This caught me off guard haha… I got new glasses recently and when I fired up the UV cure station to tinker on a new xFD keychain design, I noticed the LEDs were white not the expected purple… but the little specs of dust inside being illuminated by the LEDs were still purple… figured out it was my glasses blocking UV but the fluorescing of the dust was actually purple… lower wavelength than UV proper
Here’s what I expected to see…
Here’s what I saw…
That has caught me off guard so many times since adding in blue light blocking coatings… I actually need to buy some without.
I have worked with and attended AAO (American academy of opthalmology) now for the past 10 years and currently there is little to no scientific evidence to support Blue blocking lenses help with fatigue or eyestrain. The blue light emitted from our devices is too weak to actually do anything.
But if you like them go for them. It’s mostly a marketing tactic IMHO.
Haha, damn it! They got me.
I wear Dillon optics because they claim their lenses are near IR. I have no way of knowing if they are I just think they look cool AF
For facial recognition ir blocking glasses 
