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Eye Dominance
Eye Dominance

Most right-handed people are right-eye dominant and most left-handed people are left-eye dominant.  But this
certainly isn't true for everyone.  For some people, hand and eye dominance are opposite.

Are you right or left-eyed?
Make a circle with your thumb and first finger. With both eyes open look at an object on the wall or in the
distance, and centre it inside the circle. Now close one eye, and then the other. What happens?








What’s happening?
When you closed your left or right eye you should have found that the object jumps outside the circle. If the
object seemed to move when you closed your left eye – then you have left eye dominance. If the object moved
more when your right eye was closed, then your right eye is the dominant one.

Your brain builds up an image of the world around you using slightly different views from your right or left eye.
Most people tend to have a dominant eye so that even when both eyes are open, one is giving priority
information.

The object you chose was lined up to be in the circle using information from your dominant eye. When you close
this one you can see that the object was not lined up for your other eye.

About 80% of the population are right-eyed, and a very small percentage seem to have no eye-dominance at all.

So what…?
If you take part in any sport that involves shooting at a target (eg archery or darts) then you should know your
eye-dominance. Left eyed people should shoot with their left hand and vice versa.

Here is another easy test for this.  While looking through your circle, close one of your eyes.  If your hand
appears to "shift" suddenly to the side, the eye you have closed is your dominant eye.  If you close one eye and
nothing really seems to happen, then you have closed your non-dominant (recessive) eye.  Of course, you can
see the object with either eye, providing you just use one eye at a time.  But if both eyes are open, your
dominant eye will always take-over and demand the sight-line through the circle.

Shooting a Bow?    If you plan to shoot your bow by closing one eye and sighting with the other, it doesn't really
matter whether your hand and eye dominance match or not.  However, most serious archers sight and shoot
their bows with BOTH EYES OPEN.  Shooting with both eyes open gives you a much brighter and more natural
field-of-view, even when looking through a peep sight.  The dominant eye focuses crisply and does the actual
"sighting" through the restricted area of the peep sight, and the other eye "fills in the gaps" in the picture (though
not in complete binocular focus).  

Field-of-View:  One Eye Open                                             Field-of-View:  Both Eyes Open









Shooting with both eyes open, makes it easier to follow the flight of your arrow all the way to the
target.  But when you shoot with one eye closed, you'll often "lose" the arrow in flight because the
peep sight jerks upwards at the shot, temporarily obscuring your line-of-sight.  

Your dominant eye needs to be directly behind the string to line everything up.  When the bow's sights
are adjusted properly, your visual sight line should mimic the flight path of the arrow (not considering
the arrow's parabolic arc).  But with regards to the left and right aiming of the bow, the line-of-sight
and path of the arrow should be the same.

When the bow is sighted with the dominant eye, everything works as it should.  The line-of-sight and
the path of the arrow are similar, and the arrow hits the target.

But if a shooter tries to sight the bow with the recessive eye while keeping both eyes open, the
dominant eye takes over (even though it's not looking through the peep sight).  The dominant eye
commands the sight line automatically.  This puts the first point of your line-of-sight, your eye, roughly
3 inches off to one side.  To compensate, the shooter turns the bow dramatically towards the
dominant eye.  Unfortunately, when this happens, the sight-line and the arrow's path are no longer the
same.  The arrow misses dramatically left or right and "sighting-in" becomes all but impossible.


Truth is, right-hand bows are meant to be sighted with the right eye.  Left-hand bows are meant to be
sighted with the left-eye.  And trying to force the issue otherwise is often a frustrating and futile act.  
Over the years, we've even witnessed a few shooters with eye-dominance conflicts try to lean over
far enough to see through the peep sight with the outside eye.  Of course, this creates an entire host
of new ergonomic and shooting form problems, and it's a solution we strongly discourage.   

For those with eye-dominance conflicts, the issue of right vs. left ultimately boils down to choice.  If
you are right-handed, you're of course a little stronger and more coordinated with your right arm.  So
naturally, you would want to shoot a right-handed bow.  But, if you happen to be also be left-eye
dominant, you have to make a choice.  You must either shoot a right-handed bow - and learn to sight
the bow with one-eye squinted closed, OR you must adapt to shoot a left-handed bow so you can
keep both eyes open and sight with your dominant eye.  It's a difficult choice, and there is no right or
wrong answer.  However, we do make the following general recommendations.

1.  If you are a new shooter, by all means, buy a bow that matches your eye-dominance so you can
learn to shoot with both eyes open.  If you have no old habits to unlearn, you'll probably adapt quickly
to the off-handed bow and never know it was supposed to be awkward.

2.  But if you are a long-time shooter (archery, rifle, pistol, etc.), and you're already accustom to
closing your dominant eye when you shoot, you may find changing to an off-handed bow to be
particularly awkward and frustrating.  In this case we recommend you not make the change and stick
with your current technique (aka...dance with the one that brung 'ya).

Again, there isn't a right or wrong decision here.  Success in the shooting sports is often a matter of
subtleties in form and technique, and everyone is different.  Whichever method you feel will benefit
you most, and that will ultimately allow you to shoot most comfortably and accurately....that's the right
choice for you.
Archery Library:
Correct Arrow Length
Discusion on Arrow Length
Arrow Speed
Measuring Draw Length
Discusion on Draw Length
Selecting Draw Weight
Eye Dominance
Tuning LongBows/Recurves