Natural History.
     Dusty Miller

     Has some reputation in the cure of cataract and corneal opacities. Is used externally, by instilling into the eye one drop four or five times a day. This must be kept up for several months. Most effective in traumatic cases. Compare in cataract PHOSPH.; PLATANUS; CANNABIS; CAUSTICUM; NAPHTHALIN; LEDUM; NAT-MUR.; SILICA.