Can Dehydration Cause Dry Eyes?
Dry eye disease is increasingly common, particularly with prolonged screen use.
However, one frequently overlooked factor is hydration.
How Hydration Affects the Eyes
The tear film depends on adequate hydration to function properly.
When fluid intake is low:
- Tear production may decrease
- Tear quality may be affected
- Symptoms of dryness worsen
Common Symptoms of Dry Eye
- Grittiness
- Burning sensation
- Intermittent blurred vision
- Eye fatigue
Who Is Most at Risk?
- Office workers
- Frequent screen users
- Older adults
- Those consuming high levels of caffeine
Sleep also plays a role — see:
“Sleep and Eye Health: Why Rest Matters for Your Vision”
Simple Ways to Improve Hydration
- Drink water consistently throughout the day
- Reduce excess caffeine
- Take regular screen breaks
Final Thoughts
Hydration is a simple but effective way to improve eye comfort and reduce dry eye symptoms.