To be safe from the refraction of light from oncoming vehicles and see the road during fog when driving. Specially for two wheelers.
Answers (2)
There are glasses that have a yellow tinge to them that are supposed to make it easier to see at night. These are the type of glasses you would want : <http://www.amazon.com/Driving-Glasses-Polycarbonate-Anti-reflective-Protection/dp/B000LS6H58> or <http://www.amazon.com/gp/product/B012MI577S/ref=pd_lpo_sbs_dp_ss_2/178-4591446-9896036?pf_rd_m=ATVPDKIKX0DER&pf_rd_s=lpo-top-stripe-1&pf_rd_r=1A6B27RSR63W7JBA2D69&pf_rd_t=201&pf_rd_p=1944687642&pf_rd_i=B000LS6H58>
Sorry, take away the ">" at the end of the first link and that should work.