*SDI’s Physician Drug and Diagnosis Audit (PDDA), January 2008-December 2008.

** IRI Total U.S. F/D/M Dollar Sales and Unit Sales, 52 weeks ending 1/31/10.

1 Schaumberg DA, Sullivan DA, Buring JE, Dana MR. Prevalence of dry eye syndrome among US women. Am J Ophthalmol. 2003; 136: 2318-326.

2 Toda A, MD. LASIK and Dry Eye. Comprehensive Ophthalmology Update. August 2007; 8(2):79-85.

3 Data on file. Allergan, Inc.