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Histology of rust ring of the cornea Minoru Matsubara 1 , Muneyoshi Yoshida 2 , Noboru Masuko 3 1Matsubara Eye Clin 2Fac of Health Sci,Hyogo Univ 3Dept of Metallurgical Engineering,Chiba Inst of Tech pp.1957-1960
Published Date 2004/10/15
DOI https://doi.org/10.11477/mf.1410100767
  • Abstract
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 We examined corneal rust ring obtained from 18 eyes of iron foreign body of the cornea. Specimens were observed by a light microscope after staining by hematoxylin-eosine and Peal stain. The rust ring showed different findings according to its location:superficial,epithelium,basement membrane,Bowman's layer,or anterior stroma. Observed findings agreed well with the following electrochemical hypothesis of ours. Iron piece on the cornea functions as differential aeration cell after coming in contact with the tear fluid. Sodium hydroxide forms at the cathode and melts the corneal epithelium like a cylinder,the basement membrane like a disc,the Bowman's layer like an inverse concave disc,and the anterior stroma like a cylinder. The lytic corneal components leave precipitates of iron hydroxide as corneal rust ring.


Copyright © 2004, 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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