As my eye sight is becoming less reliable I am working more on silhouette point shooting.
One day I can see just fine. The next day maybe not so well for target shooting.
Man I know how that is. One days I am using these 1 inch circular stickers on the targets at 7 yards as focus points and blowing them away. The next week I have a hard time keeping the groups down to 8 inchs at 7 yeards. And forget about shooting at 25 yards. Getting old sucks.