Lesson plan

Polycoria

Polycoria is a pathological condition of the eye distinguished by more than one pupillary opening in the iris. It may be congenital or result from a disease affecting the iris. It results in decreased function of the iris and pupil, affecting the physical eye and visualization. In the early history of China, double pupils were seen as a sign that a child would become a great king or sage.

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Article summary

Polycoria is a pathological condition of the eye distinguished by more than one pupillary opening in the iris. It may be congenital or result from a disease affecting the iris. It results in decreased function of the iris and pupil, affecting the physical eye and visualization. In the early history of China, double pupils were seen as a sign that a child would become a great king or sage.

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Discussion questions

  1. Summarise the article in your own words. Which single claim would you verify first, and why?
  2. Which claim in this article is most likely to be revised as the sources update? How would you check its current status?
  3. If two sources disagreed about one of these facts, what would you need in order to trust one over the other?

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