Assertion: cataract's lens | /r/CapableOf | change shape
Facets:
Source sentences:
text: The lens changes shape by contracting and relaxing the ciliary muscles to change the focal distance of the eye by making the lens thicker or thinner.
text: This lens is designed to move or shift in shape, just as your natural lens might do.
text: See The young eye has a lens that changes shape to focus on all three distances, but the older eye or the eye with a plastic lens implant after cataract surgery cannot do this.
text: The younger lens can change shapes rather dramatically allowing reading at very close distances when the lens is thicker.