Methods Statistical analysis was performed on 586 patients with concomitant esotropia about the distribution of concomitant esotropia,visual acuity and esotropia deviations.

Methods Forty-six cases were divided into several groups by the ways of anesthesia,age differences,courses and strabismus degree.

This paper presents the principle and measuring method of a laser instrument used to measure runway horizontal visibility and approach visibility.

Operation timing of severe strabismic amblyopia in 32 cases;

Study on Effect of Microstrabismus in Children to the Stereopisis;