I used a lot of things to remove white stuff from plastic frames temples because of oxidation like w-40 oil, mineral oil,alcohol....etc.,but it did not help much, any one can help me I will...
I was asked on a test what would cause incorrect pin alignment? incorrect PD measurement, incorrect B measurement, debris in the housing or scratched lens stop? I was going with incorrect PD...
For the for former, order the Rx as written by the prescriber. For the latter, there will be vertical imbalance induced at both distance and near that will need to be addressed by careful positioning...
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Ok Thanks Chris :)
Ok Thanks Chris :)
Petters sliperi 09-24-2023, 11:51 PM