<prompt> All of the following are true about Keratoconus, except:Increased curvature of corneaAstigmatismK.F ring corneaThick cornea  <response>: The main pathological changes in Keratoconus are thinning and ectasia of the lens which occur as a result of defective synthesis of mucopolysaccharide and collagen tissue. REF : AK KHURANA 7TH ed. 