eye disease

NOUN /aɪ_dɪ'ziz/
11 LETTERS · STARTS WITH E

eye disease is a valid 11-letter word worth 14 points in Scrabble and 13 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
E1Y4E1D2I1S1E1A1S1E1
1 + 4 + 1 + 0 + 2 + 1 + 1 + 1 + 1 + 1 + 1 =14 PTS
DOUBLE WORD → 28TRIPLE WORD → 42
MEANING

What does eye disease mean?