My eyesight has gotten bad enough that I usually only shoot targets on the range early in the morning .. when the sun is coming up behind me and the sights and the targets are very clearly lit. No shadows or bright spots either side.

Even then, when looking through the sights very long things begin to fuzz. Sometimes I can close my right eye and shoot with my left eye til it fuzzes and then switch back the right eye. And sometimes even that does not help. -sigh-

Last time at the range I took a pair of those cheap walmart magnifiers and they helped for awhile. The sights were pretty clear and the target was fuzzy but I could hold center OK.

Been going back to practicing "point shooting" where basically all you see is the front sight and the target. At the Shootists Holiday we were shooting 8" steel gongs at 15 yards or so. I ran 30 or 40 rounds just point shooting and was able to hit the gong more than 90% of the time. Years ago I would never have missed it. It takes some practice to get the muscle memory in place.

To force myself to do it I put a piece of tape over the rear sight. Practice bringing the gun up and catching the front sight in peripheral vision and pulling the trigger at the correct spot. It's a fun way to run through a bunch of ammo and with practice can be fairly accurate.

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Ele era velho.
Ele era corajoso.
Ele era feio.