How to Overcome Serious Yellowing Eyes Due to my Allergic Problem?

hye im a 20 years old female.. im so upset with my eyes condition since i was kid.. is it possible to get the normal eyes colour? can anyone suggest me a suitable treatment for my problem.. i've heard about i-brite eyes whitening treatment but it is too expensive.. can please explain to me whether this treatment worth or not and please tell me the intensive treatment other than that to get my self confident back. thank you so much.