Although the improvement of visual acuity did not reach statistical significance in the entire group, the average of the ETDRS scores significantly improved from 29.5±5.1 to 31.8±5.0 (mean±SE, P =0.0407, paired t-test, Fig.
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Transcutaneous electrical retinal stimulation therapy for age-related macular degeneration.
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0.0407
0.0407