Shooting with an astigmatism

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 Shooting with an astigmatism Empty Shooting with an astigmatism

Post by Pbmoser1954 on 7/3/2019, 9:22 am

ZAre there any Bullseye shooters out there using a dot sight that have an astigmatism?
 When I shoot I don’t have a crisp round dot. After doing some research some are saying use a prism type sight. What are the  shooters using that have this problem. And did it correct it. 
I’m going to the eye doctor today for my two year exam taking my dot sight with me and discuss my problem.
Pbmoser1954
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Post by javaduke on 7/3/2019, 10:08 am

I have the exact same problem, and I use an aperture, it helps a little bit, and also I reduce the size and brightness of the dot as much as possible. So far I'm able to keep my slow fire scores in low 90s and call most of the shots correctly Smile
Either Lyman EyePal or Merit aperture works. I prefer EyePal because it doesn't leave any residue on my prescription glasses, but Merit is more adjustable.

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Post by fc60 on 7/3/2019, 11:52 am

Greetings,

I have about every ailment to my vision.

However, with corrected lenses, the Red Dot looks nice and sharp.

Are you using your distance or iron sight prescription?

Red Dots are designed to focus at infinity with distance vision.

If you look at a Red Dot with "iron sight" lenses, it looks like a giant fireball.

Cheers,

Dave
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Post by 1joel1 on 7/3/2019, 2:49 pm

I try to lower the intensity of the dot brightness, and that helps. Otherwise, I get a little comet tail coming out around 4 o'clock. My astigmatism is compensated for, but I still get it.

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Post by -TT- on 7/3/2019, 4:33 pm

What brand and model is your sight? My right eye correction has a small amount of cylinder, and some red dots turn into pentagon patterns through my glasses. Take the glasses off and it's perfect.

I am currently shooting an Aimpoint H1 and have almost no issue, glasses on or off.

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Post by David R on 7/3/2019, 4:54 pm

I find the bigger the dot and the dimmer I can use it, the clearer.
Plenty of corrected Astigmatism
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Post by Pbmoser1954 on 7/3/2019, 8:12 pm

I am shooting a Ultradot 30 mm. 
 My prescription really didn’t change. Except for the bifocal part. The doctor made a little stronger. So I’m going to get one pair of glasses strictly for long distance no bifocals. Hopefully that cures the problem.
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Post by -TT- on 7/3/2019, 8:46 pm

Any kind of diopter/close vision makes the red dot really bloom, definitely. I have a lower bifocal on my shooting glasses but I had them make it for arm's-length distance (reloading/bench focus) and also requested the sharp line version, with the line set fairly low. Through the upper distance prescription, it shows no distortion through the red dot. So I'd say you don't have to give up the bifocal, just be sure it's far from the business area.

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Post by jglenn21 on 7/4/2019, 2:31 pm

Having suffered with it forever. Single vision lenses and turning the dot down helps a ton
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