Is there a natural therapy to get rid of yellow eyes in a baby?

No: If a baby naturally has a yellowish tint to the whites of their eyes, there is really no natural treatment. However, if it is a newborn with jaundice, the yellow will lessen when the jaundice goes away. If it is an older infant who is feeding baby food and receiving a lot of carrots or other orange/yellow vegetables in the diet, reducing these can reduce the degree of yellow tint to the eyes.

Nope: If benign, will go away sooner or later.