Assertion: eye | /r/CapableOf | control its strength
Facets:
value: through a diaphragm
type: MANNER
Source sentences:
text: In greater organisms, the eye is a complicated optical system which gathers light from the surrounding environment, controls its strength through a diaphragm, focuses it through a versatile assembly of lenses to create an image, converts this image within a set of electrical signals, and transmits these signals towards the brain via complicated neural pathways that connect the eye through the optic nerve towards the visual cortex along with other areas of the brain.