Lenskart, an omni-channel retailer in India that sells eyewear products, said on Friday that it has raised $275 million in a new financing round from SoftBank Vision Fund as it looks to expand its business in the nation. As part of the new financing round, Series G, some of the nine-year-old startup’s existing investors are selling their stake, said Peyush Bansal, founder and chief executive Lenskart.