Angioid streaks are breaks or cracks in the bruch's membrane. O nce the choroid is involved it leads to neovascularisation of choroid.

some of the causes of angioid streaks are listed below: Pseudoxanthoma elasticum (PXE ) Paget’s disease Acromegaly Old age Lead poisoning Hyperphosphatemia Diabetes mellitus High myopia Sickle cell disease Neurofibromatosis Spherocytosis Hemochromatosis