Is the patent of glasses true?

The patent for glasses is true. The "reading and writing telescope" and "out-of-focus protective glasses" invented by Professor Dai Minghua, an expert in myopia prevention and control who was appraised by the government, won the invention patents of China, the United States, Britain, Europe and Asia (including Russia), and the invention patents of out-of-focus protective glasses of China, the United States, Australia, Japan, Russia and Canada.