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Diopter Focus

reached the age in which the proper diopter setting is just beyond the available diopter adjustment range.

I'm in the same boat. It seems the thread @Im2bent references is concerning the parallax setting matching the image focus? Ideally we'd have image focus and parallax correction match, but if we can't get perfect reticle focus we may have "some" error, but not enough to mess things up too bad.
 
Do you wear glasses?
I do not. But as the years tick by, I suspect my right eye (the scope eye) could use some help. I have a problem with red dots not being dots with the same eye. I am a pilot and I'm in law enforcement. Both make me take an eye test each year and they have always passed me. Would glasses change where my eye wants the diopter setting to be?
 
I do not. But as the years tick by, I suspect my right eye (the scope eye) could use some help. I have a problem with red dots not being dots with the same eye. I am a pilot and I'm in law enforcement. Both make me take an eye test each year and they have always passed me. Would glasses change where my eye wants the diopter setting to be?

Yup definitely. If I take my glasses off the reticle is not clear at all. Go to an eye doctor and get tested and get a set of glasses.
 
You have astigmatism which can be cured with Cataract surgery replacing your lens of the eye.
I had it done a few years ago and all dots are dots now and I can Clearly see thin cross hairs and everything else.
-Richard
 
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No matter what you do, you must see an OD that is familiar with the shooting you are are trying to do!
Most OD’s have no conception of the problems encountered with the various shooting disciplines.
When having problems with the rear site on-a pistol, My usual OD reccamanded another OD who specialized in these problems. He allowed me to bring a pistol and he discovered that with my right eye, all I required was an uncorrected lens as my near vision was fine for a pistol.
Until I had cataract surgery, all my red dots were not dots. Now they are dots!
The new lens in my right eye changed me from right handed, left eye dominant to right handed, right eye dominant.
My Trap shooting improved by a large margin to where now I regularly shoot in the high 20’s.
I also can see fine cross hairs and a 1/8 MOA dot with no problems.
-Richard
 
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