Hazing of headlight cover

What can be done to clear the hazing on the headlights plastic cover? Must this be replaced or can it be cleared by some chemical or polish? Starting to limit the light coming from the lamps

thanks everyone.

r

you can take the headlights apart and clean the film off of the inside of the headlights....or you can buy new ones and save yourself the hassle or just deal w/ it..

Wet sand them with 2000 grit than buff them.. sounds wierd but it works