White Cat With One Blue Eye Deaf
Of those white cats with one or two blue eyes 60-80 are deaf.
White cat with one blue eye deaf. So not all white cats are deaf and not all blue-eyed white cats are deaf but a great many of them are so-affected. 15 40 of the 5 have one or both eyes that are blue. 20-40 have normal hearing.
Still Burning via Flickr The terms complete heterochromia and sectoral heterochromia are mouthfuls and sound like technical jargon but really they just come from the term heterochromia iridis which is greek for. 40 percent of white cats with one blue eye were deaf. These cats will have hearing loss on the same side that she has a blue eye.
He would still suckle on the palm of my hand. Hope this is the fact. 60 80 of the fully white cats with one or both blue eyes are likely deaf.
--White felines who have odd eyes usually have one blue eye and one green or yellow eye--A lot of white kitties have both eyes of the same color. If a white cat has 2 blue eyes it is 3-5 times more likely to be deaf than a cat with 2 non-blue eyes and a cat with 1 blue eye is about twice as likely to be deaf as a cat. In those with only one blue eye 30-40 will be deaf so the majority will have normal hearing.
Sectoral heterochromia is when the iris of a single eye contains two colors so a single eye may be split between blue and green. The reason is the aforementioned W genotype. Strangely blue eye white cats tend to be deaf even more than others.
When Mair 1973 and Bergsma Brown 1971 examined the effect of blue eye color on deafness they found respectively a prevalence of deafness unilateral and bilateral combined of 85 and 649 in cats with two blue eyes 40 and 391 in cats with one blue eye and 167 and 22 in cats with no blue eyes. A detailed study was conducted in the year 1997 of white cats with varying degree of deafness and it was found that more than 70 cats were suffering from deafness. The percentage rises to 40 percent if the cat has one blue eye while upwards of 65 to 85 percent of all-white cats with both eyes blue are deaf.