Lycium barbarum (Gouqizi, Fructus Lycii, Wolfberry) is well known for nourishing the liver, and in turn, improving the eyesight.

Pubulications:

Park S Y, Park W T, Park Y C, et al. Metabolomics for the quality assessment of Lycium chinense fruits[J]. Bioscience, biotechnology, and biochemistry, 2012, 76(12): 2188-2194.

Details:

http://herbalplant.ynau.edu.cn/index.php?m=content&c=index&a=show&catid=100&id=201