Black eyes are brown around them.

The white color of eyes consists of bulbar conjunctiva and sclera, and bulbar conjunctiva covers the surface of sclera; With the increase of age, the bulbar conjunctiva will proliferate, and a large number of substances such as cholesterol and iron ions will be deposited in the bulbar conjunctiva, making it yellow, which is called white yellow. Patients with hepatitis will have jaundice and scleral yellow staining.

Your condition may also be inflammation caused by wearing contact lenses. It is better to rest more if you use your eyes for transition.

It has no effect on vision, and painless can be ignored, otherwise it can be recovered by surgery.