Contact lenses and eyeglasses could one day enable people to see beyond the natural visible light spectrum. Eyewear equipped ...

Notice how the infrared night vision is better at drawing out details in pitch dark ... which unlike these night vision goggles, visualizes everything according to heat signatures.

It also doesn't require cryogenic cooling – which reduces 'noise' for sharper images in traditional night vision – so can do away with even more of the bulky night-vision goggle mechanics.