You’re rounding the corner toward a big blue oxer, hoping your horse will clear it right out of stride. All you’re thinking is, “Jump, buddy, jump!” But all your horse is thinking is, “Is that a … jump? Or another horse? Or … Man, I wish I had some glasses!”

Alas, it’s true. According to British researchers, horses don’t always see clearly. While about two-thirds of horses have normal vision in both eyes, some horses are slightly nearsighted and others are farsighted in one or both eyes. And knowing that might lead to improved safety and performance in the competition ring, the researchers said.

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