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. 2021 Jun 10;15:617175. doi: 10.3389/fnins.2021.617175

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Copyright © 2021 Wang, Feng, Yang, Liu, Chen, Chen, Yan, Yuan and Zhang.

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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The change of pupillary light reflex and ERG in rabbits before and after photocoagulation. (A) The example images of pupillary direct light reflex before (top row) and 3 days after photocoagulation (bottom row) of the same rabbit eye. The position of the white dotted circle is the pupil position. Scale bar = 2 mm. (B) Pupil constriction ratio before and 3 days after photocoagulation of rabbits. The pupil constriction ratio is calculated as (S₀-S_min) / S₀ × 100%, S_min is the minimum pupil area under light stimulation, and S₀ is the pupil area of the frame before light is given. (C) Sample waveforms of ERG before photocoagulation, 1, 4, and 7 days after photocoagulation. (D) Comparison of a- and b-wave amplitudes in eyes before photocoagulation and 1, 4, and 7 days after photocoagulation.