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The sun, and cats with blue eyes

Discussion in 'Cat Health' started by gibbly, Aug 29, 2012.

  1. gibbly

    gibbly Thread Starter TCS Member Adult Cat

    Jul 1, 2012
    So having never owned a blue-eyed cat before, Finn being my first, I heard something very interesting, which seemed to be backed up by something that happened today, someone I know who also has a siamese mix told me that I should not let Finn go out during the height of the day, when the sun is at it's strongest because cats with blue eyes have weaker/more sensitive eyes and therefore have poorer eyesight than cats with other eyes colors, and so bright sun can damage a blue eyed cats..eyes o3o.

    well, earlier while Finn was outside, and it started getting uncomfortable (not HOT, but that early fall sun,it kills) Finn finally decided to come in, I leave the window open, just like I do for the other two cats so they can come and go as they please, I hear this thumping on the side of the house, and Finn meowing like she wants in, so confused I go to the window, Finn is jumping up the side of the house less than a few centimeters away from the open window, almost like she couldn't find it o3o, then later on as the day progressed and the sun went down, she had no problems going in and out, keep in mind she's been going in and out for several weeks now, and has followed the other two out so she knows where to go. So I stacked it up to the sun being in her eyes.

    Now, I know albino animals have horrible vision, but blue eyes is a result of the blonde gene (or would be in humans) or so I've heard, but I've never heard of blue eyed cats having worse vision than a cat with other colored eyes? I've known people with siamese mixes that have been very skillful hunters, even better than their cats with other eye colors.

    has anybody else heard of this?

  2. orientalslave

    orientalslave TCS Member Top Cat

    Jan 23, 2012
    Blue eyes in cats have several different genetic basis, and there isn't a feline version of the 'blonde' gene.  Pointed cats (like Siamese) have a form of partial albinoism but I haven't heard of them having problems seeing though it used to be quite common to see cross-eyed cats.

    Remember that the pointed gene originated in street cats in Thailand and if it was very detrimental to their well-being as street cats it probably would have vanished just about as soon as it appeared.

    Cats that definitely can have sun-related issues are those with white ears - they can get sunburn and over time that can lead to skin cancer.
    Last edited: Aug 29, 2012

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