A treatment undergoing trials uses laser to alter pigmentation in the iris and permanently change one’s eye color from brown to blue.
Procedure can turn brown eyes blue
Change the Color of My Eyes by laser surgery
Colorscope: Blue
Laser procedure turns brown eyes blue, scientist says - CBS News
Brown eyes are actually blue underneath, and as a result there exists laser surgery to turn brown eyes blue. - iFunny Brazil
Stroma Medical claims to be able to permanently change your eye colour
Is it possible to change your eye color?
Laser procedure can turn brown eyes blue - oneroustask1735
New tech creates buttons and shapes in mid-air
FAQs About Lasik Surgery
Laser procedure can turn brown eyes to blue
Turning Brown Eyes Blue: Why the Idea Feels Off-Color