Glasses are important and at the same time delicate equipment. It requires repair, maintenance and replacement of worn parts from time to time. Have you ever wondered how much knowledge you need to be able to restore used glasses to a condition that satisfies the wearer? It is a process that requires not only a lot of theory, but also great precision and patience. In this app you will have the opportunity to make several repairs – such as replacing the lenses of your glasses, for example. The instructional video displayed on the virtual tablet will definitely be helpful while performing the three exercises available in the application. The scale of the difficulty is as great as the actual repair process in the real world.