Assertion: cuttlefish's pupil | /r/CapableOf | reduce light
Facets:
value: significantly more than it reduces
type: MANNER
Source sentences:
text: Computing a retinal illumination map shows that the W-shaped pupil is effective in balancing a vertically uneven light field: The constricted pupil reduces light from the dorsal part of the visual field significantly more than it reduces light from the horizontal band.