Yes, although the path is not always clear. In fact, there is some literature indicating that the stress of childbirth in conjunction with some biological factors result in blindness post partum.
A Review of the Changes in the Ophthalmic and Visual System in Pregnancy Author(s): Afekhide E. Omoti, Joseph M. Waziri-Erameh and Valentina W. Okeigbemen Source: African Journal of Reproductive Health / La Revue Africaine de la Santé Reproductive, Vol. 12, No. 3 (Dec., 2008), pp. 185-196 Published by: Women's Health and Action Research Centre (WHARC) Stable URL: http://www.jstor.org/stable/20617085 ;
Mental stress as consequence and cause of vision loss: the dawn of psychosomatic ophthalmology for preventive and personalized medicine.