Why does someone with intermittent exotropia close one eye some people may be able to adequately control the drifting with Dilating Eye Drops; Lazy eye. Lazy eye refers to the drifting or misalignment of an eye. CooperVision explains lazy eye surgery and different amblyopia treatment options. What is Intermittent Exotropia? Learn about occasional outward eye turn, wall-eyed, wandering eye, lazy eye, convergence insufficiency, exophoria and more.