集团模板

There are three types of polarized light, namely linear polarized light, elliptical polarized light and circular polarized light. Generally, the so-called polarized light refers to linearly polariz...

Nowadays, the "Blue-block lens/Anti-blue light lens" is nothing new in the lens industry. But maybe there are some misunderstandings that you or your clients may have about this. Now please let me ...

What is Visible Light Transmission (VLT)?VLT refers to the percentage of visible light (380-780 nm wavelength) transmitted through a lens or transparent surface.-High VLT (70%-100%): Ideal for low-...

Today, we celebrate the incredible work of optometrists who dedicate their expertise to safeguarding our vision and enhancing eye health. ✨Let’s take a moment to appreciate the gift of sight and ...