This chart is based on the gold standard layout of the ETDRS chart with five letters per line in 0.10 logMAR steps ... Shah N, Dakin SC, Dobinson S, et al. Visual acuity loss in patients with ...

The PKC-DRS was designed to test the primary hypothesis that RBX, a β-isoform-selective PKC inhibitor, would delay either the progression of DR on the ETDRS ... or better visual acuity, and ...