blindness

NOUN
9 LETTERS · 2 SYLLABLES · STARTS WITH B

blindness is a valid 9-letter word worth 12 points in Scrabble and 16 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
B3L1I1N1D2N1E1S1S1
3 + 1 + 1 + 1 + 2 + 1 + 1 + 1 + 1 =12 PTS
DOUBLE WORD → 24TRIPLE WORD → 36
MEANING

What does blindness mean?