When I turned 40 a couple years back my eyesight started going south a bit. So anyway, today I got bifocals. My optometrist joked around asking if it helped if he referred to them as "multi-focals". Wow these things are odd. Sometimes, depending on where your eyes are in relation to the lenses, they will take a straight line and turn it into a curved line. Gonna take some getting used to, that's for sure. I've heard 2 or 3 days to sorta get the feel of them. They sure are nice for looking down and reading fine print and detailed items though. Aging sucks!