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Ocular hypotensive effects by rotation of topical beta-blocker preparations Junichi Umihira 1 , Kazuto Miyanaga 1 , Noboru Fujisawa 1 , Yukio Satou 2 , Katsuzou Segawa 2 1Dept of Ophthalmol. Hokushin General Hosp. 2Dept of Ophthalmol. Shinshu Univ Sch of Med. pp.991-994
Published Date 1990/7/15
DOI https://doi.org/10.11477/mf.1410900247
  • Abstract
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We evaluated the relative efficacy of three beta-blocker ophthalmic solutions in 111 eyes with glau-coma or ocular hypertension. After the patients were treated by topical instillation of either timolol, befunolol or carteolol, the medication was switched to another of the three. The switching of medication totalled 204 times in the series.

During 4 months after switching, the intraocularpressure significantly decreased at an overall evalu-ation. The hypotensive effect was more marked after switching from befunolol to timolol, from carteolol to timolol, and from timolol to befunolol.

The hypotensive effect after switching was sig-nificantly correlated with the level of intraocular pressure at the time of switching and with the age of patient. The effect was also influenced by sex of the patient. type of glaucoma and parallel use of pilocarpine. The observed hypotensive effect after switching from one beta-blocker to another appear-ed to be influenced more by these background factors than difference of the preparation.


Copyright © 1990, 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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