André Somers wrote:
Robin Birch wrote:

Although I have not had the problem with instruments I have had it with
PDAs
in the cockpit. Personally I don't think that polarised sunglasses are
the things to use when flying because of the possibility of seeing the
stress lines and so on in the canopy and the possibility of interference
with LCD
displays. I much prefer tinted specs for this reason.
I agree with your assessment that polarised glasses are not a good idea in
the cockpit. They take away glare, and it is exactly that glare that might
draw your attention to that other glider comming right at you.

André