Recently we have been noticing the progressive markings causing distortion, prismatic effects or just in patients field of vision. We have noticed ourselves, they have recently been coming in more pronounced than in the past. I have been told conflicting information by the lab rep and the manufacture rep. Lab rep states those markings are put on by the manufacturer and the lab has no control of it. Manufacture rep states it's put on at the lab level and they can manipulate how pronounced they are at there. Can any of you lab experts shine some light on this for me? Thank you for your time and knowledge.
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