Characterization the corneal transparency profile in SMILE-treated myopic patients with densitometry: A 7-year cohort study.

The CD values at the 0-to-2 and 2-to-6 mm of the anterior layer increased at the first day ( P < 0.05) and declined to baselines at 1 year postoperatively; after that, CD values at any zone and any corneal layer presented a decreasing trend over time (all P < 0.05).

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