Product characteristic class
The principle and application of polarized sunglasses: mainly involves how the polarized lens filters the light in a specific direction, reduces glare, and the practica...
These 6 steps are indispensable
Recently, many foreign friends have asked how to open an optical shop and how to reduce cost. For newbies, most of them just heard that the optical shop is more pro...
Wear properly and care for the condition
Breathability and corneal health: Modern contact lens materials in breathability and other aspects have been greatly improved, as long as the choice of qual...
Whether wearing glasses can control the degree is a widely concerned problem in the field of ophthalmology. In order to explore this topic in depth, we need to analyze from multiple dimensions, inc...
In modern society, glasses are not only a visual correction tool, but also a perfect combination of fashion and function. With the progress of science and technology, color-changing lenses, as a hi...
China
Relevant standards: mainly based on GB 10810.3-2006 “Glasses lenses and related glasses products Part 3: Transmission specifications and measurement methods” and GB/T 14214-2003 &...
