Assertion: eye's lens | /r/HasProperty | transparent biconvex structure
Facets:
value: not part of these layers
type: OTHER
value: perfectly
type: MANNER
Source sentences:
text: Not part of these layers, the lens is a perfectly transparent biconvex structure held in place by a circular system of zonular fibers that attach it to the ciliary body and by close apposition to the posterior vitreous body (Figure 23–1).
text: crystalline lens, lens, lens of the eye biconvex transparent body situated behind the iris in the eye; its role (along with the cornea) is to focuses light on the retina
text: The lens is a transparent biconvex structure suspended immediately behind the iris, which focuses light on the retina (see Figure 23–1).