Under normal conditions, a Ragdoll cat's eyes should be of equal size and respond similarly to changes in light. For example, during the daytime when the light is strong, both pupils will constrict into thin, even slits. At night, when the light is dim, the pupils will dilate, allowing the cat to absorb more light and see objects more clearly in low light environments. This ability to adjust to lighting is a natural function of the eyes, helping cats maintain optimal vision regardless of the time of day.
However, if you notice that your Ragdoll's eyes appear smaller than usual, it's important to consider the possible reasons. If your cat's small eyes are not due to genetic factors and there are no other unusual symptoms, your Ragdoll may be experiencing Horner's syndrome.
Horner's syndrome is not a disease in itself but rather a term used to describe a set of neurological symptoms. Interestingly, this condition can affect not only cats but also humans. It occurs when there is damage or disruption to the sympathetic nervous system, which can lead to symptoms such as unequal pupil size, drooping eyelids, or the exposure of the third eyelid. In cats, including Ragdolls, this condition can cause one eye to appear smaller than the other due to abnormal pupil constriction.
In addition to Horner's syndrome, other medical issues could be the culprit. If your Ragdoll's eyes have been exposed to bacteria or pathogens, there's a possibility that they could develop an eye infection, such as conjunctivitis. Conjunctivitis is a common eye condition in cats and can result in noticeable symptoms like red, inflamed conjunctiva, light sensitivity, excessive tear production, swelling, and uneven pupil size. Left untreated, conjunctivitis can lead to further complications, including vision impairment or even blindness.
If you observe signs like redness, excessive discharge, or swelling in your cat's eyes, it is crucial to take them to the vet as soon as possible. Early diagnosis and treatment can prevent the condition from worsening and ensure your Ragdoll cat maintains healthy vision. Keeping your cat’s eyes clean and monitoring for any changes in behavior or appearance can also help catch potential problems early on. Proper veterinary care, alongside regular checkups, will ensure that your feline friend stays healthy and happy for years to come.