Prospective Study of Lotrafilcon B Lenses Comparing 2 Versus 4 Weeks of Wear for Objective and Subjective Measures of Health, Comfort, and Vision Eiden, S. Barry; Davis, Robert L.; Bergenske, Peter D. Eiden, S. Barry; Davis, Robert L.; Bergenske, Peter D. Less Eye & Contact Lens: Science & Clinical Practice. 39(4):290-294, July 2013. Abstract Abstract Favorite PDF Permissions Buy