No, he's right. Patients are amazingly unobservant in the exam room. It is routine to make 1/2D changes and get a very unsure response. 1/4D is downright painful most of the time. Sure there are those extremely picky people out there, but they sure don't make up 10% of the population. Where do you get that as the "national average" of remakes, because if that is so I am waaaaaay under that average.
I would be really curious to see the following scenario: Every patient who comes in and requires a redo gets a brand new pair of lenses in the exact same Rx. How many would go away because there was a minor distortion in a lens or because that patient is convinced they "always have trouble with new glasses." I really wonder how many redos are Rx related vs. some outside/secondary factor.
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