Never had the privilege of young eyes , Glasses as long as I can remember .
I guess I would shoot instinctive now a days
I remember the days when a halo on the front sight made a big difference,and we would get into the girls fingernail polish to brighten up the sights , the for runner to the fiber optics you speak of I guess ! Hot pink or pearly white were the best options then but with the stuff the kids wear today there would be all kids of wild options

Glad to see things don't really change much !