According to your symptom, you may have developed keratitis. There are three common clinical keratitis. The first is caused by bacterial infection; you need the treatment of antibacterial eye drops. The second is caused by viral infection, you should use the anti-viral drugs; the third is caused by fungal infections, you can select the antifungal drug. If the illness is going to be seriously dilated, then you must have the subconjunctival injection as well as systemic therapy and oral, intramuscular, intravenous antibiotic, anti-viral, anti-fungal drugs.