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How Well Horses See: Vision and Visual Acuity
by Robert N. Oglesby DVM
Introduction
Introduction
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Factors Effecting Vision
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Field of Vision and Depth Perception
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Focus and Visual Acuity
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Color Vision
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Summary
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More Info
Considering the vision capabilities of horses can help explain much of the behavior of horses and therefore an important consideration for equestrians. However it can be hard to measure these because perception is such a personal experience. Even when we can speak to an individual some aspects of vision can be difficult to describe. It is the old enigma of explaining sight to someone who has never had sight or even can we ever test to see if what you see is the same as what I see. Yes we use the same words for colors but your green may be my red. Fortunately molecular biology and enhanced behavioral testing has answered some of these questions in the horse.
It is natural to think that our companion animals see very similar to ourselves but this appears far from the truth. Field of vision, color perception, night adapted sight, ability to focus, and sensitivity to motion are all things that are different in the horse but can be hard to test for.
~Word Count: 1416 words (The average magazine page contains about 600 words);
~Last Updated: April 25, 2008;
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