Equine Vision Information
Horse Sight Guide
Monday 20 September 2010
When buying a horse for sale, you should be fully prepared to give it the best horse care possible. To do this effectively, it’s important to know about the different parts of the body. The horse eye is the biggest out of all land mammals, and is a vital contributor to the way a horse behaves for many reasons.
Horses have always been prey animals, which means they flee as soon as they feel like they are in danger from a predator. For this reason, their vision is directly related to their behaviour.
The wall of a horse eye is made up of 3 layers:
• Nervous tunic (retina)
• Vascular tunic (uvea)
• Fibrous tunic (sclera and cornea)
Horse Eye Colour
Mainly, the equine eye is dark brown in colour. However, the iris can be blue, hazel, amber or green. Usually, horses with white patterns or markings will have blue eyes.
If you’re considering a horse for sale, then it is important you know about how it sees and what that means for you and others around. The eyes are positioned on either side of the head. Horses have two blind spots. Be aware that a horse cannot see directly in front of its face, or directly behind. Horses also have a smaller field of depth perception than humans.
Other Horse Eye Facts
• A horse’s visual acuity (how well they can see) is 20/33, which is a bit worse than the 20/20 of humans and better than dogs, cats and rats.
• Horses are not colour blind but they cannot distinguish red.
• They have superior night vision and their eyes adjust to sudden changes in light quickly.
Find a horse for sale at Horsemart.
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