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