[Emphasis treatment on eyelid during perioperation].

The eyelid and conjunctival sac of healthy individuals inherently supports a small population of bacteria. Alterations in the concentration and type of bacteria present in blepharitis and meibomian gland dysfunction have been reported. The most common sources of the bacteria causing endophthalmitis of postcataract surgery and corneal infections following laser in situ keratomileusis attribute to the eyelids and conjunctiva of the patients, It has become a routine admitting antibiotic eye drops during perioperation and irrigating conjunctival sac before operation, but it is not paid enough attention for dealing with eyelid. So, this article will discuss the impact of eyelid on surgical outcome, and it is helpful for reducing postoperative infection.