Alternate cover
Mostly used for patients with strabismus and intermittent strabismus. If the non-covering eye moves from the outside to the inside, it means that the patient has exotropia; if it moves from the inside to the outside, it shows that there is an inside strabismus; if there is a vertical movement, it means that there is a vertical strabismus, that is, upside or downside.
The material in this site is intended to be of general informational use and is not intended to constitute medical advice, probable diagnosis, or recommended treatments.