Sudden visual loss

• 突然视力丧失

Sudden visual loss的用法和样例：

例句

1. A link has been found between eating too much red meat and vision loss.
   有研究发现吃红肉太多与视力丧失之间是有联系的。
2. Ophthalmic artery occlusion usually causes severe permanent visual loss, and conservative treatments generally have poor prognoses in most cases.
   摘要眼动脉塞往往引起严重的视力丧失，而以保守疗法治疗往往愈后不佳。