Abstract: The intelligent omni-surface (IOS) is a dynamic metasurface that has recently been proposed to achieve full-dimensional communications by realizing the dual function of anomalous reflection ...

Laser eye surgery uses a laser to change the shape of the cornea to help improve vision. You need to rest and avoid getting water in your eye for at least 24 hours after surgery. Laser eye surgery ...

Abstract: The protection of the visual system against harmful light radiation is a very important goal of the prevention process developed by optometrists and also by the manufacturers of eyeglass ...