Kala Pharmaceuticals (NSDQ:KALA) shares dipped this morning on fourth-quarter results that came up short of the consensus forecast. The Watertown, Mass.-based company posted losses of -$31.1 million, or -55¢ per share, on sales of $2.2 million for the three months ended Dec. 31, 2020, for a more than $10 million bottom-line slide on sales growth of…