<unk> s are dark<unk> s that appear to encircle the iris of the eye. Synonyms include Gowers' chorea, hepatolenticular degeneration, or Westphal-Struempell pseudosclerosis.
Kayser-Fleischer ring
Bitot's spots
Gerhardt sign
Landolfi sign
De Musset sign
Kjer's optic neuropathy
Rosenbach sign
Koebner phenomenon