Well, generally speaking, for yellow eyes, when your eyes take on a yellow tinge, the reason is usually jaundice. And according to some experts, a substance called bilirubin, which remains after old red blood cells are disposed of, is responsible for the yellow pigment. And If too much bilirubin accumulates in the body, jaundice can result. For it occurs with different reasons, just go and check your eyes with eye doctor, and he can just give some advices. For example, you need to increase your iron intake if it is found your yellowing eyes are due to anemia. And just eat foods such as beef, liver, chicken, green leafy vegetables and beans to increase your iron levels.