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. 2011 Apr 21;5:451–457. doi: 10.2147/OPTH.S18967

Figure 1.

Figure 1

Comparison of contrast sensitivity measured at 3, 6, 12, and 18 cycles per degree (cpd) preoperatively and at postoperative 1, 3, and 6 months using the Vectorvision CSV-1000E chart (n = 25 for each group, P ≥ 0.156).