Carl R. Darnall Army Medical Center - Health Library

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Eyebright is an herb that grows in Europe and North America. It has been used to improve eye health. It can be taken as a pill, powder, or used as eye drops.


There are no advised doses for eyebright.

What Research Shows

Not Enough Data to Assess

  • Conjunctivitis A1

Editorial process and description of evidence categories can be found at EBSCO NAT Editorial Process.

Safety Notes

It may be safe to use eyebright. It may also be safe to take aloe orally for a short time. Not enough studies have been done to say whether it is safe to use for a long period.


Talk to your doctor about any supplements or therapy you would like to use. Some can interfere with treatment or make conditions worse.



A. Eye

A1. Stoss M, Michels C, et al. Prospective cohort trial of Euphrasia single-dose eye drops in conjunctivitis. J Altern Complement Med. 2000 Dec;6(6):499-508.

Last reviewed July 2019 by EBSCO NAT Review Board Eric Hurwitz, DC  Last Updated: 5/6/2020