Medical personnel give specific types of strabismus specific names based on the direction your child's eyes turn. Esotropia, for example, is the term doctors use when one or both of your child's eyes turn inward. Exotropia is the term doctors use when one or both of your child's eyes turn outward. Hypertropia is the term doctors use when one of your child's eyes deviate upward. Hypotropia is the term doctors use when one of your child's eyes deviate downward.
Esotropia can arise from multiple conditions.
Exotropia also arises from several conditions. A special type of exotropia, called intermittent exotropia, occurs when one eye occasionally wanders out. Intermittent exotropia may have genetic or hereditary causes. A cataract is any clouding of the lens of the eye. The lens sits behind the pupil of the eye, and when the lens is clear, the pupil appears black.