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This is very cool. Thank you!

I believe every single question I had has been answered as completely as possible. Feels good. Thank You!

I'm learning from listening. Darryl, I wonder if you would mind sharing a list of typical merit functions. I'm trying to understand the scope of design considerations.

Barry, I read your response and my first thought was "I wish I'd said that". It takes me 3 paragraphs, or more, to say what you say in two sentences. Amazing. Just want you to know imitation is a...

You understand this a lot better than I do. You are saying that lens designers will not agree on "best possible optics" for a single vision lens.

I agree with you, it is never a good idea to...

Darryl, when I set about re-learning optics to understand Free Form, your publications on OptiCampus and in published articles, and your content embedded in presentations at Vision Expo...well,no one...

I agree with you that we don't intentionally mix brands between the right and the left eye. Having said that, I would not expect the Essilor 360 to be clinically equivalent to the Zeiss Individual. ...