If you’re a photographer, chances are high that you’ve got a few cutesy lens shaped coffee mugs kicking around your kitchen. There might have even been a new one shoved inside your stocking this year.

Optica Lens Manufacturers shares that along with the development of science and technolgy faster and faster,the heat of the LED lights appear not decline,launched on the market is more suitable for ...

Sunglasses that darken automatically in response to bright sunlight have been available for eyeglasses for 40 years. But adapting this flexibility to contact lenses has proven challenging. Now ...