Thank you for purchasing the TOPCON OM-4 Ophtalmometer.
This instrument is used for the measurement of the radius of curvature of the cornea
and measurement of contact lenses.
This OM-4 has the following features:
• Smooth operation
• Robustness and durability
This Instruction Manual covers an overview of the basic operation, troubleshooting,
checking, maintenance and cleaning of the OM-4 Ophthalmometer.
To get the best results from this instrument, read "Displays for Safe Use" and "Safety
Keep this Instruction Manual close the instrument for future reference.
To avoid injury to the patient’s eye and nose, pay particular attention while
operating the instrument body.
(The patient may be injured.)
This symbol is applicable for EU member countries only.
To avoid potential negative consequences for the environment and possibly human
health, this instrument should be disposed of (i) for EU member countries - in
accordance with WEEE (Directive on Waste Electrical and Electronic Equipment),
or (ii) for all other countries, in accordance with local disposal and recycling laws.