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. 2018 Mar 15;13(3):e0194218. doi: 10.1371/journal.pone.0194218

Fig 3. Effect of the blue-blocking filter on ERG wave amplitudes.

Fig 3

Percentages of ERG wave amplitudes in unprotected and protected groups after exposure to white light (5,000 lux for seven days; 100% response corresponds to averaged ERG wave amplitudes before the exposure). Statistically significant differences were observed in all measured ERG parameters Data in each group were averaged from a total of 6 animals (mean ± SD). Asterisks indicate significant differences using unpaired Student´s t-test (*p<0.05, **p<0.01, ***p<0.001).