pinhole pupil

a pupil that is extremely contracted.

Medical dictionary. 2011.

Look at other dictionaries:

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  • Stiles–Crawford effect — The Stiles–Crawford effect (or Stiles–Crawford effect of the first kind [cite book | title = Visual Perception: A Clinical Orientation | author = Steven H. Schwartz | publisher = McGraw Hill Professional | year = 2004 | ibsn = 0071411879 | url =… …   Wikipedia

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