Blepharitis is an infection of the eyelids. Some patients call it granulated eyelids. Almost everyone has some form of blepharitis. It is caused by bacteria that is part of our normal makeup but then gets out of hand and concentrates on the eyelids and eye. Blepharitis causes problems for some people but not for others. Fortunately, blepharitis is relatively easy to treat. However, it is a chronic condition and needs to be taken care of on an ongoing basis, like brushing or flossing your teeth.