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Related Manuals for Nidek Medical HandyRef-K
Summary of Contents for Nidek Medical HandyRef-K
- Page 1 Quick guide www.birminghamoptical.co.uk www.birminghamopticaleducation.co.uk/...
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Page 2: Operating Procedure
Give the patient the instructions: ‘Look inside the HandyRef-K at the hot air balloon at the end of the road. The image will go in and out of focus during measurement. Try not to blink during measurement and keep both eyes as wide open as you can.’... - Page 3 Press the trigger button on the handle of the HandyRef-K and align the device with the patient’s eye, holding the main body as level as possible (NB there is an axis correction setting which will compensate for any deviations – it is advisable to keep this setting on.
- Page 4 Keratometry measurement occurs first with auto-refraction after. When all readings are complete, is displayed on screen. Move the HandyRef-K to the second eye and repeat for second eye. Once all measurements are completed, results can be printed (if required): www.birminghamoptical.co.uk...
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Page 5: Troubleshooting
Troubleshooting If ‘AR?’ or ‘KM?’ appears on screen following measurement, it indicates the HandyRef-K has not been able to capture the required number of readings. This is usually due to the patient blinking or moving their eyes during measurement. Press the button on the handle whilst still in position to obtain the remaining measurements. - Page 6 By holding the button on the handle for more than a second, the HandyRef-K will enter ‘QUICK’ mode. This allows measurements to be taken on more difficult eyes. displayed. Please note the focus indicator is not displayed. Measurements may be less reliable than in standing measurement mode.
- Page 7 Calibration / measurement accuracy check of the HandyRef-K should only need to be performed once every 6 months in routine use, but calibration is advised if you are getting variability in measurements. If the values differ substantially from the values marked on the model eye, contact Birmingham Optical Group Support team.
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