Reflectacles are glasses designed to counter the use of non-consensual facial recognition systems.

Using infrared-blocking lenses and reflective frames, they defeat surveillance cameras that use infrared for illumination and more advanced systems that create 3D maps with infrared lasers.

Each model offers a different degree of privacy: while IRpair uses infrared-blocking lenses alone, Phantom and Ghost have the added feature of reflective frames, which block surveillance further. The IRpair and Phantom models reflect infrared, while Ghost reflects both infrared and visible light.

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Source: https://designmuseum.org/exhibitions/beazley-designs-of-the-year/product/reflectacles-privacy-eyewear