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Michael Walz inqured about a dilated pupil after a dive and wondered if this
could be DCS.  It could, and probably is, a DCS symptom.

As part of our post dive routine all of our divers are given a Rapid
Neurological exam.  This takes about five minutes and asseses all of the neuro
and muscular pathways.  One of the tings we look for is a jerky movement in
either one or both eyes.  This should be caused by bubble pressure on a nerve.
 This same bubble could case a constriction of blood or nerve messaging and
cause dilation of a pupil.  The exact term escapes me but I believe it is
nystigma or nastigma, from a medically correct point-of-view.

Hope this helps.

Coleman Sachs, SGT
Boone County (KY) Water Rescue
EMS Coordinator/MedDive Specialist

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