A liquid progressive multifocal lens adjusted by the deformation of a non-uniform elastic membrane due to the variation of liquid pressureWeiliang Jia, Dong Xiang and Songjing LiJ. Eur. Opt. Soc.-Rapid Publ., 14 1 (2018) 17DOI: https://doi.org/10.1186/s41476-018-0087-7