Cat with Blue and Yellow eye

[silver]

What's the condition of this cat?
Is this common?

it seem to be common thing, way back when i was in elementary had a cats like this male an female though defferent side blue eye sa male was at the ryt side n left sa female and ila mga anak same sad, and aunt cats were thesame

[Chinese Kung Fu]

Choya sa mata ah... Murag mao mani iringa katong gi balita sa tv sauna..