HTC Vive display is blurry

I recently bought a HTC Vive and on all of my games it looks blurry. I asked a friend who also has a Vive on what I could do, he said change the resolution percentage in Steam VR. I tried this and nothing worked, I have also tried to adjust the headset lenses (backwards and forwards and side to side) but that doesn't work either. I know VR headsets are not supposed to have amazing picture quality but it is really quite bad when I am playing, especially when I am playing pavlov, I can barely see enemies that are 10m+ from me. If anyone knows how to fix this, it would be much appreciated if you could let me know :) Thanks.