Patients with strabismus can wear contact lenses because strabismus is mainly due to abnormal eye muscle movements or nerve-like paralysis, resulting in inconsistent viewing angles between the two eyes, that is, when the eyes are looking at the same object, one eye is gaze at the object, and the other eye may lean inward or outward, which is a manifestation of strabismus. This kind of strabismus is mainly a muscular problem and has nothing to do with the environment of the eye surface. Contact lens wear, mainly for the eye surface environment change, the two are not necessarily related, strabismus patients can be appropriate to wear contact lenses, can improve visual acuity, may also have to the correction of strabismus will have some help. Especially in children with refractive adjustment strabismus, if glasses are worn, the strabismus may be corrected to some extent. Intermittent exotropia may also be improved if contact lenses are worn.