Peace!
Eyes and soul are connected.
1= And He (The God) it is Who has created for you ears, and eyes, and hearts; but little thanks do you give. (23:79)
2= Say to the believing men that they restrain their eyes and guard their private parts. That is purer for them. Surely, Allah is well aware of what they do.(24:31)
3 = And say to the believing women that they restrain their eyes and guard their private parts,... (24: part of 32)
4= And those who say, ‘Our Lord, grant us of our spouses and children the delight of our eyes, and make us a model for the righteous. (25:75)
5= And no soul knows what joy of the eyes is kept hidden for them, as a reward for their good works.(32:18)
6= He knows the treachery of the eyes and what the breasts conceal. (40:20)
http://www.alislam.org/quran/search2/