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. 2021 Sep 27;15:3909–3913. doi: 10.2147/OPTH.S334108

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© 2021 Athukorala et al.

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Double-angle plots depicting ocular residual astigmatism (ORA) using (A) Keratometry; K, (B) Simulated Keratometry; SimK, (C) Total Keratometry; TK, and (D) Total Corneal Power; TCP.