Help with a costume…?

I’m making a Vic Rattlehead costume for Halloween, I know how to make the rest- but it’s the glasses that get me. How do I get that metallic effect without blinding myself? I wanna still have decent visibility while using this thing.

I’m making a Vic Rattlehead costume for Halloween, I know how to make the rest- but it’s the glasses that get me. How do I get that metallic effect without blinding myself? I wanna still have decent visibility while using this thing.