Are both of my eyes equally dominant?

Asked by PhiNotPi (12686

) July 17th, 2013 from iPhone

For various reasons, I have been thinking about eye dominance recently. I’ve tried an eye dominance test (form a triangle with my hands and focus on a distant object). The results have always been confusing. Whenever I looked at a distant object, I saw two transparent copies of my hands. I couldn’t really put the distant object inside of the triangle, because there were two triangles. In the reverse fashion, focusing on a close object creates two copies of the distant object. Both the left and right “copies” are equally visible.

These double-vision effects have been obvious to me for my whole life.

One person has mentioned that both eyes may be equally dominant. Is this a possibility?

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2 Answers

I would say possible, but not likely.

Remember, the word is ’ equally, ’ so that means just that and as we are bilaterans and somewhat developmentally, at least, asymmetrical, so I would say you have a dominant eye. The degree of that dominance would need to be shown empirically though.

Neodarwinian (3008

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It is possible for people like myself who have equally dominant cerebral hemispheres. This is rare but it has some advantages despite some of the visual challenges you experience. Where one hemisphere does not become dominant, the eyes are co-dominant and double vision is the result, especially at close range. There are some special tests to demonstrate co-dominant hemispheres. One is know as the dichotic listening test. You can find more about it in the psychology literature.

Dr_Lawrence (20014

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