Yes, but only if the blade penetrates all the way to the brain, which is not easy.
they look at you through the corner of their eye or take a quick look
Yes its possible, you can pour the raindrop in their eye and stab them in the eye with the leaf and they can bleed to death.
if you point it at them long a nuf it will kill them
they can be, a weapon is something used to inflict and/or kill someone with an airsoft gun say you shoot someone in the leg it will bruise that makes it a weapon but if you shoot them in the eye you can ether blind or kill them.
A quick glance is when someone shifts their eyes in a nano second to either see a person or object moving or something that catches their eye and then reverts their eyes looking the forward or to the other side.
Glance
kill your eye cells.
Peep Eye
Odysseus injures the Cyclops by stabbing him in the eye with a sharpened olive stake, blinding him.
they stab him in the eye with a sharpened stick. and make him go blind by stabbing him in the eye. they also strap thereselves underneath three sheep to escape.
he dosent kill him he blinds his eye
Oddesy defeated Polyphemus by stabbing him in the eye and blinding him while his friends and himself could escape.