Is it normal for the whites of a baby's eyes to be blue

Sometimes parents will pay attention to the newborn baby's white eyes are not pure white, but a little blue gray color, most of which is normal. The main reason is that the baby's white eye is relatively thin sclera, may be through the relatively thin sclera can see through the sclera inside some pigment film color, or sclera surface has some pigment spots and so on, such reasons may cause the white eye looks not so white, a little blue. There are also very few infants with congenital genetic diseases, called blue sclera. This disease may also be accompanied by some other manifestations of the whole body, such as deafness, brittle bones, etc., this situation is abnormal.