Contrail (and Vapour) exposed his eyes, blast of light knocked them back, shining in their eyes.
Knocked them out, when they woke up in hospital and the spell had transferred to the two them, through Dad's eyes, in the way it was originally intended. Now their vision is flawless and augmented, just as the witch had intended for their father. Or at least that's how it seemed.
hmmm I don't think I would mind having one of you as a sniping/spotting partner... just as long as neither one of you plan to backstab me, and I hate backstabbers, my history with 'em doesn't bode well -_-... other than that I think we'll get along just fine