To observe the variation of apoptosis of retinal ganglion cells (RGCs) in chronic EIOP rat models: control rats, placebo-immunized EIOP rats and COP-1- immunized EIOP rats.

• 观察正常大鼠、安慰剂免疫的慢性高眼压大鼠和COP-1免疫的慢性高眼压大鼠RGCs凋亡的变化。