DES Q&A: Why doesn't my EZI ring work? Is it the wrong size?

Question: Why doesn't my EZI lens applicator ring work? Is there more than one size?
Products mentioned in this video:
The 16mm one - dryeyeshop.com/products/ezi-s...
The 13mm one - dryeyeshop.com/products/ezi-l...
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www.dryeyeshop.com
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[@suave6734]

Great work great service just ordered my ring I'm optimistic