At a recent event, eye-care industry professionals across the globe convened to discuss the future of vision.

For centuries, cameras and telescopes have relied on curved glass or plastic lenses to bend light and bring images into focus ...

For example, Fresnel zone plates (FZPs) focus with diffracting concentric ridges, but the color output is highly distorted. Ordinary lenses refract different colors at slightly different angles, ...

The study, "Color astrophotography with a 100 mm-diameter ... While this method does create a lightweight and compact lens, it comes with a tradeoff: it can't produce true colors. Rather than bending ...