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. 2021 Dec 10;8:733241. doi: 10.3389/fmed.2021.733241

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Copyright © 2021 Li, Li, Zhang, Liang, Chen, Ye and Lin.

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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Aiding patients with amblyopia and nyctalopia. (A–C) Illustrate aiding patients with nyctalopia (48). (A) The healthy vision. (B) The vision of patients with nyctalopia. (C) The vision of patients with nyctalopia after using the AR systems. The part of the scene is brightened to help the patients. (D–F) Illustrate aiding patients with amblyopia (49). The patients are forced to use their lazy eyes more important than healthy eyes. In this case, patients play games that ask them to crush the roaming stones. (D) The binocular vision. (E) The vision of the healthy eye, containing the game menus that do not need too much attention. (F) The vision of the lazy eye, containing roaming stones that require high concentration.