Preseptal and Pretarsal Botulinum Toxin Injection in Hemifacial Spasm and Blepharospasm: A 10-Year Comparative Study.
Chutithep TeekaputKanokkarn TeekaputKitti ThiankhawPublished in: Therapeutics and clinical risk management (2023)
Pretarsal injections reduced symptom severity with fewer side effects. Further studies on the pharmacoeconomics of both techniques are required.