@article{article43246049,
title   = {A simple method for estimating the economic cost of productivity loss due to blindness and moderate to severe visual impairment},
author = {Eckert, Kristen A. and Carter, Marissa J. and Lansingh, Van C. and Wilson, David A. and Furtado, João Marcello Fortes and Frick, Keven D. and Resnikoff, Serge},
year = {2015},
doi = {10.3109/09286586.2015.1066394},
journal   = {Ophthamic Epidemiology}
}