|
| Name | Size | Material | Temporary/
permanent | Characteristics | Manufacturer |
|
| Form Fit | 1 size (diameter 0.3 mm, length 3 mm) | Hydrogel | Permanent | Hydrates over 10 minutes after insertion and expands (Figure 6). With hydration it increases in size till it completely fills vertical canalicular cavity. It has low extrusion rate. | Oasis |
|
| SmartPlug | 1 size (diameter 0.4 mm, length 6 mm) | Thermosensitive acrylic material | Permanent | Adjusts to shape and size of punctum. It shrinks to 1 mm after insertion to make it more comfortable by eliminating foreign body sensation. Less chance of extrusion. Can be flushed out with irrigation. | Medennium |
|
| Oasis Soft Plug Extended Duration | 4 sizes (0.2–0.5 mm) | Glycolic acid and trimethylene carbonate | Temporary—extended duration | Effective up to 3 months (Figure 7(a)). | Oasis |
|
| DuraPlug | 3 sizes (0.2–0.4 mm) | PCL (E-Caprolactone-L-Lactide copolymer) | Temporary—extended duration | Lasts 2–6 months. | EagleVision |
|
| Beaver-Visitec Extended Duration | 4 sizes (0.2–0.5 mm) | Glycolic acid and trimethylene carbonate | Temporary—extended duration | Dyed with D&C Green.
Lasts up to 3 months. | Beaver-Visitec |
|
| ProLong | 3 sizes (0.3–0.5 mm) | Glycolic acid and trimethylene carbonate | Temporary—extended duration | Dyed with D&C Green number 6.
Lasts up to 3 months. | FCI |
|
| Vera90 | 3 sizes (0.2–0.4 mm) | PCL (E-Caprolactone-L-Lactide copolymer) | Temporary—extended duration | Dyed violet with D&C Violet number 20 and is coated with calcium stearate (a noncollagenous and nonantigenic coating). Lasts up to 3 months (Figure 7(b)). | Lacrivera |
|
| UltraPlug Extended Wear | 3 sizes (0.2–0.4 mm) | PCL (E-Caprolactone-L-Lactide copolymer) | Temporary—extended duration | Effective for 2–6-month duration. | Surgical Specialties Corporation |
|
| Oasis Soft Plug Collagen | 3 sizes (0.2–0.4 mm)
2 mm length. | Collagen | Temporary—short duration | Lasts 2–5 days (see Figure 8(a)). | Oasis |
|
| Eagle collagen | 3 sizes (0.2–0.4 mm) | Collagen | Temporary—short duration | Effective for 3–5 days and lasts for 7–10 days.
Expands in punctum after insertion. | EagleVision |
|
| Beaver-Visitec collagen plug | 3 sizes (0.2–0.4 mm) | Collagen | Temporary—short duration | Lasts 7–10 days. | Beaver-Visitec |
|
| FCI collagen plug | 3 sizes (0.2–0.4 mm) | Collagen | Temporary—short duration | Lasts 5–7 days. | FCI |
|
| Vera C7 | 3 sizes (0.2–0.4 mm) | Collagen | Temporary—short duration | Effective for 7–10 days (Figure 8(b)). | Lacrivera |
|
| UltraPlug collagen | 3 sizes (0.2–0.4 mm) | Collagen | Temporary—short duration | Effective for 10–14 days. | Surgical Specialties Corporation |
|
