● We design three viewing areas based on human light transmittance, so you can always wear them in daily use without having to take them off again. 1 The top part is the remote control area. When you look at the distance, the light that falls on the eyes is in the upper part. For example, they go for a walk. 2 The next part is the close range. If you look down the newspaper and read the newspaper, the light that falls on the eyes is in the lower part. You can read the newspaper and read it with lowered eyes. 3 is a progressive zone in the middle, the distance is natural, the conversion is more convenient, the light that is transmitted to the eyes is in the middle, for example, you can see away on your computer. Parameters: ● Lens: Resin Frame: metal. Can be worn every day: yes. ● Can be dyed: Yes, the color changes depending on the intensity of the ultraviolet light ● Crystal clear vision, perfect clarity in bed, office or anywhere, the ultimate comfort. Reading glasses are essential if you have to fight for a long time to read. We are confident that we can meet your requirements with high quality products. If you have any questions or concerns, please feel free to contact us anytime and anywhere for further assistance. All information will be answered within 24 hours. Say hello to your exchange and feedback so we can offer you better products and services.