I wont pretend to be a pet expert, but take it to the vet as soon as possible.
That's normal, Some are born with it, If it didn't have one before go to the vet.
It sleeps with 2 eyes closed
My hamster does to and have nothing to do it's eyes are red and swollen
From iCowMoo, Your Hamster could have peed on itself or have crusty eye I am sorry I am not sure I just told you all I could.
Your hamster might be a mutant. Just kiding check your hamster's larger eyes color and compare it to its smaller eye, if theres any difference in there color see a vet.
It sounds as if your hamster is sick. The best answer you can get is from your vet.
you may get babies of either eye color, or a combo. they had a really cute hamster in the pet store last week that had one ruby eye and one black eye.
It sleeps with 2 eyes closed
No, a purebred Burmese catcan't have one yellow eye and one green eye.
Yes, there are purebred American Shorthair that have one blue eye and one green eye.
Yes, there are some purebred British Shorthair that have one blue eye and one green eye.
yes it is quite common for white cats to have one green eye one blue eye
I think that the rarest type of hamster is the golden hamster because it was the first hamster breed ever discovered.
No
It is best to just take the hamster to the vet.
yes the hamster will not get hurt if it eats a green bean
Izzy has one emerald green eye and one half brown half green eye
My hamster does to and have nothing to do it's eyes are red and swollen