Love is Blind Eye Serum was a Love Potion from the WonderWitch line by Weasleys' Wizard Wheezes that was sold in 1996.
Behind the scenes
The origin of the name of the serum is to be found in Shakespeare:- Love looks not with the eyes, but with the mind, And therefore is winged Cupid painted blind. (A Midsummer Night's Dream, 1.1.231-2)