Chalazion (lump in the upper or lower eyelid) causes, symptoms, and treatment
A chalazion is a lump inside the upper or lower eyelid. The primary cause of a chalazion is inflammation of one of the small oil-producing glands located in the upper or lower eyelid. While it may get infected later on, a chalazion is not caused by bacteria, but rather is due to oil trapped in ...click here to read more