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argyll robertson pupil

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Medical Dictionary

Main Entry: Ar·gyll Rob·ert·son pupil
Pronunciation: är-"gIl-'räb-&rt-s&n-
Function: noun
: a pupil characteristic ofneurosyphilis that fails to react to light but still reacts in accommodation to distance
Robertson, Douglas Argyll (1837–1909) British ophthalmologist. The leadingophthalmologist in Scotland, Robertson specialized in the physiology and diseases of the eye. He published more than fifty medical papers on such topics as etiology of glaucoma, retinitis pigmentosa,and hydrophthalmos. In 1869 he produced his most significant contribution, an article concerned with accommodation in miosis associated with spinal diseases. Robertson was also a popular teacher, andthe naming of the condition in his honor gave rise to the quip that it was “far better to be an Argyll Robertson pupil than to have one.”
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

Argyll Robertson pupil Ar·gyll Rob·ert·son pupil (är-gīl' rŏb'ərt-sən)
n.
A pupil that contracts or expands to accommodate changes in focal length but does not respond to light.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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