Journal Article
                        
                        Tahhan, Nina, Timothy R Fricke, Thomas  Naduvilath, Jane  Kierath, Suit May  Ho, Gerhard  Schlenther, Brian  Layland, and Brien  Holden.  
"Uncorrected refractive error in the northern and eastern provinces of Sri Lanka." Clinical and Experimental Optometry 92, no. 2 (2009): 119-125.