They occur mainly in women and their incidence increases with the age of the patients. A large percentage of patients (on average 50%) found normal cholesterol and triglyceride levels in the blood.
They are symmetrically distributed and are located in the upper eyelids and in particular near the inner canthus. Rarely are also found in the lower eyelids. Non-healing, they last for life and tend to progressively increase. Relapses are possible after treatment. Patients with elevated cholesterol and triglyceride levels need further treatment of hyperlipidemia.
Surgical removal of the lesions is considered the treatment of choice and has excellent results.