During pregnancy, numerous changes are manifest in the eyes and their adnexa that are normal to the state and disappear with its termination. Not infrequently, however, disturbances of vision arise in the course of gestation and during the puerperium which are danger signals of the greatest importance. These visual disturbances may be the first indication of the gravest danger to the life of the woman, or the first symptoms of disease of the various ocular structures which may terminate in diminished vision or even blindness.
All the elements necessary for the growth of the fetus and for the promotion of its metabolic activity are derived from the maternal body, which must also take care of the waste products arising from the increasing cell activity. While the pregnant state is a physiologic condition, there is, nevertheless, an enormous demand made on the reserve material of the maternal body. In addition, there