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Inclusion criteria were availability of pre- and postoperative spectral domain optical coherence tomography (SD-OCT) of the macula. SD-OCT images were evaluated for presence of CME qualitatively, central subfield thickness (CST) and macular volume (MV).<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Results<\/jats:title>\n            <jats:p>73 eyes could be included, 42 received trab and 31 GDD surgery. Eyes receiving trab on average had 0.8\u2009\u00b1\u20090.8 previous intraocular operations, while eyes with GDD implantation had 3.1\u2009\u00b1\u20091.9 (<jats:italic>p<\/jats:italic>\u2009&lt;\u20090.001). Occurrence of postoperative CME was significantly more frequent after GDD implantation (6 out of 31 (19.4%)) than after trab (2 out of 42 eyes\u2009=\u20094.8%), (p\u2009=\u20090.049). Mean preoperative CST as well as MV was comparable in both groups (CST before trab: 282.7\u2009\u00b1\u200923.0\u00a0\u00b5m, CST before GDD 284.2\u2009\u00b1\u200927.3\u00a0\u00b5m, <jats:italic>p<\/jats:italic>\u2009=\u20090.287; MV before trab: 7.8\u2009\u00b1\u20091.1 mm<jats:sup>3<\/jats:sup>, MV before GDD: 8.0\u2009\u00b1\u20090.8mm<jats:sup>3<\/jats:sup>, <jats:italic>p<\/jats:italic>\u2009=\u20090.305). Mean postoperative CST and MV were significantly higher after GDD (CST 338.5\u2009\u00b1\u2009129.3\u00a0\u00b5m, MV 8.8\u2009\u00b1\u20092.6 mm<jats:sup>3<\/jats:sup>) than after trabeculectomy (CST 290.6\u2009\u00b1\u200960.2\u00a0\u00b5m, <jats:italic>p<\/jats:italic>\u2009=\u20090.038; MV 7.8\u2009\u00b1\u20091.2mm<jats:sup>3<\/jats:sup>, <jats:italic>p<\/jats:italic>\u2009=\u20090.039).<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Conclusions<\/jats:title>\n            <jats:p>In real-life conditions, GDD surgery seems to be associated with a higher risk to develop CME when compared to conventional trabeculectomy. This information may be helpful for glaucoma surgeons to advise the patients on postoperative risks of surgery.<\/jats:p>\n          <\/jats:sec>","DOI":"10.1007\/s10792-024-03068-y","type":"journal-article","created":{"date-parts":[[2024,3,20]],"date-time":"2024-03-20T05:09:00Z","timestamp":1710911340000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":6,"title":["A comparative study of cystoid macula edema following glaucoma drainage device surgery versus trabeculectomy"],"prefix":"10.1007","volume":"44","author":[{"given":"Caroline","family":"Gietzelt","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Lilo","family":"Koenig","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Werner","family":"Adler","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Friederike","family":"Schaub","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ludwig M.","family":"Heindl","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Claus","family":"Cursiefen","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Thomas S.","family":"Dietlein","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Philip","family":"Enders","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"297","published-online":{"date-parts":[[2024,3,20]]},"reference":[{"issue":"3","key":"3068_CR1","doi-asserted-by":"publisher","first-page":"161","DOI":"10.1136\/bjo.53.3.161","volume":"53","author":"AC Molteno","year":"1969","unstructured":"Molteno AC (1969) New implant for drainage in glaucoma. 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