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Ultrasound phacoemulsification and aspiration using the S-tip Masahiro Osako 1 , Machiko Takada 1 , Senko Osako 1 , Kazuya Tachibana 1 , Tadashi Okano 1 1Dept of Ophthalmol, Tokyo Med Univ Kasumigaura Hosp pp.1485-1489
Published Date 1999/7/15
DOI https://doi.org/10.11477/mf.1410906478
  • Abstract
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We reviewed a series of 369 eyes which underwent cataract surgery by phacoemulsification and aspiration using Venturi pump apparatus. Normal tip (N-tip) was used in 191 eyes and small tip (S-tip) was used in 178 eyes. The power output, duration of application and total energy of ultrasound tended to be larger in eyes with hard nucleus when graded after the classification of Emery. These parameters were also larger in eyes treated by the S-tip than by the N-tip. There was no significant difference in the rate of corneal endothtelial cell reduction between the two groups. The prolonged ultrasonic time when using the S-tip for cataracts with hard nucleus appeared to be due to its small aspiration hole.


Copyright © 1999, 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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