i wouldn't use it..
coz i am trying to be considerate, i am not trying to pin point
anyone.
Just my two cents worth of sharing..
I do have friend who is deficient in sight so jolly well
understand.
Try standing in their shoe before we do anything thinking its only
a short usage. Our short usage might be nothing to us, but to them
its something very much inconviences.
So spare a thought for them, tks