Causes: A cyst is a fluid-filled sac that develops inside the ovary. They are very common, especially in women in their thirties and forties, and almost always harmless. In fact, they can occur ...

Purpose The current study evaluated the meibum and lid margin microbiome of eyelids with chalazion and compared it with contralateral uninvolved eyelids and healthy controls. Methods Chalazion ...

A lump behind the ear can have many possible causes. The most common include swollen lymph nodes caused by an uncomplicated infection. These lumps are typically harmless and relatively easy to treat.

The primary causes of a chalazion are obstruction of the oil glands (meibomian glands ... A chalazion is a hard, painless lump from blocked oil glands. A hordeolum is a painful lump caused ...