09. Gowrisankaran S, Nahar N, Sheedy J, Hayes J. Visual and cognitive load determines severity of near work induced asthenopia. Optom Vis Sci 2007; 84:E-abstract 075095.

09. Gowrisankaran S, Nahar N, Sheedy J, Hayes J. Visual and cognitive load determines severity of near work induced asthenopia. Optom Vis Sci 2007; 84:E-abstract 075095.