squint at someone or something
to look at someone or something with the eyes partly closed. (When squinting, the eyes are partly closed by pressing the upper and lower eyelids toward one another.) Why are you squinting at me? I had to squint at the small print in order to read it.
squint out of something
1. to cast one's gaze from something, such as a place of concealment, with one's eyes partly closed. The prisoner squinted out of the little hatch in the door to his cell. You could see that many people were squinting out of the windows, trying to get a good view of the movie star who was visiting.
2. to cast one's gaze through something, such as glasses, one eye, etc., with one's eyes partly closed. she squinted out of one eye in the bright sun. Tony squinted out of his glasses and his mother decided that he needed to have his eyes checked again.