Patent ID: 8004560

Claim:
An endoscope apparatus comprising: a video signal acquisition portion that images a test subject by a stereo optical system to acquire a video signal including right and left images which relate to the test subject; a video signal processing portion that processes the video signal to generate a display video signal; a measurement processing portion that performs measurement on the basis of the video signal; and a display portion that displays the display video signal, wherein: the video signal processing portion generates a first display video signal based on one, but not both, of the right and left images of the video signal by extracting one image from the video signal including the right and left images, and a second display video signal based on both the right and left images of the video signal; during a period regarding measurement, the display portion displays the first display video signal or the second display video signal along with at least one of operation-related information and measurement information; and a position where at least one of the operation-related information and the measurement information is displayed is controlled according to the first display video signal or the second display video signal displayed by the display portion.