👓 To open a Perkins tonometer (for maintenance or calibration), you typically need to:
- Check the manual: Consult the manufacturer’s instructions for specific guidance.
- Handle with care: Tonometers are sensitive instruments.
- Common steps: Usually involves removing screws or a cover to access the internal mechanism.
If you’re looking to use the tonometer, ensure it’s properly calibrated and sterilized before measuring IOP.