2
3
Enter [K/R] mode.
Press [Mode] button until [K/R] is displayed on the right side of the display.
1. [K/R] mode
Adjust height of examinee's eye.
Caution
Ensure that the examinee has not placed his/her hand or fingers under the
chinrest. Otherwise, hand or fingers may be hurt.
Caution
Wipe the forehead rest with ethanol or glutaraldehyde solution to disinfect it
each time a different examinee uses it, in order to prevent infection.
Caution
Change the chinrest paper each time the examinee changes in order to keep
the chinrest clean.
Have the examinee sit and place his/her chin and forehead against the chinrest and forehead rest.
Adjust the height of the chin by pressing [Chinrest lever] so that the eye of the examinee is aligned with
the height adjustment mark on the face rest.
Perform alignment and focusing.
Caution
Do not place your hand or fingers between the stage and base. Also ensure
that the examinee does not place his/her hand or fingers there either.
Otherwise, hand or fingers may be hurt.
Slide the operation lever to the left so that the right eye of the examinee is displayed on the monitor.
Ask the examinee to look at the red roof in the center of the scene (eye fixation target).
Looking at the monitor, check that image of the mire ring is not obscured by the upper eyelid. If it is
covering the ring, instruct the examinee to keep his/her eye opened wide until measurement ends. Or help
them open the eye wider by lifting up his/her upper eyelid lightly with your fingers.
Looking at the monitor, incline the operation lever to right or left, and turn the operation lever so the pupil
is concentric with the inner alignment mark. If the pupil is large, align it with the outer alignment mark.
Focus on the mire image by inclining the operation lever forward and backward.
USER MANUAL > MEASUREMENT
AKR300 - Auto Kerato Refractometer > V3 - 04-2020
22
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