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Anyone have double vision or seeing double or more issue while shooting and more importantly a fix. I have a student who has this issue . It seems to come and go. I had him try shooting both eyes open, one eye open and one eye open/ squinting a bit.
 
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He better see a doctor about his eyes. If it isn't his eyes it might be an indication of a more serious problem. I had a cousin who was born with one eye crossed and they had him wear a patch over one eye until the other eye muscle had enough strength to stay straight. I would think having the problem come and go would be even harder to correct but I am not a doctor or anything.
 

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Putting on my instructor hat, I'd be extremely cautious in any recommendations involving an intermittent problem involving vision. That's getting into the realm of being a professional medical issue. If it was constant then you followed the expected options of one eye closed, both open, etc. but man there's liability involved with trying to recommend a fix for an intermittent medical issue.

I'd be worried that there's a potential major health issue in the symptoms you described and the student may have more pressing issues that need to be addressed.

I may be a bit over cautious but I've had interactions with students that on the surface it appeared to be a simple problem and had it turn out otherwise.

I'd be very interested in what your final outcome is with this. Best of luck!
 

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It kinda happen to me after I have been shooting for a while. More of a blurred vision. Send him to an optometrist. Believe it or not it could be as simple as a vitamin deficiency. Or so I was told
 

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Rocky, I have had the same problem my whole life and my only fix is to close one eye. Instructors gripe about it but it is the only solution.

My vision is just fine until something blocks one eye (like a sight or a scope) and then my eyes "unsinc" and I see two distinct pictures from both eyes. My left eye stays on target and my right eye moves up and right and it totally confuses things. My brain still tries to keep it all together and I get a red dot or crosshairs in both sight pictures. So one eye will be seeing a dot on the target and the other eye will be seeing the dot near where the wall meets the ceiling. It gets confusing as heck. My solution is to close my right eye.

A way to tell if someone struggles with what I struggle with is if they can look through binoculars or not. I have to close one eye to use binos.

I believe my condition is called Amblyopia.
https://en.wikipedia.org/wiki/Amblyopia
 
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Some good advice. I did suggest he go to the eye doc and get checked out. I know he works behind a computer , which may not help his vision either. Will see if he gets to an eye doc , hopefully soon. The different eyes open stuff was to try and fix or minimize the issue. Since it didn't help , hopefully the doc will.
 

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Just curious rocky, did you do the test for a dominant eye? Some folks have difficulty with this and it's often a precursor to vision problems while shooting.
 

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I agree that he needs to see a qualified eye specialist.

If it turns out to be just some harmless vision quirk and he is seeing the same double image every time then he should be able to learn which one will get him a hit on target and which will result in a miss.
 

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Anyone have double vision or seeing double or more issue while shooting and more importantly a fix. I have a student who has this issue . It seems to come and go. I had him try shooting both eyes open, one eye open and one eye open/ squinting a bit.
It sounds like Astigmatism. When the cornea has an irregular shape, it is called corneal astigmatism. When the shape of the lens is distorted, you have lenticular astigmatism. As a result of either type of astigmatism, your vision for both near and far objects appears blurry or distorted. It is not uncommon and can usually be corrected either with glasses, some types of contact lenses and sometimes with Lasix.

I have even had problems with warped corneas several years ago due to poorly fit contacts. That was corrected over time with different eyeglass prescriptions, new lenses about every two months until the cornea was round again.

About 2 years ago, I got an eye infection. It may have been from getting poked in the eye with a tree branch. Whatever the reason, it didn't get better after various antibiotics and anti fungal treatments so eventually I had to have a corneal transplant. I no longer have an infection but a transplant almost always results in Astigmatism. Mine was like triple vision. I have since had more corrective surgery but still have double vision. A normal cornea should be round, mine is kind of football shaped and bad enough that it can't be corrected with glasses. I have to wear a custom gas permeable lens. It not ideal but at least I can see.

I'd recommend you suggest having your student see an ophthalmologist.
 
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I've been dealing with eye issues for most of my life. I had amblyopia when I was a kid and my eyes were badly crossed. I had surgery when I was 7, but my brain compensated for double vision by only allowing me to see out of my left eye. In order to see out of my right eye, I have to close my left one. I found that I can only shoot if I close my left eye. The best advice I can give is for him to find something that works for him and then practice a lot until it becomes second nature. I found that if I don't practice a lot, I will forget to close my left eye and my shots will be way off target.
 
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I tend to double-vision, especially within the last 10 years or so. It can be a struggle. The condition seems to be inherited from my mother's side of the family. The condition gets worse with age too. Thankfully, along with being right-handed, I'm right eye dominant. I'm finding myself to be canting my head down, chin slightly to the left, when I shoot handguns these days. At this point, this seems to force the double-vision away. I find myself driving the same way. While my distance vision is still great, the doctor gave me some prismatic glasses with no other correction for driving but they're unpleasant to use and leave me feeling queasy. Besides, I'm afraid the glasses will only encourage already weakened eye muscles to deteriorate further and faster. Doctor says eye exercises can delay the onset, but probably won't avoid double vision.

Despite the issue of double vision, I cannot make myself shoot with one eye closed. It feels too foreign.

My mother really embraces any sort of medical treatment or prescription she can find, being a true believer in the wonders of modern medical science to provide her with the "elixir of youth." I've observed her for the past 30 years, struggling to find a treatment for the condition. First it was ever-increasing prism in her glasses. Then she went to a specialist who promised that surgery would fix the problem. He clipped and reattached the muscles controlling vision directional coordination. Fixed her right up. Within 5 years though the double-vision began to creep back. Now she's in her 80s and her glasses again have built in prism. I want to avoid that surgery myself, which seemed so futile.
 

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I have double vision in both eyes. Docs just look at me funny when I mention it and never do anything about it. Worse in the left. Can close either eye and still see two in the other. Yeah, weird.
 

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I have double vision in both eyes. Docs just look at me funny when I mention it and never do anything about it. Worse in the left. Can close either eye and still see two in the other. Yeah, weird.
And to think of all the times you thought you were dating twins.......
 

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Tell him to see a doctor. An eye specialist, at least at first.

A little over a year ago I started having problems with my vision. It would be sharp at times and then I would have problems focusing. I went to my eye doctor and had an exam. My prescription had changed enough that he told me he wasn't going to write a new one until I went to see my doctor. He wouldn't offer an opinion, so I went and had a workup at my doctor.

It turns out that due to a running injury, I had reduced my calorie burning and my metabolism had slowed a bit. Since I hadn't changed my eating patterns, my doctor told me that my blood sugar level was up, as was my cholesterol. "Eat better and get more exercise," I was advised. "Come back in six months and we'll run the tests again. If they are still elevated, we'll put you on medication (ostensibly to treat a pre-diabetic condition).

The eyes and the extremities (particularly toes) are where diabetes manifests itself most.

After getting back into running and getting back on a healthier diet, on my return to the doctor, my levels were all back down, and my eye doctor wrote me a new prescription that was much less demanding.

See a specialist!
 
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Just curious rocky, did you do the test for a dominant eye? Some folks have difficulty with this and it's often a precursor to vision problems while shooting.
Yes we did.
 

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I'm an Optician (and Pastor) It could very well be that he is farsighted but undiagnosed. If he's young enough he may be able to still focus. The problem is that when the eyes focus, they cross, or one eye turns in. This creates double vision. The condition is called Accomodative Esotropia. If untreated with glasses or surgery, it can lead to permanent vision loss in one eye, which is called Amblyopia


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Hmmm ... I'm quite farsighted, always have been.

Could explain much, Grantspastor.
 

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Well, the thing that I need answered is whether or not he/she only has intermittent double vision while shooting...or if they are having intermittent double vision in day to day activity. If they are only having occasional double vision while trying to shoot and focus on sight pictures, then you more than likely have an isolated eye problem, often some sort of refractory error. If this person is having random episodes of double vision just walking around town regardless of what they are trying to do with their eyes then that is another set of differentials entirely and could be something more serious.
 
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