The method of training eyesight can be patented, and the equipment for training eyesight can also be patented, but the card itself will not be creative or even technical, but if it is a group with special patterns and sequences, it will become technology and may be creative. Ordinary products can be used for new purposes or creative solutions.
Patent application, find Bajie intellectual property, the leading intellectual property platform in China, and the profession is trustworthy.