7Kaakinen K.A Simple method for screening of children with strabismus,anisometropia or ametropia by simulataneous photography of the corneal and the fundus reflexes.Acta Ophthalmol,1979;57:161
8Kaakinen K.A clinical study on the detection of strabismus anisometropia or metropia of children by simultaneous photography of the corneal and fundus reflexes.Acta Ophthalmol,1979;57:600
