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Acute angle-closure glaucoma following botulinum toxin injection for blepharospasm
P Corridan1, S Nightingale, N Mashoudi
1Birmingham Eye Hospital.
The British Journal of Ophthalmology
|May 1, 1990
Summary
Botulinum toxin injections for blepharospasm may trigger acute angle-closure glaucoma. This rare complication arises from the toxin
Area of Science:
- Ophthalmology
- Neurology
Background:
- Botulinum toxin is known to inhibit acetylcholine release.
- This mechanism can potentially lead to mydriasis (pupil dilation).
Observation:
- A patient developed acute angle-closure glaucoma following periocular botulinum toxin injections.
- The injections were administered for the treatment of blepharospasm.
Findings:
- The case suggests a possible link between botulinum toxin administration and the onset of acute angle-closure glaucoma.
- Acetylcholine inhibition by botulinum toxin may contribute to pupillary abnormalities leading to glaucoma.
Implications:
- Ophthalmologists should be aware of this potential adverse effect of botulinum toxin.
- Careful patient selection and monitoring may be necessary for individuals receiving periocular botulinum toxin injections.