facial vision

fa·cial vis·ion

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
References in periodicals archive ?
At Avon, rehabilitation had been partly based on the belief that the blind possessed "facial vision," an acute sensitivity in the nerves of the face that allowed them to anticipate environmental hazards.