Changes in ocular surface caused by antiglaucomatous eyedrops: Prospective, randomised study for the comparison of 0.5% timolol v 0.12% unoprostone

J. Shimazaki, K. Hanada, Y. Yagi, J. Yamagami, M. Ishioka, S. Shimmura, K. Tsubota

研究成果: Article

41 引用 (Scopus)

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Aim-To study changes induced in ocular surface epithelia and the tear film by antiglaucomatous eyedrops. A β blocker (0.5% timolol) and a novel prostaglandin F(2α) metabolite related drug (0.12% unoprostone) were examined in a prospective, randomised fashion. Methods-40 patients were randomly assigned to use either 0.5% timolol (timolol group) or 0.12% unoprostone eyedrops (unoprostone group) twice a day for 24 weeks. In addition to routine ocular examinations, corneal epithelial integrity (vital staining tests, tear film break up time (BUT), anterior fluorometry, specular microscopy) and tear function (Schirmer's test, cotton thread test, tear clearance test (TCT)) were examined before and after the treatment. Results-Both eyedrops caused significant reduction in intraocular pressure from the baseline levels. No significant changes were noted in corneal integrity in both groups, except a decrease in BUT at 20 weeks in the timolol group. The timolol group demonstrated significant decreases in Schirmer's test, tear clearance test, and tear function index (Schirmer's test value multiplied by clearance test); however, no such changes were noted in the unoprostone group. Conclusion-While unoprostone eyedrops caused no adverse effects on the corneal epithelial integrity and tear function, timolol caused significant impairments in tear production and turnover.

元の言語English
ページ(範囲)1250-1254
ページ数5
ジャーナルBritish Journal of Ophthalmology
84
発行部数11
DOI
出版物ステータスPublished - 2000

ASJC Scopus subject areas

  • Ophthalmology
  • Sensory Systems
  • Cellular and Molecular Neuroscience

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