Assertion: lens | /r/HasProperty | thin
Facets:
value: like polycarbonate lenses
type: OTHER
value: relatively
type: DEGREE
Source sentences:
text: The lenses are also thin and light, making them ideal for long wear, even with the strongest prescriptions.
text: (This approximation relies on the assumption that the lens is relatively thin.)
text: Finally, if the lens is thin the powers of each surface can be added to give the approximate optical power of the whole lens: −13.4 diopters.
text: Like polycarbonate lenses, lenses made of Trivex are thin, lightweight and much more impact-resistant than regular plastic or glass lenses.