Free from what obscures or dims
Admitting light so that objects beyond can be seen
He held up a hand, fascinated to see through it to the car parked in front of him.
She's not comprehended the depth of my intelligence to see through her guise.
He'd heard it in her thoughts even if she didn't speak the words, and her ability to see through him as he did everyone else amazed him.
She walked towards the brightest of the glowing doorways and hesitated, unable to see through it.
She went to him, unable to see through the darkness even while walking through it.