Pure White Cats Deaf. Not all pure white cats are deaf,as my 17 year old cat snowball is white and is definitely not deaf,even now with her age. White cats that have one blue eye are usually deaf in one ear and usually on the same side where the blue is.
Data supporting this is not available. Cats can be deaf in one or both ears. Persians also come in white or not completely pure like chinchilla.
Not all white cats are deaf.
If you suspect your cat might be deaf in one or both ears, your veterinarian can organise a baer test. Moreover, all siamese kittens are born white, developing darker colors as they grow. If 40 percent of these cats are deaf, it means the majority (60 percent) can hear. With all the books i have read and with the knowledge of cats that i have.