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Assessment of pupillary light reflex latency and darkness adapted pupil size in control subjects and in diabetic patients with and without cardiovascular autonomic neuropathy.
  1. P Lanting,
  2. J E Bos,
  3. J Aartsen,
  4. L Schuman,
  5. J Reichert-Thoen,
  6. J J Heimans
  1. Department of Neurology, Free University Hospital, Amsterdam, The Netherlands.


    Increased pupillary light reflex latencies were found more often than a reduced darkness pupil size in diabetic patients with and without abnormal cardiovascular reflexes. This finding suggests that parasympathetic pupillary dysfunction precedes sympathetic pupillary denervation in diabetic autonomic neuropathy.

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