Basically the new research shows infrared wavelengths can be brought within the visual spectrum, using a thin and very light film applied to glasses.

As the infrared photons only pass through a single resonant metasurface and are then mixed with a pump beam — a source of light used to amplify energy levels — night vision can be provided without the need to convert photons to electrons. This then bypasses the need for multiple heavy optical and cooling components to reduce thermal noise; the up-conversion from IR to visible light via the metasurface takes place at room temperature.

It’s like the opposite to sunglasses. Maybe we’ll call them moonglasses, and cities everywhere can subsidize them by turning off their street lights.