Progressive multifocal glasses are suitable for reading and looking at distant objects without frequent picking. The bottom part of the lens is full-power magnification, then used for nearly distance reading. The middle part is slightly reduced power magnification for working on computer, watching TV, etc. Top part is half-power magnification for walking, shopping and so on. It means that you can wear the glasses anytime and anywhere. | Blue light glasses can effectively block blue light radiation emitted by electronic devices, such as blue light emitted by PCs, smartphones and TVs, thereby eliminating eye fatigue and headaches, and protecting eyesight. | High Quality Design Glasses Well crafted for long lasting durability. Besides, casual frame design keeps you looks professional and fashionable while working or reading. Suitable for different face types. Perfect gift for your friends, parents, grandparents and relatives. | The magnification strength in the lenses are accurate,are made from quality material easily enabling you to read small texts and minute details without stress,many degrees to choose. | If you have any questions about quality, please feel free to contact us. We look forward to your cooperation! We will do our best to provide customers with high-quality glasses and the best service.