Number of comparisons ETDRS 97% ETDRS 25% ETDRS 50% ETDRS 10% ETDRS 8%   Pearson correlation coefficient (significance) CVA98% Mes. 481 0.88 (p<0.01)         CVA25% Mes. 481   0.94 (p<0.01)       CVA50% Mes. 481     0.93 (p<0.01)     CVA 98% Pho. 481 0.51 (p<0.01)         CVA10% Glare 481       0.94 (p<0.01)   CVA 8% Glare 481         0.93 (p<0.01)

Table 3: Pearson correlation coefficients are presented between the acuity measured with each CVA module and that measured with the respective chart presenting similar luminance and contrasting letters; the MC=Michelson Contrast