visual field (VF), the area of physical space visible to an eye in a given position. The average VF is 65 degrees upward, 75 degrees downward, 60 degrees nasally, and 90 degrees temporally.
visual field (VF), the area of physical space visible to an eye in a given position. The average VF is 65 degrees upward, 75 degrees downward, 60 degrees nasally, and 90 degrees temporally.