Comprehensive Review of the Literature on Existing Punctal Plugs for the Management of Dry Eye Disease

Figure 6

Hydrogel vertical canalicular plug (Form Fit by Oasis). Dry (a) compared to wet (b) demonstrates that the plug becomes more gelatinous and enlarges slightly following hydration (10 minutes after application of 0.2 mL of water). Each dash in scale represents 1 mm.

(a)

(b)