"field of regard"@en-us . "field of vision"@en-us . . . . . "0"^^ . . "all of the points of the physical environment that can be perceived by a stable eye at a given moment"@en-us . "105933638"^^ . . "105588423"@en-us . . "visual field"@en-us . . . . "visual field"^^ . "0.125"^^ . . "05933638-n"^^ . . . "104556193"@en-us .