My Border Collie is just over 9 years old and has over the past couple of days started to walk into a lot of things.

I have checked her eyes and they are cloudy and react very slowly to light change, also the whites of her eyes are very bloodshot. Is there a possibility that she has gone blind or could it just be an infection?

It just seems a bit bizzare as it seems to have come on just in the past two or three days and it has been very hot. Could it be connected to the heat?

Any help or advice would be much appreciated.

You really need to take her to the vets. They will be able to perform a detailed examination of the eye.

Dogs do lose their sight with age, but 9 seems a little young. Collies do have a hereditary eye problem..

CollieEye.org.uk - Collie Eye Anomaly information resource

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Knacker Lacquer - Adds Luster To Your Cluster

I agree...We do sometimes see age related changes that can cause vision loss, but what you have described sounds like something more acute and potentially a serious problem. If the whites of the eyes are red then there is definitely some type of medical problem. I would be concerned about infection, uveitis or glaucoma.

With eye problems it is always best to be safe rather than sorry and get them dealt with immediately!

Dr. Marie.