Why Do Siamese Cats Have Crossed Eyes – Facts To Know

The Siamese cat is a captivating and elegant breed with vibrant blue eyes and blooming points of color, but despite centuries of breeding expertise, many of them have crossed eyes, which raises the question: why do Siamese cats have crossed eyes?

The reason why Siamese cats have crossed eyes is due to a genetic condition called Strabismus, which causes the eyes to be misaligned and not see straight because the center of the retina is shifted for both eyes. Although not all Siamese cats have crossed eyes, those that do cross them intentionally. Additionally, some Siamese cats with the albino gene can only see straight when their eyes are crossed.

Despite the careful breeding of Siamese cats, some still possess the noticeable defect of crossed-eyes, which was not always a trait that breeders aimed to eliminate. While breeders do select against cross-eyed offspring, the genetic outcome of Siamese kittens is ultimately beyond their control, and there remains a slight possibility that a kitten may be born with crossed-eyes.

Why Are Some Siamese Cats Cross-Eyed While Others Aren’t?

Siamese cats that do not have crossed eyes are considered lucky as they do not display the negative effects of excessive breeding. Although breeders try to prevent this defect by selective breeding, it cannot be completely eliminated.

Siamese felines are partially albino, meaning they come into the world with a white coat and gradually develop distinct color patches on their extremities, nose, and tail.

It is a misconception that all white cats are albino; however, when certain genotypes of the albino gene are present, cats may experience visual problems and other related concerns.

The reason behind the Siamese cat’s crossed eyes is due to a genetic defect in their eye structure, which results from the abnormal crossing of vision fibers in their central nervous system.

Siamese cats often cross their eyes to adjust for the abnormal crossing, especially in Traditional and Thai Siamese breeds, as the Modern Siamese variety has taken measures to eliminate this defect.

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Should I Be Worried If My Siamese Is Cross-Eyed?

Observing a Siamese feline with crossed eyes, one may feel sympathetic towards them, and it’s natural to question whether they are experiencing any discomfort or neurological issues. Personally, I often wonder about this as crossing my own eyes usually results in a headache.

If you have a Siamese cat with crossed eyes, there is no need to be concerned as it does not cause any pain or have a significant effect on their quality of life, especially if they are indoor cats.

Siamese cats may experience reduced depth perception and peripheral vision due to crossed eyes, but they can still exhibit agility, activity, and playfulness as observed in personal experiences and online videos.

Siamese cats don’t feel uncomfortable when they cross their eyes to see, as it comes naturally to them and doesn’t hinder their ability to play, climb or chase.

If you’re concerned that your Siamese with Crossed Eyes won’t be able to move around your house as securely as you’d like, make sure your living area has plenty of space for your feline friend to explore and climb.

It is advisable to put soft materials such as blankets, carpets, or pillows in places where Siamese cats may fall or slip. Although they are known for their agility and ability to land on their feet, mishaps can occur during playtime resulting in scratches and bumps on their heads.

About the Siamese Breed

Despite having crossed eyes, Siamese cats remain remarkable and endearing due to this distinctive trait.

The Siamese cats are undeniably attractive. They have a slender build and a glossy coat with distinctive colorings such as seal point, blue point, lynx point, and purple point. Their captivating almond-shaped blue eyes are mesmerizing.

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Don’t worry about the crossed eyes of a Siamese affecting their overall appearance.

Siamese cats with crossed eyes exhibit the same level of playfulness and sociability as those without this condition, despite being affected by it. These felines are highly intelligent, surpassing other domestic cat breeds in terms of cognitive abilities. Moreover, they possess several dog-like traits that make them desirable pets, while requiring less maintenance.

Whether or not a Siamese cat has crossed eyes, if they are socialized properly, they have the potential to be the most amicable feline you encounter.

Fortunately, the crossed eyes of Siamese cats are not considered a defect but rather an attractive trait that is widely appreciated. Many people who plan to adopt cats specifically look for cross-eyed Siamese because they find them charming and representative of the classic Siamese breed. These cats are delightful and lively companions, and they generally enjoy good health throughout their lives.

Siamese Cat History And Crossed Eyes 

For cat owners to comprehend and value the crossed eyes anomaly, they need to have knowledge of the Siamese breed’s rich history.

Siamese cats, known as the oldest domestic feline, are believed to be the ancestor of all house cats, and it is noteworthy that several cat breeds have descended from them.

Siamese cats, which were first bred from the sacred cats of Siam in the 14th century and were initially exclusive to Buddhist monks and royal families, had mostly crossed eyes.

Nonetheless, during the 18th century’s turn, Siamese cats were presented as gifts by Thai aristocrats to European dignitaries, which led to their widespread presence in North America, Europe, and Asia nowadays.

During the 1960s, breeders grew weary of the conventional look of Siamese cats and promptly created the Modern Siamese breed, which features a triangular face, big ears, a leaner physique, and typically, eyes that gaze straight ahead.

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Due to their long history of breeding, Siamese felines are likely to possess genetic abnormalities like crossed eyes or a bent tail, which are regarded as endearing characteristics of the Traditional variety.

Instead of criticizing these defects, they should be appreciated in Siamese cats as they add historical beauty and do not diminish their value.


Siamese cats with crossed eyes intentionally cross their eyes to help their brain process a more distinct image of their surroundings.

Despite modern society considering crossed eyes as a flaw, Siamese cats were highly regarded by Thai royalty who cherished this feature and made sure it was not bred out of the Siamese breed.

Appearance is a significant concern for many individuals in our society, including cat owners, who prioritize the physical appearance of themselves, their companions, their belongings, and even their pets.

Some people view Siamese cats with crossed eyes as inferior or flawed compared to those without this trait.

The narrow-minded perspective of associating a pet’s appearance with its owner’s worth extends to other areas of human life and reinforces unrealistic beauty standards.

Having crossed eyes doesn’t make a Siamese cat imperfect, nor does it reflect poorly on its owner’s judgment or taste.

Crossed eyes are something to marvel at; any person who has a cross-eyed Siamese can attest that they would never want a cat with straight vision. If you’re considering getting a Siamese with crossed eyes, don’t think twice about it. It’s definitely worth it.

You can also check this YouTube video about this topic:

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