Instructions for use:
Step 1
Record the distance from the pupil of the eye to the commissure of the lip using the VDO gauge
Step 2
Tighten the screw to secure the recorded measurement
Step 3
Place the rounded arm of the gauge underneath the chin and nose. If the rounded arm makes a perfect fit with the chin, the patient’s VDO has been accurately captured
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Faster delivery can be arranged on customers' request. Please email us (eBay messaging) your faster delivery request. We will send you revised quote with actual postage charges. We do not charge any profit on P&P.
If you receive the product different from described in our listing or it is not as per your expectations, please message (eBay messaging) We will make free replacement or if you request, make full refund of your amount. Please return the product to our business address given below.
Ray Instruments
22859 Charing St Hayward, CA. 94541-6526 U.S.A