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. 2021 Feb 16;12:2041731421990536. doi: 10.1177/2041731421990536

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© The Author(s) 2021

This article is distributed under the terms of the Creative Commons Attribution 4.0 License (https://creativecommons.org/licenses/by/4.0/) which permits any 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 2. — Illustration of conventional corneal transplantation technique: (a) normal cornea, (b) cornea with diseased or dysfunctional endothelium, (c) part of a healthy donor tissue is replaced with (d) part of damaged recipient tissue. Representation of conventional full thickness (e) penetrating keratoplasty and selective modern transplantation procedures such as (f) anterior lamellar keratoplasty, (g) Descemet’s stripping automated endothelial keratoplasty, and (h) Descemet’s membrane endothelial keratoplasty.