Effect on Tear Functions of Pretarsal and Preseptal Techniques of Botulinum Toxin Type A Injection in Hemifacial Spasm

Summary

The purpose of this study is to determine whether pretarsal and preseptal techniques of Botulinum toxin type A injection have any effect on tear functions.

Timeline

Start

2012-04

Primary completion

2012-09

Completion

2012-12

Publications

• Results Price J, O'Day J. A comparative study of tear secretion in blepharospasm and hemifacial spasm patients treated with botulinum toxin. J Clin Neuroophthalmol. 1993 Mar;13(1):67-71.

Drugs

Indications