The present invention provides various apparatus and methods for improving, augmenting or enhancing a vision of a person that include a first camera, one or more sensors, a microdisplay, and one or more processors communicably coupled to the first camera, the one or more sensors and the microdisplay. The first camera is configured to acquire a first image of a scene facing away from an eye of the person. The microdisplay is configured to display a modified first image to the eye. In one operational mode, the one or more processors are configured to acquire the first image of the scene using the first camera, modify the first image based on one or more vision improvement parameters, and display the modified first image on the microdisplay to improve, augment or enhance the vision of the person.