I'm training, I poke someone's eye on accident. The sparring stops.
I watch mma, and I see fights won by eye poke (lidell vs. 'opponent's name here,' cro-cop vs. barnett, Ricardo Arona vs. Alistair overeem.)
I'm fighting mma, on instinct, 'cause I'm a badass, and punch my opponent in the face . . . I poke his eye and . . .