Exotropia may be present from birth, but most commonly is seen in children 2 to 7 years of age. Generally the eyes turn out on rare occasions at first, but with time more frequent outward turning of the eyes is noted. Children with exotropia occasionally squint one eye when exposed to bright sunlight. The treatment for large amounts of exotropia is usually eye-muscle surgery. Children with misaligned eyes will generally turn off the vision in the turned eye so that they are not plagued with double vision.
Lazy eye is reduced vision from lack of use in an otherwise normal eye.
It usually happens only in one eye. Any condition that prevents a clear image can interfere with the development of vision and result in amblyopia Amblyopia is common, affecting about two percent of children. Because early treatment offers the best results, your pediatrician will refer you to an ophthalmologist. A cataract is a clouding of the eye's normally clear lens. Cataracts may be present at birth or may appear later in life.