The nervo-muscular mechanism of the eyes and Routine in eye work . Fig, in. associated action of two pairs of the ob-liques) ; (3) the two interni for converg-ing the eyes on an object near bv (with- 2 18 The Nervo-Muscular Mechanism of the Eyes out torsion if the near point be in the ex-tended horizontal plane of the head) ; (4)the right externus and the left internus,for effecting the right cardinal rotation;(5) the left externus and the right inter-nus, for effecting the left cardinal rota-. Fig. IV. tion (these two rotations will be aroundthe vertical axis of the eye without tor-sion) ; (6
The nervo-muscular mechanism of the eyes and Routine in eye work . Fig, in. associated action of two pairs of the ob-liques) ; (3) the two interni for converg-ing the eyes on an object near bv (with- 2 18 The Nervo-Muscular Mechanism of the Eyes out torsion if the near point be in the ex-tended horizontal plane of the head) ; (4)the right externus and the left internus,for effecting the right cardinal rotation;(5) the left externus and the right inter-nus, for effecting the left cardinal rota-. Fig. IV. tion (these two rotations will be aroundthe vertical axis of the eye without tor-sion) ; (6) the two superior obliques foraiding the two inferior recti in the down-ward cardinal rotation, their chief workbeing to maintain the parallelism of thetwo vertical axes with the median plane ofthe head; (7) the two inferior obliques toaid the two superior recti in the upwardcardinal rotation, their chief work being n
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Keywords: ., bookcentury1900, bookdecade1910, bookpublishernashvilletenntheau
