Described are various embodiments of an electronic device for a user having reduced visual acuity to fine tune a prescription thereof corresponding with their reduced visual acuity. The device comprises a digital light-field display, a hardware processor; and a non-transitory computer-readable medium having statements and instructions stored thereon for execution by said hardware processor in correcting an output image to be rendered by said digital light-field display in accordance with an image pre-filtering function, wherein said image pre-filtering function receives as input a light-field display optics parameter and a progressively adjustable vision correction parameter that corresponds to vision correction prescriptions.