sensing the proximity of objects by the nerves of the face, presumed in the case of the blind and also in sighted people who are blindfolded or in darkness.
Farlex Partner Medical Dictionary © Farlex 2012
fa·cial vi·sion(fāshăl vizhŭn)
Sensing proximity of objects by nerves of the face.
Medical Dictionary for the Dental Professions © Farlex 2012