A case report of late-onset central toxic keratopathy following femtosecond laser-assisted in situ keratomileus

Early and correct differentiation between CTK and DLK could lead to a good prognosis. Corneal confocal microscopy is helpful in diagnosis. A reduction in the use of corticosteroids and antibiotics led to further ocular amelioration. Moreover, this treatment should actively promote corneal epithelial repair, and in the future, the use of vitamin C in the early stage of the disease can be considered.