Short- (E0) and long-term stiffness (E∞) for all types of specimens. Specimen types: 1, inner surface of bovine sclera; 2, outer surface of bovine sclera; 3, bovine crystalline lens; 4, bovine orbital pulley tissue; 5, human orbital fat in thyroid eye disease; 6, human dermal fat; 7, bovine orbital fat; 8, human orbital fat; 9, bovine iris; 10, human eyelid fat; 11, bovine kidney fat.