There's hopeful news for brown-eyed girls who have always wanted to be blue: A new, non-invasive treatment out of California-based company Strōma Medical is using melanin-targeting laser technology to break down pigment on the outer layers of the iris for permanently blue eyes. "The fundamental principle is that under every brown eye is a blue eye," explained Gregg Homer, one of the doctors testing the laser, to CNN. "The only difference between a brown eye and a blue eye is a very thin layer of pigment on the surface. Take that pigment away, then the light can enter the stroma and when the light scatters, it only reflects back the shortest wavelengths and that's the blue end of the spectrum." According to Strōma's website, the procedure, which isn't yet FDA-approved, only takes about 20 seconds and reveals the full color change within four weeks.
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