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. 2021 Nov 17;145(2):77–95. doi: 10.1007/s10633-021-09857-5

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© The Author(s) 2021

Open AccessThis article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.

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Fig. 1 — Normal waveforms and parameters of A dark‐adapted 3.0 ERG and C light‐adapted 3.0 ERG of full‐field electroretinogram (ffERG). Average ffERG responses from B dark‐adapted 3.0 ERG and D light‐adapted 3.0 ERG from 100 eyes with axial length (AL) ranging from 21.79 to 30.55 mm and spherical equivalent refractive error (SER) ranging from + 0.50 to − 18.00 D. All participants were divided into seven different groups based on their mean AL: Group 1 (22.40 mm), Group 2 (23.10 mm), Group 3 (24.26 mm), Group 4 (25.51 mm), Group 5 (26.34 mm), Group 6 (27.5 mm), and Group 7 (29.55 mm). The two values listed for each group under latencies and values, respectively, indicate the change (Δ) in latencies (Δ ms) and amplitudes (Δ µV) of a ffERG a-wave (negative values) and b-wave (positive values). Adapted with permission from Sachidanandam et al. (2017) [109]