Optical frame glasses, is a products for the eyes for those people that use glasses, It could be used for any recommended glasses. Reading glasses are mainly to meet the needs of people with optical defect
Reading glasses are used for Children, middle and old people to supplement eyesight, it has the optical index that a lot of national standard also have a few special use rules. It is the same as regular sunglasses, and customers can judge whether it is suitable to buy by the style and color alone.