Fig. 1From: Clinical features and comprehensive treatment of persistent corneal epithelial dysfunction after cataract surgeryAfter cataract surgery, we have classified the PED into three grades based on slit lamp and fluorescent staining. By combining clinical and IVCM characteristics, we believe that the ocular surface state of PED after cataract surgery is a dynamic process between dry eye and corneal ulcer. This process is influenced by persistent epithelial dysfunctionBack to article page