An image correcting method includes: acquiring original image information to be corrected; setting a confirmation range for confirming an effect of a correction; producing corrected image information; and displaying, on an image display section, an original image based on the original image information and a corrected image based on the corrected image information. The stimuli may be in the form of vibration, warmth, light, sound, andor electrical current. The distance detector generates a distance detecting signal if the distance detector detects the presence of a nearby object. The prisms include a plurality of individual panels with drilled or slotted openings that are arranged to create a periodic photonic crystal structure within a defined region. The output logic then generates buffer pointers that address the locations of the free buffers in the second RAM. 5 times the diameter of the pin cap.