That would be incredibly disorienting. You would eventually get used to it, and your brain may even eventually reprogram itself for this new vision to be normal, but it would be awful at first. And if it switches back.
Where should this comment appear?
This pairing only
Whenever "Your vision suddenly reverses so that everything is flipped front-to-back. ..." appears
Whenever "Your vision suddenly reverses so that everything is flipped horizontally" appears