The global prescription lens market is expected to grow at a CAGR of ~5% during the forecast period. Rising prevalence of ...

When you shine a flashlight into a glass of water, the beam bends. That simple observation, familiar since ancient times, ...

As more patients seek permanent alternatives to glasses and contacts, Refractive Lens Exchange (RLE)—also known as Custom Lens Replacement—continues to grow in popularity. In a newly published article ...

A mirror, mechanically defined, is a sheet of substrate or metal that reflects incoming light. The polished side of a mirror, frequently coated with a layer of metal amalgam or made from naturally ...

Abstract: The facile enhancement of the optical photocurrent in gallium nitride (GaN) ultraviolet (UV) photodetectors was realized by applying an in-situ curing technique to polymer lenses on a GaN ...

Two laser pointers were attached to the blackboard, and an elderly person demonstrated the effects of concave and convex lenses on light using both reading glasses and bifocals. This footage was ...

Choosing new glasses involves lots of factors, including the type of lens you will purchase. If you have a strong prescription, you might consider aspheric lenses. There are many types of lenses for ...

"Whether in real life or in the world of nature and animals there is a lot of 'invisibility', and this is not magic, is a scientific means,"Chu Junhao, infrared physicist and the academician of the ...

In the future, everybody will have a Harry Potter invisibility cloak in the closet, said Chu junhao, an academician of the Chinese Academy of Sciences in Shanghai on Saturday. At the Super Science ...

Abstract: We investigate an optical wireless communications system based on massive multiple-input multiple-output (MIMO). Through a transmit lens, the optical base station with its huge optical ...