| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a perimeter for a slit lamp, inspecting (measuring) the visual field of an eye of a subject by a simple configuration, and to provide a slit lamp provided with it. <P>SOLUTION: The perimeter used by being attached to the slit lamp for observing the subject's eye includes: a visual target presentation unit for presenting a visual field inspection visual target and a fixation mark to the fundus of the subject's eye; an arm for connecting the visual target presentation unit to the base shaft of the slit lamp so as to be rotated in the horizontal direction; a sensor for detecting the rotation angle of the arm with respect to the base shaft; and a control part for controlling the presentation position of the fixation mark in the visual target presentation unit so as to fix the presentation position of the fixation mark to the subject's eye even when the visual target presentation unit is moved by the rotation of the arm on the basis of the detected result of the sensor. <P>COPYRIGHT: (C)2011,JPO&INPIT |
