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. 2022 Dec 28;37(12):2535–2541. doi: 10.1038/s41433-022-02368-w

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© The Author(s), under exclusive licence to The Royal College of Ophthalmologists 2022. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law.

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Fig. 4 — Scattergram of preoperative vs postoperative intraocular pressure at 6 months, 1 year, 2 year and 3 years after surgery. Each point represents one individual study eye. Eyes classified as success at final follow up are indicated by a green point with eyes classified as failure at final follow up are indicated by a red point. The dotted line represents equivalence; that is, points below the line show a reduction in IOP and points above show an increase.