Eyelids are structures that act as shutters covering the eyes. They serve an important function of protecting the eye balls. They play a very important role of lubricating the eye and help in tear drainage. Eye lids have oil secreting glands in them which secrete oil to contribute to the tear film. They are two in number. The upper lid in larger in size compared to the lower lid. They have a row of eye lashes growing from its outer margin. The oil secreting glands located in the lids have its opening on the inner margin of the eye lids as shown in the picture.
There are various problems of the eye lids ranging from swelling to mal-position, twitching to drooping of the lids. They cause various symptoms like itching, eye irritation, etc.
Common eye lid problems are as follows:
Allergic lid edema