Angioid streaks

- a.k.a Knapp streaks
- small break in Bruch's membrane
- brown, concentric snake like lines
- Associations
  - pseudoxanthoma elasticum
  - UGIB
  - middle ear deafness
  - IHD
  - PVD
  - floppy mitral valve
  - sickle cell disease
  - Paget disease
  - Ehler Danlos syndrome
- avoid contact sports as it can predispose to globe rupture