This doctor can change the colour of your eyes. Should he?

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Dr Francis Ferrari invented the cosmetic process, called Femtosecond Laser-Assisted Annular Keratopigmentation, over a decade ago.

Dr Francis Ferrari invented the cosmetic process, called Femtosecond Laser-Assisted Annular Keratopigmentation, just over a decade ago.

PHOTOS: ELLIOTT VERDIER/NYTIMES

Saskia Solomon

PARIS – On a recent afternoon, a woman was having her eye colour changed from brown to green.

She was lying on the operating table, her left eye clamped open with an ophthalmic speculum while a doctor used a scalpel to slowly inject the pistachio green, mineral-based pigment into her cornea.

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