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What is Angioid streaks is seen in -a) Pseudoxanthoma Elasticumb) Acromegalyc) Paget's diseased) All of above and explain in detail?
These are broad, irregular, red to brown to gray lines that radiate from the area around the optic nerve head under the retina.
This is due to calcification and then fracture of Bruch's membrane.
It is seen in :
Ehlers-Danlos syndrome 
Gardner's syndrome             
Pseudoxanthoma elasticum        
Sickle cell disease.
Paget's disease.