White Cat With One Blue Eye Deaf
He was an orphan born deaf with one blue and one green eye.
White cat with one blue eye deaf. Sectoral heterochromia is when the iris of a single eye contains two colors so a single eye may be split between blue and green. Interestingly if a white cat with one blue eye is deaf in only one ear that ear will invariably be on the same side of the head as the blue eye. 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.
Cornell University - Ask Elizabeth. 15 40 of the 5 have one or both eyes that are blue. 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.
Overall deaf cats with white coat colour and one or both blue eyes make up around about 1-15 of the total cat population. First of all it can be said that not all white cats are deaf but they are more likely to be deaf since they carry the so-called gene W White of white in English especially those that have one eye of each color or blue eyes. --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.
The reason is the aforementioned W genotype. 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. Its my understanding that cats with only one blue eye are likely to be deaf in the ear nearest the blue eye but weve been unable to detect any problems with Toby.
Hope this is the fact. Well opinions vary and so do research conclusions. Are odd-eyed cats deaf in one or both ears.
White cats with blue colored eyes are deaf and more than 50percent odd-eyed cats suffer from this problem. And 65 to 85 percent of white cats with two blue eyes were deaf. Gallaudet University - Cat breeds with tendency to hereditary deafness.