Putting in contact lenses - I'll have to give that a go one handed. Could be done with a subtle thumb-flick on to the fourth finger perhaps. Holding a contact lens cleaning solution with one hand and a contact lens delicately perched on a finger in the other is one more consideration.
Yep, that's utterly impossibly for a vice/clamping device to do.
Yep, that's utterly impossibly for a vice/clamping device to do.