In the hot summer, friends who often drive are always troubled by the strong sun rays. So how should the driver choose suitable sunglasses from the many types of glasses? How to choose sunglasses?...
The difference between special and ordinary is that ordinary sunglasses only have the two basic functions of shielding strong light and filtering ultraviolet rays. The function of the sunglasses...
The golden period of vision development from the birth of a baby until the age of six. In the development stage of children vision, The formation of visual function is susceptible to the...
On July 31-August 1, 2021, we came to SanMing Fujian province and carryed out a two-day team activity. This trip we went to Sanming Dajin Lake, toured the water fall, One-line sky and Ganlu temple,...
The polarizing function of sunglasses can block the glare in the sun, and at this time, it can protect the eyes from ultraviolet rays. All this is due to the metal powder filter installation,...
The Acetate glasses are made of high-tech plastic memory sheet. The current sheet composition is mostly acetate fiber, and a few high-end frames are propionate fiber. The acetate sheet...
First of all, people should wear sunglasses when they are outdoors, whether they are working, driving, or exercising, walking, or running. Why do you need sunglasses? 1. Filter...
1. Placement method If you are temporarily placing the glasses, please keep the convex surface of the glasses facing up. If you place the glasses with the convex surface facing down, the...
1. Develop good hygiene habits to prevent eye infections Active and active are the characteristics of children. They are always curious about external things. Therefore, parents should...
The human eye has a lens structure, which has a focusing and magnifying effect like a magnifying glass. The light passes through the eyes, and the heat of the sun is focused on the...