The difference between 3D glasses and ordinary glasses

The earliest version of 3D glasses supported some basic functions such as photography and video recording. The representative product is Google Glass launched by Google in 12, but the progress is basically stagnant. Later, some projects developed in the direction of enterprises and applications, such as Epson's MBT-200 and Realmax, which were all applied to industrial design, industrial maintenance and other practical applications, and were relatively more reliable than those who boasted about subversion and change. In addition to these, there are some products aimed at specific life scenes, such as riding glasses and traveling glasses. There are many specific products, but most of them have the same functions, so I won't list them one by one.