Int Ophthalmol (2018) 38:1339–1342 https://doi.org/10.1007/s10792-017-0569-4 CASE REPORT Acute visual loss after botulinum toxin A injection in the masseter muscle Bo Young Chun Su Yeon Kim Received: 10 February 2017 / Accepted: 16 May 2017 / Published online: 23 May 2017 Springer Science+Business Media Dordrecht 2017 Abstract Introduction Purpose Acute visual loss after facial injection of cosmetic materials is rarely reported. In this study, we Botulinum toxin A, a clostridial neurotoxin, selec- report one patient who developed acute visual loss tively inhibits the release of acetylcholine in the after an injection of botulinum toxin A for esthetic neuromuscular synaptic transmission system . purposes. Botulinum toxin A has widely been used in the Methods A 43-year-old Korean woman presented treatment of diseases characterized by overactivity of with a decrease in visual acuity to 20/800 after an muscles, such as dystonia and spasticity . Recently, injection of botulinum toxin A in the masseter muscle. it also has been used as a nonsurgical cosmetic The visual ﬁeld testing showed an inferior altitudinal procedure to contour the masseter muscle . The defect, and ﬂuorescein angiography revealed a facial injection of botulinum toxin A has several side delayed arm-retinal circulation time. effects, including strabismus, diplopia,
International Ophthalmology – Springer Journals
Published: May 23, 2017
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