Look near not strabismus look far strabismus is a type of intermittent exotropia, this type is also known as separated too strong type, meaning that look far strabismus degree is significantly greater than look near, generally in ophthalmology need to be greater than fifteen trigeminal degrees. Intermittent exotropia is divided into several types: first, the basic type, which means that the degree of strabismus is basically the same for distance and near vision. Second, the collection of insufficient type, refers to the near-sighted strabismus is significantly greater than the far-sighted, strabismus degree is generally greater than or equal to 15 trigeminal degrees. Thirdly, the pseudo separation is too strong, that is, the strabismus of the far-sighted is obviously greater than that of the near-sighted, but after covering one eye for one hour, the strabismus of the far-sighted and near-sighted are basically equal, so the near-sighted does not strabismus the far-sighted strabismus belongs to the separation is too strong type of intermittent exotropia.