ocular muscle

NOUN
13 LETTERS · STARTS WITH O

ocular muscle is a valid 13-letter word worth 18 points in Scrabble and 25 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
O1C3U1L1A1R1M3U1S1C3L1E1
1 + 3 + 1 + 1 + 1 + 1 + 0 + 3 + 1 + 1 + 3 + 1 + 1 =18 PTS
DOUBLE WORD → 36TRIPLE WORD → 54
MEANING

What does ocular muscle mean?