SOURCE

*   inVentiv Health Research & Insights TreatmentAnswers, MAT ending October 2016.
1   Market Scope 2011 Report on the Global Market for Dry Eye Products 2011, 1-148.
2   Data on file. Allergan. CSR 11193X-001.
3   Market Scope 2015 Report on the Global Market for Dry Eye Products 2015, 1-218.