Has the Zhang Hongwei eye training patent been officially announced?

No, Zhang Hongwei's eye training method is a widely spread eye care method, but it has not been officially declared as a patent. In China, patent is an intellectual property right authorized by China National Intellectual Property Administration. Through patent protection, we can protect the inventors' innovative achievements and prevent others from using, producing or selling related products without permission. Although Zhang Hongwei's eye training method is very popular, it has not been patented.