Adie's tonic pupil. This is a pupil that has nearly no reaction to light (direct or consensual) and there is a delayed reaction to accommodation. Adie's tonic pupil (also called Adie's pupil, tonic pupil, or Adie's syndrome) usually affects only one eye, with the affected pupil being larger than the pupil of the unaffected eye. The cause of ... More @Wikipedia
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