At the final stage of the infection, the viruses destroy the cells they have infected, a process that provides a rich source of refractory compounds.

CONCLUSION: Malignant glaucoma is refractory glaucoma with many pathogenetic factors, on which medication is effective in early period, while multiple surgery should be used in advanced stage.

The research results of cyanide leaching of goad using two stage roasting pretreatment for Zhenyuan refractory gold ore were described in this paper.