Newbie here, but the multilevel sight challenge interests me, I too invented a flip up off perscription/no perscription glasses. And checked out manufacturers. I got a warm and interested response, but the deal was I needed to sell them first. Like I got time. I bought reading glasses the same shape as my regular glasses and was going to put jewelers hinges on them. (Never found the time.) Now I want +3.5 reading glasses to flip over and back on regular glasses (that have +2.5 built in) to see extreme up close. I realize the right set up could mean ANY combination. From clear lenses to reading, to shade 4/reading, or no bottom lense, just flip up mass diopter lense. Whatever you want. And they do make something like that. (I just have to find it again) Interestingly, most eyewear folks seem to have this "live with it" attitude when you describe your work needs for challenging vision issues. They respond, "Why do you want to see so well up-close like that?" Read a book, watch TV, we can help you with that.
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