Answer: squinting

AnswerCrossword Clue
squintingPartly close (one's eyes) for such reasons
squinting(of a person's eye) Have a deviation in the direction of its gaze
squintingLook at someone or something with one or both eyes partly closed in an attempt to see more clearly or as a reaction to strong light
squintingSQUINT, to look with the eyes partly closed
squintingHave eyes that look in different directions