Assertion: lens's design | /r/CapableOf | incorporate shift
Facets:
value: in lens position
type: LOCATION
Source sentences:
text: Multifocal contact lenses are typically designed for constant viewing through the center of the lens, but some designs do incorporate a shift in lens position to view through the reading power (similar to bifocal glasses).
text: Multifocal contact lenses are typically designed for constant viewing through the center of the lens, but some designs do incorporate a shift in lens position to view through the reading power (similar to bifocal glasses).