Night Optics Falcon 6x Gen 3 Gated Long-Range Night Vision Binocular - Manual (Page 68)

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(5) Chicken Wire. An irregular pattern of dark thin lines in
the field-of-view either throughout the image area or in parts of the
image area (see Figure 2-7). Under the worst case condition,
these lines will form hexagonal or square-wave shaped lines. No
action is required if this condition is present unless it
interferes with the operator's ability to view the image or to
perform the mission.
Figure 2-7. Chicken Wire.