Assertion: eye's lens | /r/Synonym | ciliary muscles
Facets:
value: through the action of small muscles
type: MANNER
Source sentences:
text: Through the action of small muscles (called the ciliary muscles), the lens becomes thicker to focus on nearby objects and thinner to focus on distant objects.
text: Lens is permanently spherical and there are no ciliary bodies.
text: Through the action of small muscles (called the ciliary muscles), the lens becomes thicker to focus on nearby objects and thinner to focus on distant objects.