A small lump on the eyelid can be worrying, even if it does not cause pain. Eyelid cysts are common and often harmless, yet they can affect comfort, vision, or appearance. Some cysts clear on their own, while others stay for months and need medical care. http://eyeclinic.pbworks.com/w/page/163251918/Eyelid%20Cyst%20Removal%20in%20Birmingham%3A%20Treatment%20Options%20and%20Recovery%20Timeline