Patent US 9,869,840

A disposable lens applied to electronic operation device for recognition includes a substrate, a lens and a fix adhesive. It is only necessary for the user to fix the disposable lens to the electronic operation device provided with an image-capturing unit and enable the image-capturing unit to align with a recognized unit to be recognized through the lens, such that the image of the recognized unit is expanded through the lens through optical properties. Thus, the image signal captured by the image-capturing unit is clearer, and then processed by the electronic operation device. Not only compactness with portability enabling the user to recognize the recognized unit immediately, but also the effect of low-priced material are provided due to simple structure of the disposable lens of the present invention. Thereby, relative advantages in volume, convenience and cost are all obtained.