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Ophthalmic Surg Lasers. 1999 Mar;30(3):208-11.

The photic sneeze reflex and ocular anesthesia.

Author information

1
Department of Ophthalmology, Chattanooga Unit, College of Medicine, University of Tennessee, USA.

Abstract

BACKGROUND AND PURPOSE:

Intravenous sedation to minimize discomfort from local anesthetic injection has many potential complications including severe involuntary sneezing (i.s.). This prospective study evaluates the occurrence of i.s. and a history of photic sneezing (p.s.).

METHODS AND MATERIALS:

All patients receiving local anesthesia (retrobulbar or periocular injections) after intravenous thiopentone for eye surgery during eight months were asked about p.s. and observed for i.s.

RESULTS:

The 557 patients (40% males) had a mean age of 69.9 years and 14% recalled p.s. (29.5% males). I.s. developed in 5.2% of the 557. Only 7.6% of those with p.s. developed i.s. After periocular injections 23.8% developed as compared to 4.5% after retrobulbar injections. (P < 0.001). There was no relationship between p.s. and i.s. (p = 0.43).

CONCLUSION:

I.s. is not linked to p.s., with males and females at equal risk for either. I.s. is more common after periocular injections.

PMID:
10100255
[Indexed for MEDLINE]

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