Evaluate the collective function of references cited together in a given text segment.
Classify their combined role into one of the following categories: 'method', 'background', or 'result'.

Text:014 roviding important information for surgical management nd postoperative outcomes for patients with ERM.(5,6) pectral-domain OCT (SD-OCT; also known as Fourieromain or high-speed OCT) is a new technology that has een demonstrated recently.
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