So many to choose from! Hopefully you find one you like, I just went with the regular red contacts, but not the red out where it covers the pupils that kinda freaked me out afraid I'd see everything in red haha!!!
XD if I ever got my dad to cosplay I'd be yelling *yay vincent valentine is mah dad!!!!!!!!* XD and since he has been getting a grey hair now and then (XD and he's only 33) if he goes all grey then I shall call dad sephiroth XD