根据内网层PV-I纤维分布在给光中心和撤光中心反应的联系层，提示PV-I神经元在视觉信息处理、传递中起重要的调节作用。
The amechon of PV-I fiber in ON Center and OFF Center of IPL indicates that PV-I neurons played an important role in the transition of visual message .
撤光反应