filipa balde usually finds some food that looks edible.e started working as a waste picker two years ago. after her husband died, the burden of feeding the family fell completely on her shoulders. the first thing she does with the chicken she retrieved from the refuse is boil it, to kill the bactereria. then she fries it with onions, and serves it to her children and grandchildren for supper. filipa: here you either have work or you don't. sure, it would be better not to have to eat this, but it's this or nothing. life is hard. reporter: her family will probably have to continue living off discarded food, but receiviving it from a food bak would certainly be better than pulling it out of a pile of garbage. she says the revolting stench is something you never get used to. host: sometimes it can be vital to look problems straight in the eye. and not just figuratively. poor vision can be very frustrating, and even dangerous. problems with eyesight are common pretty much everywhere, irrespective of age or cultural circumstances. the world heal