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. 2024 Mar 20;16:25158414241232258. doi: 10.1177/25158414241232258

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© The Author(s), 2024

This article is distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 License (https://creativecommons.org/licenses/by-nc/4.0/) which permits non-commercial use, reproduction and distribution of the work without further permission provided the original work is attributed as specified on the SAGE and Open Access page (https://us.sagepub.com/en-us/nam/open-access-at-sage).

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Figure 4. — Multiple methods of therapeutic refractive surgeries in keratoconus.^{31,85,88–92}

CXL, corneal cross-linking; PRK, photorefractive keratectomy; PTK, phototherapeutic keratectomy; TG-PRK, topography-guided photorefractive keratectomy.