What is Eye Dominance?

By GDC Staff

Determining which of your eyes is dominant will improve your accuracy. (Photo: Jacki Billings/Guns.com)
If you’ve stuck around the gun world long enough, you’ve no doubt heard the term “eye dominance” but what exactly is eye dominance and why does it matter to shooters?
What is eye dominance?
To put it simply, eye dominance references the eye that does the heavy lifting when it comes to human optics. It’s the eye that is preferred and has greater input when relaying information to the brain — specifically in regards to the location of objects.
“To state it differently, the two eyes do not affect the visual consciousness with equal force. One eye leads the other, and this leading eye is called the dominant eye,” Dr. Walter Fink said in a 1938 study on the dominant eye. “Just as the two hands are unequal in response, both from a motor and from a sensory standpoint, so are the eyes. Just as a person may be right-handed or left-handed, so he may be right-eyed or left-eyed.”
Humans can be either right-eye dominant, left-eye dominant, or cross-eye dominant. Most commonly, right-eye dominant individuals are right-handed while most left-eye dominant individuals are left-handed. For some, their dominant eye is not

Source: Guns.com