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Updated: Feb 7, 2026
07:05
Ultrasound-guided Botulinum Toxin-A Injections: A Method of Treating Sialorrhea
Published on: November 9, 2016
24.9K
Botulinum toxin injection and tear production.
Adel H Alsuhaibani1, Shaikha Al Eid2
1Department of Ophthalmology, College of Medicine, King Abdulaziz University Hospital, King Saud University.
Current Opinion in Ophthalmology
|July 12, 2018
Summary
Botulinum toxin type A (BTX-A) offers new, less invasive treatments for ophthalmic conditions like epiphora and dry eye. Understanding BTX-A
Area of Science:
- Ophthalmology
- Neurology
Background:
- Botulinum toxin type A (BTX-A) was initially approved in 1980 for strabismus and blepharospasm.
- Its applications in ophthalmology have expanded, offering less invasive treatment options.
Purpose of the Study:
- To review the expanding applications of BTX-A in ophthalmology.
- To highlight its efficacy in treating conditions like epiphora and dry eye.
Main Methods:
- Review of successful trials involving BTX-A injections.
- Analysis of BTX-A's mechanism of action in ophthalmic tissues.
Main Results:
- BTX-A injections into the lacrimal gland effectively treat epiphora by blocking cholinergic receptors.
- BTX-A injections in the lower eyelid can alleviate dry eye by reducing tear drainage.
- BTX-A may benefit patients with co-existing conditions like blepharospasm and dry eye.
Conclusions:
- A deeper understanding of BTX-A's mechanism enhances its use in ophthalmology.
- Awareness of potential side effects and their management is crucial for successful BTX-A treatment.
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