Scientists develop eyeglasses with perovskite photodetectors that track eye movements by measuring reflected light, enabling non-invasive device control.

The 32°N sunglasses use pixelated liquid crystal (LC) lenses which mimic human eye behaviour, providing wearers with the ability to focus on objects at will. Users can seamlessly switch between ...

The intricacy and seeming perfection of the eye, both as an object of anatomical beauty and as a working machine, have worried and intrigued scientists, philosophers and zealots, especially during ...