What is viral keratitis? Viral keratitis is an inflammatory disease caused by a viral pathogen that infects the cornea. Herpes simplex virus is the most common; herpes zoster virus is the second most common; and adenovirus. Viral keratitis is a common disease in ophthalmology and is characterized by recurrent episodes, each of which may cause vision loss and, in some cases, blindness, and is the leading cause of corneal blindness. Its clinical manifestations vary in severity, and the degree of damage to vision varies depending on the location of the lesion, the severity of the inflammation, the duration of the disease, the number of recurrences, and the presence of mixed infections. Clinical typing: epithelial, stromal, endothelial and necrotic. What are the treatment considerations for viral keratitis? Keratoconus caused by herpes simplex virus can invade all layers of the cornea and is characterized by recurrent episodes. Vision decreases a little with each attack, and some eventually lead to blindness. Therefore preventing or reducing recurrence is the key to treating the disease. First of all, we should pay attention to the idea, so that prevention and timely treatment intervention is the main focus; to find the right specialist to screen the type of lesion, to prevent improper use of drugs, miss the best opportunity for treatment; to early treatment, symptomatic medication, early treatment can avoid further damage to vision; to formal treatment, systemic and local antiviral treatment is the main, reasonable application of glucocorticoids; to exercise, enhance physical fitness, improve immunity, avoid To be relatively fixed hospital and specialist regular review, according to changes in the condition and the assessment of the efficacy of timely adjustment of the treatment plan treatment medication should be continuous, effective, scientific.