title: [Convergence function of preschool children].
mesh_terms: D002648:Child; D002675:Child, Preschool; D003290:Convergence, Ocular; D004864:Equipment and Supplies; D005133:Eye Movements; D006801:Humans; D007223:Infant; D008722:Methods
vernacular_title: Sostoianie konvergentsii u deteĭ doshkol'nogo vozrasta.