[Classification of nonparetic vertical strabismus related to vertical rectus surgery (author's transl)].

Results following vertical rectus muscle recession and classification of vertical strabismus due to the field of action of the vertical recti. 100 cases of vertical squint underwent surgery of the vertical recti (recession of the superior rectus muscle in 92 cases). One third achieved binocular functions partly based upon microtropia. It may be of special interest that 5 of 19 patients with "dissociated" alternating deviations could be cured by bilateral recession of the superior rectus. The authors try to give their own modification of the difficult classification of the different clinical types of vertical squint, since the results following the treatment of the various types were quite different.