Originally Posted by
ForeverFO
I buy $8 cheap shades at the 7-11; use and abuse as needed, and when broken or lost, as they inevitably are, no big deal.
And yes, even the cheap ones block UV, which isn't an issue in the cockpit anyhow, as aircraft windows already block UV.
ALPA Aeromedical article on this topic
http://www.alpa.org/portals/alpa/mag...Sunglasses.pdf
Cockpit windows block UV-B. UV-A rays, still come thru, and is a reason that I use sunblock in the cockpit, for both UV-A and UV-B
Understanding UVA and UVB - SkinCancer.org