Figure 1. Schematic diagram for experimental procedures. Contact lenses were incubated in lysozyme (HEL) and albumin (BSA) solution, followed by overnight soaking in different care regimens and the two methods to locate and quantify the protein on the lens. In the figure, 125I indicates iodine¹²⁵; BSA indicates bovine serum albumin; CL indicates contact lens; CLSM designates confocal laser scanning microscope; Exp indicates Experiment; H₂O₂ indicates hydrogen peroxide; HEL designates hen egg lysozyme; LY designates lucifer yellow vinyl sulfone; and MPS indicates multipurpose solution.