What is Blue Eyes?

Blue eyes may be caused by iron deficiency, scleral dysplasia, uveitis and other reasons, details are as follows:

1, iron deficiency

is an important substance that constitutes scleral collagen tissue, if iron deficiency in diet, may lead to scleral thinning, unable to block the choroid in the eye, resulting in blue eyes.

2, scleral dysplasia

If children or the elderly scleral blue, may be due to thin sclera, see the color of the pigment film below, thus showing blue.

3, uveitis

uveitis refers to inflammation infection of the uveal tract, may lead to iris adhesion on the lens surface, resulting in blue eyes.