phenomena, image formation process by convex lens, structure of human eye and retinal image formation process, correction of eye sight using lens.