Guys, is there any eye drops that can make the white eye become whiter? What is the brand name and where can i get them?

Ah! I actually googled and stumbled upon this product called Collyre Bleu that using blue liquid to cancel out the yellow surface of your white eye and makes ur eyes become purely white. And I heard there are products to make your blood vessels on your white eye become less visible. Just that I couldnt find these products in the pharmacies or Guardian or Watson.

Well my eyes are not really yellowish, but when im getting older, i can see the blood vessels become more and clearer.

U where to get these supplements, any brands for suggestions?