A patient, aged 70, complains of pain, lacrimation, loss of visual acuity on the right eye. Fell ill 3 days ago after eye injury with a tree branch. On examination: palpebral fissure is narrowed, photophobia, mixed injection. On the cornea there is an opacity area with irregular borders, progressive edge and epithelial defect. Cornea sensitivity is normal. Hypopyon. Chronic dacryocystitis. What is the most likely diagnosis?