Customers shopping at Dollar Tree stores across the country may have recently noticed a new addition to some merchandise: ...

Like an ink remover that can even remove Sharpie marks — sometimes you have to see it with your own eyes to believe it.

Laser keratopigmentation (also called corneal tattooing) adds color to the clear outer layer of the eye, the cornea, to mask the iris beneath. A precise laser creates tunnels in the cornea where ...