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Face Mask Field of Vision Tester
To determine whether field of vision under the mask meets the standard requirement or not.Feature:
Hemispherical surface of visual field(Including holder)Standard head mold (install electric beads and control switch)Spherical projection of field of visionSpecifications:
Perimetry semicircle radius
305mm
Left and right field of vision
≤120°
Pupillary distance
62.5mm
Head mold can move left and right
Dimensions
800×500×750mm
