Arcus senilis or corneal arcus is a yellowish-white ring around the cornea. It is caused by the extra cellular lipid deposition in the peripheral cornea. Lipids are normally deposited in the cornea, but it is believed ...

Background: Coronary heart disease (CHD) is a major cause of morbidity and mortality throughout the world. One of the expected treatments for CHD is percutaneous coronary intervention (PCI), particularly drug-eluting stent ...