Progressive lens can be used for any visual distance: far distance, intermediate-distance and near distance within one lens. The lens surface will increasingly have a changing lens value called additional power. Progressive lens is designed differently based on the less structure of each manufacturer with the same objective, which is the comfort and convenience of users.
Progressive lens that is designed by Hoya technology is divided into general progressive lens; the progressive lens that a user can use to see from a far distance to a near distance, and a specific purpose such as for reading, for working on computer or working in a living-room area.
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