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Japanese

Eye Accommodation when Looking into Microscope (Instrumental Myopia of Microscope I : Eye Accommodation under Various Conditions Tadashi Shimojima 1 1Olympus Optical Co. Ltd. pp.985-990
Published Date 1967/8/15
DOI https://doi.org/10.11477/mf.1410203713
  • Abstract
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A quantitative determination of instrumental-myopia induced by looking into microscope was conducted on 100 emmetropic persons be-tween 20 to 40 years of age. As shown in Table 1, the induced instrument myopia ave-raged -2.5 diopters in younger age groups around 20 and -1.4 diopters in older groups around 40. The induced myopia was signifi-cantly greater when focusing adjustment was conducted from the minus side than from the plus side of the instrument. Above difference as well as scattering of accommodative values decreased when looking into the microscope binocularly than when monocularly.


Copyright © 1967, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1308 印刷版ISSN 0370-5579 医学書院

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