Ever wish your eyes were blue or green? Well, now you don’t have to turn to contact lenses or risky artificial iris implants to make your dream come true. You can simply have your own eyes permanently tattooed.

Originally developed as a way of dealing with patients suffering from disfiguring corneal opacities, keratopigmentation, aka ‘corneal tattooing’, has seen a boost in popularity among people seeking a mere aesthetic change. Safely changing eye color has long been an impossible dream, but today there are actually several types of procedures that allow you to do just this. Ten years ago, we wrote about the controversial artificial iris implant that came with provided excellent results but came with its share of health risks. Then, in 2017, there was the revolutionary laser surgery that could change eye color from brown to blue in just 20 seconds. Nowadays, however, it’s all about kaeratopigmentation, a seemingly safe procedure that uses advanced machinery and biologically compatible pigments to permanently change eye color.

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Blue eyes have historically been a significant measure of attractiveness, and although they’re commonly found among actors and models, only 17% of the global population has them. For the majority of people, approximately 80% of the population, blue eyes have been attainable only with the aid of colored contact lenses or artificial iris implants. But that will soon change with the introduction of a new medical procedure, pioneered by California company Stroma Medical, that can turn brown eyes blue.

The laser procedure works by eliminating the melanin -, the pigment that also colors hair and skin – from the surface of the iris, which then allows light to enter and scatter in the stroma, the fibers seen in light-colored eyes. The effect is similar to Rayleigh scattering, in which wavelengths of sunlight hit much smaller molecules in the air and then scatter, which makes the atmosphere appear blue.

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