Physiologic Anisocoria: A Manifestation of a Physiologic Sympathetic Asymmetry

Forty-two consecutive subjects identified clinically by other clinicians as having anisocoria were evaluated by the author in a blinded fashion with the friction sweat test. The presence and side of any ptosis or lid fissure narrowing was also noted. Thirty-three of 42 (79%) had an associated decrea...

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Published inNeuro-ophthalmology (Amsterdam : Aeolus Press. 1980) Vol. 32; no. 3; pp. 147 - 149
Main Author Rosenberg, Michael L.
Format Journal Article
LanguageEnglish
Published Informa UK Ltd 01.01.2008
Taylor & Francis
Subjects
anisocoria
Horner's
miosis
ptosis
sweating
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Summary:Forty-two consecutive subjects identified clinically by other clinicians as having anisocoria were evaluated by the author in a blinded fashion with the friction sweat test. The presence and side of any ptosis or lid fissure narrowing was also noted. Thirty-three of 42 (79%) had an associated decrease in sweating on the same side as the smaller pupil. Three (7%) had decreased sweating contralateral to the miosis and in 6 (14%) no significant asymmetry could be detected. Fifteen had an associated ptosis and narrowed lid fissure, all but one ipsilateral to the miosis. These findings strongly suggest that physiologic anisocoria is a manifestation of a physiologic asymmetry of resting sympathetic tone.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
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ISSN:0165-8107
1744-506X
DOI:10.1080/01658100802115254