Assertion: cataract | /r/HasProperty | principal cause of blindness
Facets:
value: in the world
type: LOCATION
Source sentences:
text: It is the most common cause of vision loss in people over age 40 and is also the principal cause of blindness in the world.
text: It is the most common cause of vision loss in people over age 40 and is also the principal cause of blindness in the world.
text: Cataracts are the most common cause of vision loss in people over the age of 40 and is the principal cause of blindness in the world.
text: Cataract is the most common cause of vision loss in people over age 40 and is the principal cause of blindness in the world.