Prism lenses causing sickness

[Al5026]

This has answered an issue I’d had some years back. Bought aftermarket lenses for my M frame, can’t remember the brand but within half of hour of running in them I’d start to feel a bit ‘off’. And If I tried to focus on the detail of something specific while running, it was just awful and made me feel ill. Can’t explain it any better than that but thought it was me. Now I know it wasn’t!

 

[Tom.]

Pol. might cause issues..... can't see how Prizm can cause any.

 

[Tomcat14]

I almost only use polar iridium and polar prizm lenses and i have never had any problem.