| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an optometer allowing improvement of an operation feeling of a lever. <P>SOLUTION: This optometer includes: a target presentation means presenting an optometry target; a response means inputting a reading result of an examinee to the target; and a decision means deciding that the inputted reading result is true or false to automatically decide eyesight of the eye of the examinee. The response means includes: an operation shaft having a grip part, an abutment part provided below the grip part, and a first magnetic member provided on the opposite side to the grip part and receiving magnetic force; a holding part tiltably holding the operation shaft; a second magnetic member generating force which attracts the first magnetic member in the axial direction so as to restore the operation shaft to a reference position, and disposed on the axis such that the second magnetic member faces the first magnetic member; and a plurality of switches abutting on the abutment part when the operation shaft tilts by a prescribed angle, and disposed oppositely with the axis as the center. <P>COPYRIGHT: (C)2012,JPO&INPIT |
