I had mixed feelings about that. Hmmm, a bit presumptuous to assume all seniors had cataracts, but if the window glass had magnification, that WOULD be helpful. But still, somehow it didn't seem nice.
I had no idea Niagara Falls, NY is nicknamed the Cataract City, derived from the Latin word cararacta, which means "waterfall." Much like The Big Apple or Gateway City (St. Louis: gateway to the West.) The things you learn!