what are blue lens glasses good for？

Quick questions and answers about progres...

what is progressive lens？ Progressive lenses are a type of eyeglass lenses that provide a smooth and seamless progression of several vision correction powers within a single lens....
what are blue lens glasses good for？
【 Blue light science 】 How to correctly...

What is blue light? The wavelength of visible light is 380-780NM, and that of blue light is 380-50NM, which is one of the shortest wavelength and highest energy. ...
See far, see close clear – progress...

1. Who is suitable for progressive multifocal lenses? Suitable for the adjustment of the decline, at the same time to see far, fancy or at the same time to see far near different needs of peo...
Blue blocking glasses, do you need to wea...

People often ask if they need to wear a pair of blue-blocking glasses to protect their eyes when looking at their computer, pad or mobile phone. Did myopia laser correct after the op...