In discussing what material is good for the frame, and whether only the frame can be replaced after the glasses are damaged, we first need to understand the characteristics of the frame of differen...
Choosing the optical lens material suitable for the elderly requires comprehensive consideration of the elderly’s eye needs, physical conditions and living habits. The following is a specific...
In today’s digital age, glasses have become an integral part of many People’s Daily lives, whether for vision correction or as a fashion accessory, the choice of glasses is particularly...
Feel with the eye
Clarity: After wearing glasses, under the normal eye distance, such as looking at an eye chart at 5 meters or a book or computer screen at 30-40 centimeters, you should be able to...
Uv protection
View the logo: It is preferred to choose sunglasses with a clear UV protection logo, such as “UV400″, which means that the sunglasses can block more than 99% of the ultrav...
Polarizers are manufactured according to the principle of polarization of light. We know that when the sun shines on the road or water, it directly irritates the eyes, making the eyes feel...
