a deterioration in vision with no apparent cause. Acuity is lost and can include painful symptoms like burning and tired eyes, double vision, convergence and concentric field constriction.
Cite this page: N., Pam M.S., "FUNCTIONAL BLINDNESS," in PsychologyDictionary.org, May 11, 2013, https://psychologydictionary.org/functional-blindness/ (accessed February 24, 2021).