Evidence supporting the use of: Eyebright
For the health condition: Conjunctivitis

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Synopsis

Source of validity: Traditional
Rating (out of 5): 2

Eyebright (Euphrasia officinalis) has a long history of traditional use in European herbal medicine for treating various eye conditions, including conjunctivitis (sometimes called "pink eye"). The herb has been applied topically as eye washes, compresses, or added to teas, based on the belief that it soothes irritation and reduces inflammation. This traditional usage is rooted in the "Doctrine of Signatures," a historical concept where the physical appearance of a plant suggests its therapeutic use—in this case, the flower’s resemblance to an eye.

Despite its widespread folk use, scientific evidence supporting the effectiveness of eyebright for conjunctivitis is minimal. Only a few small studies and case reports exist, most of which are of low quality or anecdotal in nature. Preliminary laboratory research has suggested that eyebright extracts may have some anti-inflammatory and antimicrobial properties, but these findings have not been robustly validated in clinical trials involving humans with conjunctivitis. Major medical and ophthalmological organizations do not currently recommend eyebright as a treatment for eye infections, citing the lack of rigorous evidence and potential risks of contamination or allergic reactions when used in or near the eyes.

In summary, eyebright’s use for conjunctivitis is primarily justified by tradition rather than solid scientific validation. Anyone considering its use should consult a healthcare professional.

More about Eyebright
More about Conjunctivitis

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