Chemical in cigarette smoke may damage important aspect of vision

“This particular aspect of vision is really important because it affects your ability to see the end of a curb or put a key into a lock in low light,” said lead author Adam Paulson of the University of Wisconsin, Madison, School of Medicine. “It’s something that at this point in time there’s no way to correct, unlike visual acuity, which you can easily correct with glasses or contact lenses.”