backsight

Chronic and toxic can have ball backsight neuritis, inspect dish of oedema, retinal hemal convulsion, haemorrhage, oozy, eye shot is short of caustic and centrality stricture.

慢性中毒可有球后视神经炎，视盘水肿，视网膜血管痉挛、出血、渗出，视野缺损性狭窄。

Serious examination, art is medium before the element that decides force of embedded art backsight restores artificial crystal includes method careful operation, art hind is attentive nurse.

决人工晶体后视力恢复的因素包括前认真检查、中仔细操作、后细护理。