What a brilliant invention! Never mind asking us what we wear our reading glasses for, ask us what our reading glasses still don't help with! I wear my reading glasses for so many things - reading, sewing, craft work, computing, watching TV, checking the ingredients of something in the shops, consulting the map when navigating on a journey.
However, there are many instances where they are not strong enough and I have to resort to trying to keep a loupe in my eyesocket while using two hands to do some fiddly job, like replacing the minute screws when they fall out of my specs, getting out splinters, deciphering tiny print.
Only today I had to untie a knot that had formed itself in a nylon thread. The only way to get it out was by using a pin as a marlin spike to get into the knot and tease it apart. Without the loupe I couldn't see exactly where to insert it, with the loupe in place I had only a few seconds to work before letting go of the thread to pick up the fallen lens from the table and put it back in my eye. Most frustrating (I did succeed eventually)