Chemical Injuries of Eye

A 28-year-old construction worker sustains a severe alkali burn (calcium hydroxide) to the left eye. After immediate and prolonged irrigation with normal saline, the cornea shows significant opacification and the limbus is blanched. To chelate the residual alkali and prevent further penetration, which agent should be used as an adjunctive topical treatment?

A 32-year-old factory worker presents to the emergency department 15 minutes after a splash of concentrated hydrochloric acid to his right eye. He complains of severe pain and blurred vision. On examination, the cornea appears hazy with loss of clarity. What is the most appropriate immediate next step in management?

A 28-year-old construction worker is brought to the emergency department 45 minutes after a splash of quicklime (calcium oxide) to both eyes. On examination, the cornea is opaque and the conjunctiva is blanched. After initial irrigation with normal saline and removal of particulate matter, the conjunctival pH is 8.2. What is the most appropriate next step in management?

A 32-year-old male factory worker presents to the emergency department 30 minutes after a splash of lime powder (calcium oxide) to his right eye during an accident. He reports severe pain, photophobia, and blurred vision. On examination, the cornea appears hazy with a white opaque appearance, and the conjunctiva shows blanching with loss of normal vascularity. The anterior chamber is clear. What is the most appropriate immediate management?

In chemical injuries of the eye, which of the following substances is classified as an alkali and causes the most severe ocular damage?