Over the last couple of years I have reduced my strings from 13s down to 11s in an effort to help and to be fair it has a bit. But I have been trepidatious with regard to going and lighter for fear of sounding like I was playing a toy.
Having said that I have just put on a set of Elixir extra light 10s, don't laugh I know I am a big Jessie. Now this is quite a pricy experiment but I only ever play Elixir because in the heat here ones fingers sweat and the Nanoweb coating makes them outlast other makes by miles plus they almost eliminate squeak.
But aching fingers forced my hand. Bearing in mind I never play "unplugged" I have now played gigs twice with the new strings and sound wise a slight tweak of EQ and I can't tell the difference coming out of the speakers but I can to my poor fingers. I was even starting to go to an open chord where a bar was more appropriate and now I can go back to the way the tune should be played.
So, sore digits? Don't listen to the "macho men" get "girly" lights and play on.