These are xanthelasmas.
These are deposits of cholesterol. About half the people with them have an elevated cholesterol level.
They can be removed with surgically, or with a CO2 laser. Electrosurgery, using an electric needle too. I often find success with 95% Trichloracetic acid ( NOT FOR HOME USE....I am very careful since these are around the eyes).
Diet, to lower cholesterol is really not helpful although not a bad idea for general health.
One problem with xanthelasma is they tend to recur.
Happy to answer further questions.