If you are a light aircraft pilot, it is best to wear non polarised sunglasses when flying because they do not cause the patterning effect that polarised lenses do when you are looking at digital navigation displays.
The same applies to yachtsmen and also to drivers of cars that have digital gauges.
Eyewear Accessories have a range of optical quality non polarised flip up sunglasses that are perfect for flying. In particular, we recommend that pilots choose our flip up sunglasses with brown non-polarised lenses.
The lenses reduce the glare when flying in bright sunshine. They...