Telangiectasia is a medical condition characterized by small, dilated blood vessels near the surface of the skin. These tiny red or purple lines often appear on the face, legs, or other areas of the body. While they are usually harmless, they can be a cosmetic concern for some individuals. The condition can be caused by various factors, including genetics, sun exposure, and certain medical conditions like rosacea or liver disease. Treatment options, such as laser therapy or sclerotherapy, are available for those seeking to reduce their appearance.