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Klin Monbl Augenheilkd. 1991 Aug;199(2):75-8.

[Modification of tear film break-up time by beta blocker eyedrops without preservatives].

[Article in German]

Author information

1
Universit├Ąts-Augenklinik Ulm.

Abstract

Traditional beta-blocking eye drops preserved with benzalkonium chloride show an adverse effect on the precorneal tear film, which can be measured by checking the break-up-time (BUT). To decide, whether this adverse effect is caused more by the beta-blocking drug or the preservative, we tested the influence of timolol eye drops without preservative in single dose units Timosine) on the BUT in a prospective, open study. These eyedrops caused no significant shortening of the BUT in persons, which where untreated before. Patients using preserved beta-blocking eye drops and having irritations of their eyes showed significant prolongation of the BUT after changing the therapy to Timosine. Preservative-free beta-blocking eye drops are a real improvement in the therapy of glaucoma patients with irritated eyes.

PMID:
1960936
DOI:
10.1055/s-2008-1046051
[Indexed for MEDLINE]

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