The effect of unilateral corneal anesthesia on the Schirmer test

G. Crabtree, R. A. Dobie

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

Unilateral corneal anesthesia (or hyperesthesia) caused by trigeminal nerve disease has an unknown effect on the Schirmer test. Using topical anesthesia, we found that unilateral corneal anesthesia reduces tearing bilaterally, with a greater decrease on the anesthetized side. Clinicians should be aware that trigeminal nerve deficit may alter Schirmer test results, and use bilateral topical corneal anesthesia or alternative methods to stimulate tearing in these cases.

Original languageEnglish (US)
Pages (from-to)631-632
Number of pages2
JournalOtolaryngology - Head and Neck Surgery
Volume100
Issue number6
DOIs
StatePublished - Jan 1 1989

ASJC Scopus subject areas

  • Surgery
  • Otorhinolaryngology

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