Dry Eye Disease: Causes, Symptoms, Treatment & Natural Strategies
A Holistic Approach to Long-Term Dry Eye Relief
Dry eye disease (DED) is one of the most common eye conditions worldwide. It occurs when the eyes do not produce enough tears or when tears evaporate too quickly. Symptoms often include burning, stinging, redness, blurred vision, sensitivity to light, and a gritty or sandy sensation in the eyes.
According to the Tear Film & Ocular Surface Society (TFOS DEWS II) report, dry eye disease is typically driven by multiple factors, including inflammation, meibomian gland dysfunction, hormonal changes, environmental stressors, and nutritional deficiencies.
While many conventional treatments focus on artificial tears, a functional and holistic medicine approach—as practiced by Dr. Samar Shadly—focuses on identifying the root causes of dry eye rather than only treating symptoms.
This approach aims to restore natural tear production and improve tear quality through nutrition, lifestyle interventions, environmental adjustments, and targeted supplementation.
Root Causes of Dry Eye: A Functional & Holistic Perspective
From a functional medicine perspective, dry eye is often a symptom of a larger systemic imbalance.
1. Gut Dysbiosis & Chronic Inflammation
Poor diet, gut microbiome imbalance, and intestinal permeability may promote systemic inflammation that affects the ocular surface.
2. Meibomian Gland Dysfunction (MGD)
Blocked oil glands in the eyelids reduce the lipid layer of the tear film, causing tears to evaporate quickly.
3. Hormonal Changes
Hormonal fluctuations—especially during perimenopause, menopause, thyroid disorders, or autoimmune conditions such as Hashimoto’s—can significantly reduce tear production.
4. Nutrient Deficiencies
Low levels of Omega-3 fatty acids, Vitamin A, Vitamin D, and antioxidants may impair tear quality and ocular surface health.
5. Environmental & Lifestyle Factors
Excessive screen time and reduced blinking
Smoking
Air conditioning or dry indoor environments
Environmental pollutants
Addressing these factors is essential for long-term improvement.
Natural Strategies to Improve Dry Eye
1. Nutritional Support for Tear Production
Omega-3 Fatty Acids
Omega-3 fatty acids help reduce inflammation and support meibomian gland function.
Nordic Naturals Ultimate Omega
Metagenics OmegaGenics EPA-DHA
Typical supportive dose used in research: 1–3 g EPA/DHA daily.
Gamma-Linolenic Acid (GLA)
GLA supports anti-inflammatory pathways and may improve tear quality.
Designs for Health GLA
Omega-7 (Sea Buckthorn)
Omega-7 helps support mucous membranes, including the eyes.
Sea Buckthorn Omega-7
Terry Naturally Omega-7
Vitamin A
Vitamin A plays a critical role in maintaining the health of the ocular surface and supporting tear film stability. Because excessive intake may lead to Vitamin A toxicity, supplementation, particularly at higher doses, should be taken under appropriate medical supervision.
Pure Encapsulations Vitamin A
Nordic Naturals Vitamin A (with carotenoids)
Phospholipids for Cellular Health
Phospholipids support cell membrane integrity and mitochondrial function, which are important for eye tissue health.
BodyBio Phosphatidylcholine
Thorne Phosphatidylcholine
2. Choosing the Right Eye Drops
Preservative-free artificial tears are often recommended to avoid irritation from preservatives.
Systane Ultra Lubricant Eye Drops
TheraTears Nighttime Lubricant Eye Drops
OPTASE Hylo Night Ointment
3. Warm Compress Therapy
Warm compresses help melt thickened oils in the meibomian glands.
Bruder Moist Heat Eye Compress
Electric Heated Eye Mask
4. Eyelid Hygiene
Proper eyelid hygiene helps reduce bacteria and inflammation.
OCuSOFT Hypochlorous Cleanser
OCuSOFT Lid Scrub Cleanser
5. Optimizing the Sleep Environment
Many people experience worsening dryness overnight.
Silk Sleep Eye Mask
Crane Ultrasonic Humidifier
Lifestyle Habits That Help Reduce Dry Eye
Follow the 20-20-20 Rule
Every 20 minutes, look 20 feet away for 20 seconds.
Stay Hydrated
Drink enough water throughout the day.
Reduce Screen Strain
Blink consciously when using digital devices.
Manage Stress
Practices such as meditation, yoga, or breathing exercises may help reduce inflammation.
Final Thoughts
Dry eye disease is rarely caused by a single factor. It is usually the result of inflammation, gland dysfunction, hormonal imbalance, environmental stress, and nutritional deficiencies.
A functional medicine approach combines:
Anti-inflammatory nutrition
Targeted supplementation
Eyelid hygiene
Environmental support
Lifestyle optimization
This comprehensive strategy may significantly improve symptoms and support long-term eye health.
Book a Functional Medicine Consultation
If you are struggling with dry eye, autoimmune disease, gut inflammation, or chronic fatigue, identifying the root causes may help restore your health.
Book a Functional Medicine Consultation
Contact Dr. Samar Shadly on WhatsApp to schedule a consultation