Topic Options [ 3 ]
Options· 2019-03-22What color sunglasses are not suitable for driving?Brown sunglasses The tinted sunglasses can also block 100% of the ultraviolet rays, and the soft tones make people feel more comfortable, so that the eyes are not easy to fatigue. However, because it overlaps with the window and the film, it is not suitable for driving, and the film has blocked ultraviolet rays, and then wears brown sunglasses, which is not very effective.
Options· 2018-11-26Classification of the lensesThe lenses can be mainly divided into glasses lens, resin lens, PC lens and so on according to the different materials. The lenses can be divided into daily use lens, protective lens and multi-focal lens according to the functions of usage.
Options· 2018-04-03What is NV-ADD?What is NV-ADD?