1. Follow 20-20-20 rule. 2. Monitor 50-70cm, below eye level. 3. Match screen brightness to ambient light. 4. Blink consciously — rate drops 60% at screens. 5. Keep preservative-free artificial tears. 6. Use desk humidifier. 7. Keep text size comfortable. 8. Enable night mode evenings. 9. 3-min eye relaxation at lunch. 10. Annual eye exam.