Are my cats pupils normal?

[Hippykitty]

Try taking a flash photo with the cat looking at you, from a distance of several feet. Normal eyes have a white-gold "red eye"; however if the light reflects back blue, take to vet, as this could be a sign of a tumour.

But if you mean the colour of the iris, variations are normal, provided this is nothing new. But to be on the safe side,  take to vet.

[Mark]

If you look on Lesley's thread in rehoming - "First pregnant cat of the year - piccies added 13 June 2010" - at the beginning, there is a photo of meow meow - her eyes are like that - I think it is quite common and normal I hope as my eyes have a grey and a blue band 

With humans, apparently,  if there is a light band around the edge of the iris, it can signify heart problems. My mum told me this years ago - Apparently, a heart specialist was watching Poirot and during a close-up, they noticed this band around David Suchet's eye. They contacted ITV and told them he needed to get to a heart specialist immediately. I don't know the ins & outs but he needed a triple bypass or something and probably would have had a heart attack and died otherwise   

[clarenmax]

Without seeing in person what you're talking about its difficult to say 

My Max had green eyes, and there were 'sections' to his eye which were shaded differently.

However, if what you're seeing is any different to normal, then a vet check is best, especially with eyes 

[Millys Mum]

Any changes in the eye should be checked by a vet asap 

[Lotzy]

I've noticed over the last new days that when one of my cats pupils are half dilated, there is a blue/black shadow around the outside of them. They dilute normally according to the light and are not cloudy. She seems to have no problems seeing things. Don't think it will make a difference, but her eyes are green. Her brother has paler yellow eyes and he doesn't have this shadow. Does anyone else's cat have a shadow and does anyone think anything could be wrong?