I am over 50 and wear progressive lenses. I can see fairly well at a distance in the daytime, up close is the bigger challenge. I can see the target and the front sight post well. The problem I have is the rear sight peep hole appears as four holes kind of blurred together. I don't knot which of the blurry blobs to look through. So, I have some expensive optics installed and with the scope have not problem. I can use open sights well, both a v notch and u notch work on other rifles that I have. Just the peeps are unusable for me. Does anyone know of any fix for the peep sight problem that I have?