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. 2023 Mar 2;10:1135592. doi: 10.3389/fmed.2023.1135592

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Copyright © 2023 Fu, Mao, Jiang, Luo, Chen and Xiao.

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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Publication in subspecialties. (A) Numbers of publications in different ophthalmological subspecialties. (B) The trends of publications in five major ophthalmological subspecialties from 2000 to 2020. (C) The proportion of different types of study content in five major ophthalmological subspecialties. (D) A Sankey diagram reveals the relationship between subspecialties and different bibliometric indicators.