Internet Protocol version 6 (IPv6) is the most recent version of the Internet Protocol (IP), the communications protocol that provides an identification and location system for computers on networks and routes traffic across the Internet.
The most common cause of eyelid swelling is eye allergies. Eye allergies sometimes cause significant discomfort, often interrupting daily activities with annoying symptoms such as eyelid irritation and swelling. Eye allergies develop when the immune system overreacts to a certain allergen.
A painful red bump formed at the base of an eyelash or inside the eyelid is called a sty or a stye or it can be explained as a swelling on the eyelid. The causes of sty can be a localized infection of the glands or a hair follicle of the eyelid.