A Cat’s Eyes Dilate Primarily To Improve Its Vision In Low Light.
While it could be normal, or have been normal at one time, it can also be a sign of concern. However, cats' eyes only contract into the extreme slits in bright, direct light, so you probably wouldn't see it often in. The expanding cat's eyes are clues.
Cats That Eat Toxins Will Have Enlarged Eyes.
The constantly dilated pupils may be caused by high blood pressure. In that event, she may very well be very sensitive to light. If the cat has dilated pupils and their eyes wide open it is a clear sign of fear.
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Symptoms of dilation through intake of toxins: So her eyes could've adjusted to all of that straining to see, permanently dilating her eyes. This is due to the contraction of the iris muscles.
The Pupils Will Usually Contract Very Quickly So That They Are Little More Than Slits.
You may not be looking at the same thing over time. Excessive thirst and increased water consumption. Cats have very distinctive eyes.
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If you notice that your cats eyes have become very narrow then this is usually a sign that something has stimulated them. Although some of the causes that explain why a cat has round pupils are positive, it is important to note that this is sometimes not healthy. So, a cat may seem to have constantly dilated pupils at night.