Collarette Rope - Koch's Sign

Female,44

Koch's Sign - A floating margin from the border of the collarette crossing into the pupillary zone or pupillary lumen, is an embryronic remnant, indicates :
- History of TB in the family history.
- Meningitis.
- Family history of miscarriage and ectopic pregnancies in the family background.
( Iris & Pupillary Signs, 3rd Edition, By John Andrews)