Mar. 12, 2023
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Left Adie tonic pupil. (A) The left pupil is larger than the right pupil in ambient light. (B) The right pupil reacts briskly to light. (C) The left pupil reacts poorly to light. (D) Both pupils constrict to a near stimulus, although the reaction to near is brisker and more complete on the right. (E) After relaxation of the near stimulus, the right pupil quickly re-dilates but the left shows a more slow, tonic response. (Contributed by Dr. Lanning Kline.)