The choice of the lens shape, from an optical point of view, is clearly carefully optimized. Simulations comparing the eye's actual lens shape with other models of hypothetical crystalline lens ...

For heart-shaped faces, round glasses draw the eyes away from the forehead ... Rounder frames soften the angles of the face. If paired with a lens that is slightly wider than your cheekbones ...

Clear casting resin fills the mold, cures, and turns into a translucent lens-shaped blob ... The next goal is printing prescription glasses, and [Florian] seems very close to achieving that ...

Developed by UCD professor Dominic Zerulla and colleagues, the innovation is described as a solid-state, shape-shifting, tunable lens that operates without any mechanically moving parts. The idea is ...