What is a stye (chalazion)?
Hailstone: Description The hailstone occurs when the excretory ducts of a sebaceous gland (meibomian gland or meibomian gland) at the edge of the eye lid become blocked. Bacteria and the body’s own enzymes break down fatty components in the excretory ducts. These breakdown products leak into the surrounding tissue and trigger a slow, chronic inflammatory … What is a stye (chalazion)?