All lenses in the UltraHealth FC diagnostic set are calibrated to take same OR. Once you have determined lens vault – simply over-refract to find final lens power. Add the over-refraction to the power of the diagnostic lens you wish to order.
*Note: you cannot use an over-refraction done on an UltraHealth FC lens to calculate a standard UltraHealth lens order, and vice versa.
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How do I find final lens power?
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