Assertion: color blindness's cause | /r/HasProperty | loss
Facets:
Source sentences:
text: The five leading causes of impaired vision and blindness in the United States are age-related macular degeneration cataract glaucoma lack or loss of ability to see (see).
text: The main cause of this type of colorblindness is the loss or limited function of red cone (known as protan) or green cone (deutran) photo-pigments.
text: The five leading causes of impaired vision and blindness in the United States are age-related macular degeneration cataract glaucoma lack or loss of ability to see (see).