I have bi-focal glasses with transitions lenses. When the sun is behind me at an angle that it can shine onto the back of the lense the light is focuses and beamed straight into my eye. It is so powerful it is like being punched and all I can see are pretty coloured zig-zag patterns. This morning, whilst cycling, I nearly passed out and it took me a few minutes to recall it happening before and what the cause was. Once I removed my glasses all was well, apart from my defective eyesight! I think in future it is clear lenses or cheap sunglasses that wont focus the light so much.
Has anyone else experienced this or am I just peculiar.
Has anyone else experienced this or am I just peculiar.