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. 2019 May 31;14(5):e0216823. doi: 10.1371/journal.pone.0216823

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© 2019 Ozaki et al

This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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Fig 1 — The combined rod and cone responses before and after silicone oil (SO) removal are shown. In Group 1, this is a case of rhegmatogenous retinal detachment (RRD). A clear waveform was observed in the SO filled eye and the amplitudes of the a- and b-waves increased after the SO removal. In Group 2, this is a case of RRD in which pupillary dilatation was limited due to a posterior synechia of the iris. No response was observed before the SO removal and a waveform was recorded after SO removal and the posterior synechia was released. SOR, silicone oil removal; RRD, rhegmatogenous retinal detachment; M, male; F, female.