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Unilateral Vision Loss after a Dental Visit
#MMPMID29681838
Khattab MH
; Wiegand A
; Storch M
; Hoerauf H
; Feltgen N
Case Rep Ophthalmol
2018[Jan]; 9
(1
): 204-209
PMID29681838
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Intraoral local anesthetics are widely used for performing painless dental
treatments; however, in some cases, they may cause ocular complications such as
meiosis, diplopia, nystagmus, ophthalmoplegia, ptosis, and amaurosis. Mostly, the
symptoms disappear after several hours; rarely, they have a prolonged character.
We describe the case of a 38-year-old young man who had reduced vision in the
left eye 5 days after having received intraoral local anesthesia. A diagnosis of
cilioretinal artery occlusion with optic disc swelling was made. Ten weeks later,
the patient's visual acuity had increased to 20/20, and the swelling of the optic
disc had subsided. Although various possible mechanisms for ocular complications
after intraoral local anesthetic administration were suggested in the literature,
the exact etiology remains unclear. In this case, inadvertent intravascular
injection is believed to be the cause.
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