The iridescent layer is a colour-changing marvel that transformed with the seasons. When it is carved in two like this, the startling colours of the reindeer eye become obvious. Part of the national ...

Reindeer noses are not the only parts of their bodies that can change color. In the summer, part of the back of their eye turns a gold-turquoise color. Sign up for Chip Chick's newsletter and get ...

A veterinary eye expert has explained what Santa's reindeer can see as they fly through the sky on Christmas Eve. Chris Dixon, clinical director at Linnaeus-owned Veterinary Vision, which has a ...