3. Operate the joystick so as to bring it into focus as aligning the alignment mark (+) with the center of the
reticle mark. The measurement is started when alignment is achieved and the mark of the measurable
minimum pupil diameter is changed to green.
4. The measurement values are displayed when the measurement is finished. The arrows are displayed when
the specific times of measurement is finished. Move the main unit to the direction of the arrows and take a
measurement of the other eye.