Assertion: retina's rod | /r/HasProperty | sensitive
Facets:
value: extremely
type: DEGREE
value: to light
type: CAUSE
Source sentences:
text: the innermost coat of the posterior part of the eyeball that receives the image produced by the lens, is continuous with the optic nerve, and consists of several layers, one of which contains the rods and cones that are sensitive to light.
text: Rods are extremely sensitive, and can be triggered by a single photon.
text: Rods are extremely sensitive and have the capacity of registering a single photon of light, unlike cones.