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Face Mask Vision Field Tester

Mask Visual Field 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 vision
Specifications:
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


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