Dry Eyes

How it works

Risks & contraindications

Interactions

Evidence quality

Highlighted claims

• Dry eyes are most commonly caused by vitamin A (retinol) deficiency. — The BEST Remedies for Dry Skin, Eyes, and Mouth
• Plant-sourced beta-carotene is functionally inadequate for preventing dry eyes because it converts to active retinol at only about 3%. — The BEST Remedies for Dry Skin, Eyes, and Mouth
• Dry eye is frequently a vitamin A deficiency rather than a simple moisture problem. — Eye Floaters and Dry Eyes
• In severe vitamin A depletion, the cornea can tear when the eyelid opens because the eye surface is too dry for normal blinking. — Eye Floaters and Dry Eyes
• Gallbladder dysfunction prevents the extraction of fat-soluble vitamins like vitamin A from food even when dietary intake is adequate. — Eye Floaters and Dry Eyes
• Zinc deficiency blocks vitamin A from functioning even when vitamin A intake is adequate. — Eye Floaters and Dry Eyes
• Night blindness is a secondary symptom that overlaps with dry eye as both are classic manifestations of vitamin A deficiency. — Eye Floaters and Dry Eyes
• Vitamin A deficiency can cause sticky eyes upon waking, night blindness, and in severe cases corneal damage. — The BEST Remedies for Dry Skin, Eyes, and Mouth
• Gallbladder dysfunction prevents retinol absorption, causing vitamin A deficiency and dry eyes even when dietary intake is adequate. — The BEST Remedies for Dry Skin, Eyes, and Mouth
• Vegans are particularly susceptible to vitamin A deficiency because bile production requires dietary saturated fat. — The BEST Remedies for Dry Skin, Eyes, and Mouth