A perfluoropolyether corneal inlay for the correction of refractive error - Evans, Margaret D.M.; Prakasam, Ruby K.; Vaddavalli, Pravin K.; Hughes, Timothy C.; Knower, Warren; Wilkie, John S.; McLean, Keith M.; Johnson, Graham; McFarland, Gail A.; Xie, Ruo Zhong; Sweeney, Deborah F. (Biomaterials, 2011)