Adequate hydration

1. Maintains Tear Production

  • Your tears are mostly water — produced by the lacrimal glands.
  • Dehydration reduces the body’s ability to produce sufficient, high-quality tears, leading to dryness, grittiness, and irritation.

    • 2. Supports Tear Film Balance

  • The tear film has three layers: oily, watery (aqueous), and mucous.
  • Without proper hydration, the aqueous layer becomes thin, disrupting tear stability and increasing evaporation.

    • 3. Prevents Ocular Surface Damage

  • Dry, under-hydrated eyes are more prone to inflammation, abrasions, and infection.
  • Staying hydrated helps keep the eye surface smooth and nourished, reducing the risk of damage.

    • 4. Counteracts Environmental Dryness

  • Exposure to dry environments (air-conditioning, screen time, travel) increases fluid loss.
  • Drinking enough water helps the body replenish lost moisture and maintain tear volume.

    • 5. Simple Rule: 8–10 Glasses a Day

  • Aim for at least 2–2.5 liters/day, or more if:
  • You’re active
  • You consume caffeine or alcohol
  • You live in a hot or dry climate

    • Summary:

    Adequate hydration helps manage dry eye by:

  • Supporting tear production
  • Enhancing tear film quality
  • Reducing inflammation
  • Keeping the eye surface moist and comfortable

    • Pro Tip:

    Pair hydration with:

  • Regular blinking
  • Omega-3 rich foods
  • Humidified environments
  • Proper screen habits
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