Cool Light Brown Ring Around Pupil Ideas. Web a condition fittingly named ring around the pupil has two different names. Web here are 4 triggers of brown/yellow rings around your pupils:
A ring around the cornea may be associated with: A true ring around the edge of the cornea is called arcus senilis, as seen in the image above. This ring can make it seem as though your iris is two different colors, but in fact it is a discoloration in the cornea.
