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Ixnay the Og-fay
The Nerdwax FogBlock is a reusable coated microfiber cloth that keeps your lenses fog free.
Simply breathe on your lenses to fog them, then wipe evenly with cloth... boom! You are now UnFogettable.
Buy 3 and Save - 1 for w...
Reviews
4.5
41 ratings
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Its awesome. And works well. I jst have to reapply it more often than id like. But that might not be avoidable 🤷♀️
A
A · May 29, 2026
It Works!
I followed the directions to wash my lenses with warm soapy water, dried them and then used the Fog Block wipe. I usually fog up because I get stressed at work as a busy Charge Nurse running around and this helped so much! No fogging! I reapply about every 2 weeks when I start to see the fog creeping back in.
W
WM · April 8, 2026
Effective!
Had some skepticism, but tried it and worked so well I reached the end of the day of going in and out of buildings several times--on a wintery day that otherwise would have had me taking my glasses off every time to clean them--and suddenly realized I hadn't had to clean them once!