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. 2022 Aug 24;16:2781–2795. doi: 10.2147/OPTH.S375577

Table 1.

Summary of Synthetic Corneal Inlay Properties and Mechanism of Action4,13

KAMRA Flexivue Raindrop
Mechanism of Action Small-aperture to increase a patient’s depth of focus Central zone without refractive power and peripheral positive refractive zone for near vision Increase the overlying corneal curvature thereby increasing refractive power
Material Polyvinylidene Fluoride Biocompatible hydrophilic acrylic material Hydrogel
Dimensions Thickness 6μm Inner Hole Diameter 0.51mm Thickness 32μm
Inner Diameter 1.6mm Central Flat Zone Diameter 1.6mm Diameter 2mm
Outer Diameter 3.6mm Total Diameter 3.2mm