cat eyes

Siamese cats should have vivid blue eyes as per the cat associations' breed standards

Can a cat recognize its owner from a distance without smelling them or hearing their voice?

Yes, is the answer to the question in the title. I can produce the results of a couple of tests that were passed by domestic cats as evidence. Firstly, mine. When I buy the paper in the morning, I have to walk to a garage about half a mile away. My cat follows me – …

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Cat senses for survival

A cat’s senses are ready and waiting

Here comes Toji! – Photo by fofurasfelinas (link at base of page) This is a really nice picture by a well-known Flickr photographer, Giane Portal, Flickr name: forfurasfelinas, of a sanctuary or rescue cat (she is heavily involved in cat rescue) named Toji. As we can see, he is a brown mackerel tabby cat and …

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Siamese cats should have vivid blue eyes as per the cat associations' breed standards

Can Siamese cats have green eyes?

As per the Cat Fanciers’ Association (CFA) breed standard the eye colour of the Siamese cat is always a “deep vivid blue” and that eye colour is the same across all the different Siamese cat colours from seal point through to chocolate point, blue point and lilac point. And it is the same across the …

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Progressive retinal atrophy (PRA), a hereditary eye disease leading to blindness, was found in the Abyssinian breed of cat

Primary Abyssinian cat health problem is inherited progressive retinal atrophy (PRA) causing blindness

Introduction: I am focusing on the primary health problem suffered by this cat: inherited progressive retinal atrophy which is very serious. The first section was written by ChatGPT, an AI computer. It is well written and accurate in my view. There follows references to 3 studies. Progressive retinal atrophy (PRA) is a group of inherited …

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Picture of Scottish Fold cat with wide open eyes

What does a cat signal with their eyes?

A domestic cat companion’s eyes are expressive. There are probably five basic eye configurations: Wide-open pupil i.e. a dilated pupil with wide-open eyes Narrowed eyes with a narrow slit of a pupil Half-closed eyes with the pupil in a relaxed mid-range position Closed eyes Stare Background The pupil is the aperture of the eye which …

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Corneal sequestrum in a Persian cat

Sphynx cats have a higher prevalence of certain ocular diseases compared to other feline breeds

Introduction A lot of this was written by ChatGPT by the way, an AI chatbox owned by Elon Musk. The man is a genius and a super-workaholic. I am always interested in inherited diseases of purebred cats because I like medical stuff and I strongly disagree with cat breeding if it depends on inbreeding (most …

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Cat with 2 individual whiskers that curl up and touch both her eyes

Cat’s whiskers curl up into her eyes. Should the owner trim them?

In the photo you can see 2 individual whiskers curling up into this cat’s eyes but the owner says that their cat is unperturbed (but they might be mistaken). The picture is strange and a bit disturbing. The owner of the cat asks other Reddit.com users whether they should trim the two individual whiskers. Remarkably, …

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Tabby cat with triangular pupils which is called coloboma

Domestic cat with triangular-shaped pupils (coloboma)

This tabby cat sitting outside minding his own business with a nice collar and bell to help protect the birds has very interesting eyes because the pupils are triangular-shaped due to a congenital condition called coloboma. This is particularly noticeable in domestic cats because we know that they have pupils which vary from a circle …

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A cat's slitted eye

2 reasons why domestic cats have slitted eyes (there are actually 3!)

People ask “Why do domestic cats have slitted eyes?” The reasons are (a) they can use the closing of the eyelid to reduce even further the light entering the eye beyond simply closing the aperture of the pupil and (b) to maximise blur behind and in front of the object focused upon to improve horizontal …

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Note: sources for news articles are carefully selected but the news is often not independently verified.
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