Stop the Smudge: OpClear®, a Novel Solution to the Loss of Vision During Laparoscopic Colorectal Surgery. 23 Aug 2022 Stop the Smudge: OpClear®, a Novel Solution to the Loss of Vision During Laparoscopic Colorectal Surgery. Authors: Ozgur I, Liska D, Valante M, Steele S, Gorgun E. Published: Poster presented at SAGES 2022.