VISION TEST PATTERN INDICATOR

摘要

A vision test pattern indicator is provided with a color display for displaying visual patterns used for binocular vision tests which are conducted with a red filter set up in front of an eye of an examinee and a green filter set up in front of the other eye, and an arithmetic and control unit which controls the color display as a first visual pattern figure is shown in a green color, a second visual pattern figure is in a red color, a third visual pattern figure used for fusion stimulus is shown in a color excluding red and green components and the background of the visual patterns is shown in a white color.