Behavioral exercises that retrain a complete blink — eyelids fully closing — which restores normal lipid spreading across the tear film. Especially helpful for screen-related dry eye.
| Practice | Description |
|---|---|
| 20-20-20 rule | Every 20 minutes look at something 20 feet away for 20 seconds |
| Complete-blink exercises | Forced complete eyelid closure 10–15 times every 20 minutes |
| Mindful blinking app reminders | Apps that prompt deliberate blinking during screen sessions |