title: Who is blind(ed) for what??
authors.affiliation: Department of Anesthesiology and Intensive Care Medicine at Karolinska University Hospital Huddinge and Karolinska Institutet, Stockholm, Sweden. Electronic address: jan.wernerman@karolinska.se.
authors.forename: Jan
authors.initials: J
authors.lastname: Wernerman
authors.affiliation: Department of Anesthesiology and Intensive Care Medicine at Karolinska University Hospital Huddinge and Karolinska Institutet, Stockholm, Sweden.
authors.forename: Olav
authors.initials: O
authors.lastname: Rooyackers