Tono-Pen
Ocu-Film + Instructions
Proper set up of the Ocu-Film
+ tip cover is essential for the precision and
®
accuracy of the tonometry measurement. A new Ocu-Film + tip cover must be
used for each new patient. Be certain that the film is flat across the tip, but not
too taut or too loose.
Position the Ocu-Film +
Roll the Ocu-Film + tip
applicator on the transducer.
Taking an IOP Measurement
To take a measurement, press the button once. [8888] will briefly be displayed,
followed by a double row of dashes [= = = =], indicating the Tono-Pen is ready
to measure.
The corneal surface needs only to be momentarily contacted. Indentation or
excessive pressure is not required and may lead to injury to the eye.
CORRECT
XL
®
Quick Reference Guide
Applanation Tonometer
CORRECT
Remove the
cover onto the tip.
applicator.
INCORRECT
Button
Transducer
Calibration Procedure
1. Hold the Tono-Pen with the transducer end pointed straight down toward the floor.
2. Press the button TWICE within 1.5 seconds. The instrument will "beep" and
the LCD will display [CAL].
3. Hold the Tono-Pen steady for approximately 15 seconds until the device
"beeps" and the LCD displays [UP].
4. Quickly and smoothly flip the Tono-Pen up, so the transducer is pointing straight up.
5. A properly functioning Tono-Pen will display [Good] and the device will
"beep". Wait for the "beep" before touching the operating button again.
6. If [bAd] is displayed, repeat this calibration procedure.
LCD Display
Keep the Tono-Pen covered with an Ocu-Film +
tip cover at all times, even in storage.
Calibration must be successfully
performed:
• Every day before the first patient
measurement
• When batteries have been replaced
• After a [bAd] calibration
• Whenever the LCD displays [CAL]
Calibration can be performed with or
without an Ocu-Film + tip cover.
980041 Rev. D, 02-08-2017
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