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. 2023 Jul 28;10:1141438. doi: 10.3389/fmed.2023.1141438

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Copyright © 2023 Yang, Dong, Bai, Alzogool and Wang.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Co-occurrence network of keywords in myopic corneal refractive surgery study. The size of the points represents the frequency, and the keywords are grouped into five clusters: (Cluster 1 – Red) Outcome of refractive surgery; (Cluster 2 – Green) Preoperative examinations of refractive surgery; (Cluster 3 – Blue) Complications of myopic corneal refractive surgery; (Cluster 4 – Yellow) Corneal wound-healing and cytobiology research related to photorefractive laser keratotomy; and (Cluster 5 – Purple) biomechanics in myopic corneal refractive surgery. The minimum number of occurrences of a keyword was set as 8. Of the 4,133 keywords that were involved in myopic corneal refractive surgery research, 184 keywords met the threshold.