DEVICE AND METHOD FOR PROVIDING RELAXATION OF VISUAL FUNCTION, PROGRAM SUPPLYING VISUAL FUNCTION RELAXATION AND RECORDING MEDIUM CAPABLE OF STORING PROGRAM SUPPLYING RELAXATION OF VISUAL FUNCTION

摘要

PROBLEM TO BE SOLVED: To provide a device supplying relaxation of a visual function that is capable of efficiently relaxing asthenopia by a simple and easy mode like a screen saver, to a user using an image display such as a computer display or the like. SOLUTION: The device for supplying relaxation of a visual function has an image display means displaying a prescribed image, a storage means storing images to be displayed on the image display means, and a control means controlling the image display means so as to display images stored in the storage means on the image display means, and the control means controls images so as to put an optional image displayed on the screen of the image display means out of focus, controls an image so as to return the image in an out-of- focus state to an in-focus state, and provides relaxation of the visual function to a user watching the screen by repeating such controls.