#	Searches	Results
1	vitreoretinal surgery/or vitrectomy/	15,786
2	Retina/or exp Retina/su [Surgery]	80,721
3	Retinal Perforations/	5654
4	exp Epiretinal Membrane/	2661
5	(((vitreoretinal or vitreo retinal or retina or macula *) adj3 (surg * or operat * or prosedure * or repair or translocation * or incision *)) or retinotom * or vitrectom * or (vitreous adj2 resection *)).ti,ab,kf.	21,935
6	((retina * or macula *) adj3 (perforation * or hole * or tear * or break * or rupture)).ti,ab,kf.	9177
7	((epiretinal or epimacular or preretninal) adj2 membrane *).ti,ab,kf.	3999
8	or/1–7	108,349
9	Tomography, Optical Coherence/	44,221
10	((optical coherence adj3 tomograph *) or oct or ioct or sdoct).ti,ab,kf.	64,264
11	or/9–10	74,950
12	perioperative period/or intraoperative period/	18,529
13	(perop * or per-op * or intraop * or intra-op *).ti,ab,kf.	181,689
14	or/12–13	190,587
15	and/8, 11, 14	495