Heavy lubricant ointments used primarily at bedtime. Provide long-lasting ocular surface protection but cause significant transient blur when used during the day.
| Product | Manufacturer |
|---|---|
| Refresh PM | AbbVie / Allergan |
| Systane Nighttime | Alcon |
| GenTeal Severe Dry Eye | Alcon |
| Lacri-Lube | AbbVie / Allergan |