Euphrasia officinalis

{{short description|Species of flowering plants in the broomrape family}}

{{Speciesbox

| image = Augentrost.jpg

| taxon = Euphrasia officinalis

| authority = L.

| synonyms =

• Euphrasia rostkoviana Hayne
• Euphrasia fennica Kihlm.{{cite web |title = Euphrasia fennica Kihlm. {{!}} Plants of the World Online {{!}} Kew Science |url = https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:802522-1 |website = Plants of the World Online |access-date = 15 February 2021 |language = en}}

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Euphrasia officinalis, also known as eyebright or eyewort, is a species of plant in the family Orobanchaceae.{{Cite web |title=Euphrasia officinalis L. {{!}} Plants of the World Online {{!}} Kew Science |url=http://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:802732-1 |access-date=2023-11-10 |website=Plants of the World Online |language=en}}

Euphrasia officinalis herb has been used in the traditional Austrian medicine internally as tea, or externally as compresses, for treatment of disorders of the eyes and the gastrointestinal tract.[http://botanical-dermatology-database.info/BotDermFolder/OROB.html#Euphrasia%20rostkoviana Euphrasia rostkoviana] in BoDD – Botanical Dermatology Database

A preliminary study demonstrated protective effects of Euphrasia officinalis against UVB-induced photoaging {{cite journal |last1=Liu |first1=Ying |title=Protective Effects of Euphrasia officinalis Extract against Ultraviolet B-Induced Photoaging in Normal Human Dermal Fibroblasts |journal=International Journal of Molecular Sciences |date=2018 |volume=19 |issue=11 |page=3327 |doi=10.3390/ijms19113327 |doi-access=free |pmid=30366440 |pmc=6275060 }}