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.
Eyelid swelling may be caused by a disorder of the eye or eyelid or by a disorder elsewhere in the body. People with sudden double vision or loss of vision should see a doctor immediately. People with fever or a bulging eye should see a doctor within hours if possible.