<prompt> Band shaped keratopathy is caused by-AmyloidCalcIumMonopolysaccharideLipid  <response>: Calcific degeneration Band Shape keratopathyBand shape keratopathy BSK is essentially adegenerative change associated with deposition ofcalcium salts in Bowmans membrane, most superficialpa of stroma and in deeper layers of epithelium. Etiology Ocular diseases. Band keratopathy is seen in association with: chronic uveitis in adults, children with Stills disease, phthisis bulbi, chronic glaucoma, chronic keratitis and ocular trauma. Age related BSK is common and affects otherwise healthy cornea. Metabolic conditions rarely associated with BSK include hypercalcaemia and chronic renal failure. REF:Comprehensive ophthalmology,4th edition,pg no.116 