Xanthelasma are deposits of cholesterol and lipids
under the skin’s surface in the eyelid.
These may be hereditary( as in you ) but in about 50-60% of patients there is high cholesterol
and/or other lipids such as triglycerides and in such cases treatment should be instituted although,unfortunately reducing the lipid levels doesn't make these xanthelesma go away.
Because a xanthelasma itself causes no symptoms and is not serious many patients choose no treatment,however many patients choose to have the xanthelasma removed for improved cosmetic appearance.
Available treatments include ....
.....chemical (trichloroacetic acid
...... freezing with liquid nitrogen (cryotherapy
...... surgical removal and pulsed CO2 or argon laser treatment
Some xanthelasma recur after removal.
Pulsed CO2 laser removal offers accuracy and removes the lesion with little or no scarring and little or no pigmentation effect, both which occur at higher rates with other forms of removal.
I hope it helps.