AbstractGet full access to this articleView all access options for this article.Get accessReferences1.Efficacy and safety of 0.1% cyclosporine A cationic emulsion in the treatment of severe dry eye disease: a multicenter randomized trial. Eur J Ophthalmol. 2016;26(4):287–296.2.The ABPI Code of Practice for the Pharmaceutical Industry. Available at: http://www.pmcpa.org.uk/thecode/Pages/default.aspx. Accessed October 25, 2015.3.Number needed to treat. Calculates the NNT to prevent one additional adverse outcome. Available at: http://clincalc.com/stats/nnt.aspx..
