According to the Guinness World Record, There was a german woman named Veronica Seider (super human) had vision 20x better than average. She could identify people more than a mile (1.6 km) away.
The normal human eye has a visual acuity of 20/20 while Veronica Seider has an acuity of around 20/2.
A normal human can barely see 20 feet away details, but Veronica could see details over a mile.
She was born in 1951 and Died on Nov 22, 2013
