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. 2015 Nov 16;10(11):e0143085. doi: 10.1371/journal.pone.0143085

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© 2015 Markun et al

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.

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Fig 2 — Fig 2 shows outcome data for the ETDRS visual acuity through the study period. Point estimates are mean numbers of correctly identified letters, error bars represent 95% confidence intervals. The red line is for the intervention group, the black line is for the control group.