Anterior corneal astigmatism was slightly reduced 24 months after the procedure, but the change did not reach statistical significance in the transepithelial CXL group (p ≥ 0.061).
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Standard corneal collagen crosslinking versus transepithelial iontophoresis-assisted corneal crosslinking, 24 months follow-up: randomized control trial.
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0.0610
0.0610