what causes crossed eyes
What Is Strabismus? Strabismus, also known as crossed eyes or wall eyes, is a condition in which the eyes are not aligned (they don't look towards an object together). One of the eyes may look in or out, or turn up or down. The eye turning away can occur all of the time or only sometimes, such as during stressful situations or illness. - What Causes Strabismus? Many things and/or events can cause a strabismus. They include genetics, inappropriate development of the fusion center of the brain, problems with the controlled center of the brain, injuries to muscles or nerves or other problems involving the muscles or nerves. Strabismus Strabismus may cause amblyopia due to the brain ignoring one eye. Amblyopia is the failure of one or both eyes to achieve normal visual acuity despite normal structural health.