The lens focuses images and can be affected by cataracts and aging The lens is a curved structure in the eye that sits behind ...

Researchers in Bonn reveal how subtle eye movements and the density of photoreceptors contribute to sharp vision. Our ability ...

In adults, health effects from screens are annoying but temporary. Here's what happens when the display is on your face.

Johns Hopkins scientists have pioneered a new color-changing hydrogel that could reduce complications from cataract surgery, ...

An almost impossible alignment of galaxies that forms a giant magnifying lens could give astronomers an unprecedented deep view of the universe. The Carousel Lens—named for its concentric circular ...

Almost no one buys a pair of sunglasses unless they feel good, look cool, and make you feel confident. Shapes, sizes, colors, ...

In a ray diagram, a concave lens is drawn as a vertical line with inward facing arrows to indicate the shape of the lens.

Feline-inspired vision technology enhances accuracy in challenging environments, paving the way for smarter, more efficient ...

However, both lens systems can also be combined using a mix-and-match configuration. “For example, combining an EDOF IOL in ...

Canon’s new 3D lens has an aperture range of f/4.0 to f/16, supports autofocus, and features a button and a control wheel for ...

Two-photon (2P) fluorescence imaging through gradient index (GRIN) lens-based endoscopes is fundamental to investigate the functional properties of neural populations in deep brain circuits. However, ...

Find out more about available formats and browse any associated online resources. Convex optimization problems arise frequently in many different fields. This book provides a comprehensive ...