<unk> , also called Knapp<unk>  or Knapp striae are small breaks in Bruch's membrane, an elastic tissue containing membrane of the retina that may become calcified and crack. Up to 50% of<unk> cases are idiopathic. It may occur secondary to blunt trauma, or it may be associated with many systemic diseases. The condition is usually asymptomatic, but decrease in vision may occur due to choroidal neovascularization.
Angioid streaks
Capillary aneurysms
Cotton wool spots
Hypervascularity
Amyloid plaques
Mongolian spot
Brushfield spots
Collagenous spherulosis