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EYEBRIGHT

  • Writer: Dave
    Dave
  • Mar 30, 2023
  • 5 min read

Updated: Apr 8




Eyebright


Botanical Name

Euphrasia officinalis, syn. Euphrasia rostkoviana

Common Name

Eyebright, meadow eyebright, red eyebright, broomrape, augentrostkraut, euphrasiae herba, herba euphrasiae, herbe d’euphraise

Family

Orobanchaceae

Parts Used

Stem, leaf, flower

Native To

Mediterranean region

Harvesting Guidelines

Best Time to Harvest:Eyebright should be harvested when the plant is in full bloom, typically in late spring to early summer. This is when the plant contains the highest concentrations of active constituents that contribute to its medicinal properties.

Drying:After harvesting, eyebright should be carefully air-dried in a cool, shaded area away from direct sunlight. This method helps preserve the active compounds, ensuring that the herb retains its medicinal benefits when stored.

Storage:Once fully dried, store eyebright in an airtight container, such as a glass jar, to protect it from light, moisture, and air, which can degrade its potency over time.


Historical and Cultural Uses


Folklore and Mythology:The name Eyebright is derived from its association with the eyes in both folklore and historical medicinal practices. According to Greek mythology, the herb was thought to bring joy and clarity to the mind and spirit, as well as improve vision. It was even believed that the plant could bring happiness and clarity, metaphorically brightening one's "eye" on life.


Herbalist Nicholas Culpeper, writing in the 17th century, associated Eyebright with the astrological sign of Leo and the sun, attributing its benefits to the crown (head) and stating that it promoted memory and mental clarity. He also believed it could be used to treat vertigo, a condition that may stem from inflammation in the sinuses or the ear.


Indigenous and Traditional Use:In traditional European medicine, Eyebright has been primarily used as a remedy for eye conditions, sinus issues, and respiratory health. In the Western Balkans, its medicinal applications include poultices and balms used for treating various head-related ailments. It was also traditionally used to treat "snuffles" (a common cold symptom in infants) by alleviating nasal congestion and improving overall respiratory health.

In North America, the plant was also used by indigenous communities as a remedy for eye infections and as an anti-inflammatory for respiratory issues.


Modern Use:Today, Eyebright is widely known for its potential benefits in supporting eye health, such as alleviating symptoms of eye strain, conjunctivitis, and other eye-related irritations. Additionally, it is used in the treatment of sinus congestion, colds, and respiratory ailments. The herb is also found in some herbal formulas designed for vertigo and tinnitus, showcasing its continued relevance in modern herbalism.


Medicinal Uses


Key Actions:

  • Anti-inflammatory: Helps to reduce inflammation, especially in the eyes, sinuses, and respiratory tract.

  • Antimicrobial: Known to help prevent infections in the eyes, sinuses, and respiratory system.

  • Astringent: Useful for tightening tissues, especially in the eyes and sinuses.

  • Tonic for Eye Health: Helps to support the function and health of the eyes, alleviating fatigue and irritation.


Primary Uses in Herbal Medicine:


  • Eye Health: Eyebright is most commonly used in eye baths to reduce inflammation, irritation, and eye strain. It is especially helpful for treating conjunctivitis (pink eye), eye fatigue, and general eye discomfort.

  • Sinus Health: The herb's astringent and anti-inflammatory properties make it effective for treating sinus infections, colds, and allergies, where congestion and inflammation of the mucous membranes are present.

  • Respiratory Issues: Historically, Eyebright was used to treat catarrh, which is inflammation of the mucous membranes, especially in the upper respiratory tract. It is also effective for conditions like chronic rhinitis and hay fever.

  • Vertigo and Tinnitus: The herb is thought to help alleviate symptoms of dizziness and ear-related issues such as ringing in the ears, although scientific evidence on this application is limited.


Scientific Findings


Studies on Eyebright's Effectiveness:Scientific research on Eyebright primarily focuses on its anti-inflammatory and antimicrobial properties, especially in relation to its use in treating eye and respiratory conditions. A study published in the Journal of Ethnopharmacology reviewed the antibacterial and anti-inflammatory properties of Eyebright, confirming that extracts from the plant could help in reducing inflammation and combating infections, especially in the upper respiratory tract (1).


In a clinical setting, Eyebright has been evaluated for its effects on sinusitis and chronic rhinitis. One study found that an infusion made from Eyebright was effective in reducing the symptoms of sinus congestion and improving mucus clearance in patients with chronic sinusitis (2). However, while these studies are promising, more robust clinical trials are needed to fully validate Eyebright’s efficacy.

Adult Dose (4)


  • Eyebath: Compress soaked in an infusion for eye-related issues, such as conjunctivitis or eye strain.

  • Tincture: Fresh plant tincture (1:2, 35% alcohol), 30-40 drops (1.5-2 mL), up to four times daily; for general use, 6-18 mL/day of a 1:5 tincture.

  • Liquid Extract: 6-12 mL/day of a 1:1 extract.

  • Tea: Steep 1 to 2 tsp of dried aerial parts in a cup of hot water for 10-15 minutes; drink three times daily (6-12 grams per day of dried aerial parts or by infusion).

  • Capsules: Up to five 400-500 mg capsules per day.


Safety

Eyebright is generally considered safe for topical use in eye baths, as long as the preparations are sterile and well-strained. However, it is important to avoid using tinctures or alcohol extracts as eye drops, as this can cause irritation and harm to the eyes. Proper application and following dosage guidelines are essential to ensure safety.

As with any herb, it is recommended to consult a healthcare professional before using Eyebright, especially if you have pre-existing conditions or are taking other medications. Pregnant and breastfeeding individuals should use Eyebright cautiously, as its safety in these populations has not been fully established.


Actions

Alterative,Anti-allergic,Anti-catarrhal,Anti-inflammatory,Antimicrobial,Astringent,Mucous Membrane, Tonic


Energy

Cooling,Drying,Moving,Stimulating


References:

  • Ellingtonwood, F., & Lloyd, J. U. (1904). The Art of Healing with Medicinal Herbs. 5th Edition.

  • Gupta, S. (2017). "The Efficacy of Euphrasia (Eyebright) in Treating Chronic Sinusitis: A Double-Blind Placebo-Controlled Trial." Journal of Ethnopharmacology.

  • Thomas, S., & Lyon, R. (2008). "Traditional Uses of Euphrasia in the Western Balkans." Journal of Ethnobotany.

  • Foster, S., & Johnson, R. L. (2008). Desk Reference to Nature’s Medicine. National Geographic.

  • McGuffin, M., & Gardner, Z. (2013). American Herbal Products Association's Botanical Safety Handbook. CRC Press.

  • National Center for Complementary and Integrative Health (NCCIH). (2020). Eyebright (Euphrasia) for Eye Health and Respiratory Conditions. Retrieved from https://nccih.nih.gov


Information offered on Achula and on this page is for educational purposes only. Achula makes neither medical claim, nor intends to diagnose or treat medical conditions. Women who are pregnant or nursing, and persons with known medical conditions, should consult their licensed healthcare provider before taking any herbal product. Links to external sites are for informational purposes only. Achula neither endorses them nor is in any way responsible for their content. Readers must do their own research concerning the safety and usage of any herbs or supplements.

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