Optical Evaluation of Intracorneal Ring Segment Surgery in Keratoconus.

Transl Vis Sci Technol · 2022 · PMC8934543 · PMID 35289835

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a clear trendno p-value reported

BCVA improved significantly (from 0.49 ± 0.23 to 0.65 ± 0.28, P = 0.004) and showed a clear trend to improvement in VS.

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did not reach statistical significanceno p-value reported

Globally, these trend in RMS_asym were similar for 5-mm (48 patients with RMS_asym changed from 4.7 ± 1.8 μm to 3.9 ± 1.9 μm, P < 0.001) and 6-mm ICRS optical zones (76 patients with RMS_asym changed from 4.5 ± 2.3 μm to 3.3 ± 2.9 μm, P = 0.069) but in the second group the variability was larger, and the change did not reach statistical significance.

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