Xanthelasmas are benign or fatty tumors located in the tear or eyelid area.
A dermatologist is a doctor who specializes in diseases of the skin, hair, nails and mucous membranes.
The ophthalmologist is a doctor who specializes in eye and vision care.
Remember that for the proper selection of health professional that treats xanthelasmas you must consider the nature, severity and symptoms you are presenting.