Dendrobium Nightshade Pill has the effect of nourishing yin and tonifying the kidney, clearing the liver and brightening the eyes (clearing liver fire to promote vision recovery); Mingmu Di Huang Wan has the effect of nourishing the kidney, nourishing the liver and brightening the eyes. Dendrobium Luminous Pill is composed of Dendrobium, Ginseng, Yam, Poria, Licorice, Cistanches, Fructus Lycii and Semen Cuscutae. It is used for darkness of eyes and blurred vision caused by internal obstruction and deficiency of liver and kidney, deficiency of yin and fire (deficiency of yin and essence in the body and hyperactive deficiency fire). Bright Eyes Di Huang Wan, composed of Radix Rehmanniae Praeparata, Cornu Cervi Pantotrichum, Mudan Pi, Rhizoma Dioscoreae, Poria, and Zedoaria. It is used for astringency and photophobia of the eyes, blurred vision, and tears in the wind caused by deficiency of yin in the liver and kidneys (deficiency of yin fluid in the liver and kidneys). If medication is needed, it should be identified by a doctor and standardized treatment should be followed.