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WORLD LENS AND FRAME DEMAND STUDY 2020 now available

The new WORLD LENS AND FRAME DEMAND STUDY 2020 is ready.

Optical data on 63 countries which make up 94% of world GDP has been researched.

If you want to know more, please see our proposal.

And if you are interested to buy the study, please contact us: ingeborg@swv4u.com

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