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Parts Used & Where Grown
In the wild, European eyebright grows in meadows, pastures, and grassy places in Bulgaria, Hungary, and the former Yugoslavia. Eyebright is also grown commercially in Europe. The plant flowers in late summer and autumn. The whole herb is used in herbal medicine.
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3 Stars Reliable and relatively consistent scientific data showing a substantial health benefit.
2 Stars Contradictory, insufficient, or preliminary studies suggesting a health benefit or minimal health benefit.
1 Star For an herb, supported by traditional use but minimal or no scientific evidence. For a supplement, little scientific support.
This supplement has been used in connection with the following health conditions:
Conjunctivitis and Blepharitis
Refer to label instructions
Eyebright has been traditionally used to treat eye inflammation.
Several herbs have been traditionally used to treat eye inflammation. Examples include calendula, eyebright, chamomile, and comfrey. None of these herbs has been studied for use in conjunctivitis or blepharitis. As any preparation placed on the eye must be kept sterile, topical use of these herbs in the eyes should only be done under the supervision of an experienced healthcare professional.3
Refer to label instructions
Eyebright was and continues to be used by herbalists primarily as a poultice for the topical treatment of eye inflammations. Consult with a physician knowledgeable in the use of herbs before applying eyebright to the eyes.
Eyebright was and continues to be used by herbalists primarily as a poultice for the topical treatment of eye inflammations, including conjunctivitis/blepharitis and sties. Traditionally, a compress made from a decoction of eyebright is used to give relief from redness, swelling, and visual disturbances due to eye infections.4 However, clinical trials demonstrating this benefit are lacking. Consult with a physician knowledgeable in the use of herbs before applying eyebright to the eyes.
Traditional Use (May Not Be Supported by Scientific Studies)
Eyebright was and continues to be used by herbalists primarily as a poultice for the topical treatment of eye inflammations, including conjunctivitis/blepharitis and sties. Traditionally, a compress made from a decoction of eyebright is used to give relief from redness, swelling, and visual disturbances due to eye infections.1 A tea is sometimes given internally along with the topical treatment. It has also been used for the treatment of eye fatigue and other disturbances of vision. In addition, herbalists have recommended eyebright for problems of the respiratory tract, including sinus infections, coughs, and sore throat.2 None of the traditional uses of eyebright have been studied in clinical research.
How It Works
How It Works
While there are many chemicals that may be active in eyebright, none of them has been proven to have any effect on eye inflammation or irritation. Some herbal texts suggest that the astringent actions of eyebright may reduce eye irritation while others suggest that eyebright may also have antibacterial actions topically. To date, there are no clinical studies to support or refute these proposed actions.
How to Use It
Traditional herbal texts recommend a compress made with 1 tablespoon (15 grams) of the dried herb combined with 2 cups (500 ml) of water and boiled for ten minutes.5 The undiluted liquid is used as a compress after cooling. The German Commission E monograph does not support this application, due to possible impurities in non-pharmaceutical preparations.6 Consult with a physician knowledgeable in the use of herbs before applying eyebright to the eyes.
Internally, two to three cups per day of eyebright tea is sometimes recommended. Dried herb, 1/2–3/4 teaspoon (2–4 grams) three times per day, may also be taken. The tincture is typically taken in 1/2–1 1/4 teaspoons (2–6 ml) three times per day.
Interactions with Supplements, Foods, & Other Compounds
Interactions with Medicines
Due to limited information on the active constituents in eyebright and the need for sterility in substances used topically in the eyes, the traditional use of eyebright as a topical compress currently cannot be recommended without professional support. Used internally at the recommended amounts, eyebright is generally safe. However, its safety during pregnancy and breast-feeding has not been proven.
1. Weiss RF. Herbal Medicine. Gothenburg, Sweden: Ab Arcanum, 1988, 339-40.
2. Hoffman D. The Herbal Handbook: A User's Guide to Medical Herbalism. Rochester, VT: Healing Arts Press, 1988, 136-7.
3. Blumenthal M, Goldberg A, Brinckmann J. Herbal Medicine: Expanded Commission E Monographs.Newton, MA: Integrative Medicine Communications, 1999.
4. Weiss RF. Herbal Medicine. Gothenburg, Sweden: Ab Arcanum, 1988, 339-40.
5. Weiss RF. Herbal Medicine. Gothenburg, Sweden: Ab Arcanum, 1988, 339-40.
6. Blumenthal M, Busse WR, Goldberg A, et al. (eds). The Complete Commission E Monographs: Therapeutic Guide to Herbal Medicines. Boston, MA: Integrative Medicine Communications, 1998, 329-30.
Last Review: 10-14-2014
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The information presented in Aisle7 is for informational purposes only. It is based on scientific studies (human, animal, or in vitro), clinical experience, or traditional usage as cited in each article. The results reported may not necessarily occur in all individuals. For many of the conditions discussed, treatment with prescription or over the counter medication is also available. Consult your doctor, practitioner, and/or pharmacist for any health problem and before using any supplements or before making any changes in prescribed medications. Information expires June 2015.