Jiayu Product Knowledge: What kind of glasses frame is light
- Jun 30, 2021
- Hits: 8
Generally, the materials used to make spectacle frames are not particularly heavy. Because if a spectacle frame is too heavy, there will be a strong sense of pressure. If you wear...
Jiayu Product Knowledge: What is The Role of Lens Coating
- Jun 23, 2021
- Hits: 7
When the lens was first invented, there was no coating. After wearing it for a long time, people found that this lens was not only easy to scratch, but also the reflection of the...
Jiayu Product Knowledge: How Should We Protect The Blue Light From Harm To The Eyes
- Jun 18, 2021
- Hits: 8
I believe that everyone is no stranger to this glasses. The heat in recent years is also very high. Customers have gone from entering the store to fear being fooled by the clerk...
Jiayu Product Knowledge: What Lenses are Suitable for Rimless Frames
- Jun 09, 2021
- Hits: 10
We know that lenses are divided into three types: glass lenses, resin lenses, and pc lenses! First of all, are glass lenses suitable for rimless glasses? Glass...
Jiayu Product Knowledge:The material of the metal spectacle frame
- Jun 01, 2021
- Hits: 10
The metal materials used for spectacle frames are divided into three categories: copper alloy, nickel alloy and precious metal. It is required to have a certain degree of hardness, softness,...
Jiayu Product Knowledge: Plastic Optical Lens
- May 27, 2021
- Hits: 11
Optical plastic raw material is a kind of optically multifunctional polymer transparent material that can be comparable to optical lens, divided into thermosetting and thermoplastic;...
Jiayu Product Knowledge: Glasses maintenance tips
- May 18, 2021
- Hits: 10
1. Dizziness, magnification, etc. are prone to occur when wearing new glasses. Generally, you can adapt for one to two weeks; the longer the old glasses are worn, the longer it will take to adapt to the...
Jiayu Product Knowledge: Tips on using sunglasses
- May 11, 2021
- Hits: 11
1) Under normal circumstances, 8-40% of light can penetrate sunglasses. Most people choose 15-25% sunglasses. Outdoors, most color-changing glasses are in this range, but the light transmittance of glasses...
Jiayu Product Knowledge: CR39
- May 07, 2021
- Hits: 11
CR39 is carbon acid propylene acetic acid, or allyl diethylene glycol carbonate, which is the most widely used material for the production of ordinary resin lenses. CR39 was used in the...
Jiayu Product Knowledge: Coated Lens
- Apr 28, 2021
- Hits: 12
The reflection of the lens can reduce the light transmittance and form an interference image on the retina, which affects the quality of the image and the appearance of the wearer. For example,...