Objective: To study the significance of flash electroretinogram (F-ERG) and flash visual evoked potential (F-VEP) before cataract phacoemulsification.

• 目的：探讨白内障超声乳化手术前行闪光视网膜电流图(FERG)和闪光视诱发电位(FVEP)检查对术后视力预测的可靠性。