Rosacea is a chronic skin disease that affects more than 15 million Americans. The cause of rosacea is not yet known. It usually causes a persistent redness in the central part of your face. Small blood vessels on your nose and cheeks often swell and become visible. 

A close-up view of facial redness due to rosacea skin disease on the face.

The images shows an elderly woman with skin rosacea condition characterized by facial redness, small and superficial dilated blood vessels.