Fig. 6: MCLs for managing contact lens induced dry eye.
From: Microfluidic contact lens: fabrication approaches and applications

a The illustration of the working of self-moisturizing contact lens employing capillary flow. b The sequential images showing capillary action on microchannel embedded contact lens, Reproduced with permission from Elsevier (2022)52. (i) Schematic of the eyelid pressure enhanced tear exchange through microfluidic channels. (ii) The sequential images showing pressure-induced outflow in hydrated hydrogel microchannels. (iii) The effect of eyelid pressure on flow rate within hydrated microchannels, Reproduced with permission from Wiley (2022)53