Acular LS (ketorolac tromethamine ophthalmic solution) is a nonsteroidal anti-inflammatory drug (NSAID), that blocks prostaglandins in the eye thus reducing the eye pain and burning/stinging following certain surgeries.
Acular LS (ketorolac tromethamine ophthalmic solution) 0.4% safely and effectively reduces pain intensity and photophobia following incisional refractive surgery, with no significant increases in intraocular pressure.

Acular LS Side Effects:

Check with your doctor if any of these most COMMON side effects persist or become bothersome caused by Acular LS (Ketorlac): Blurred vision; eye irritation; eye redness; headache; inflammation of the eye; stinging and burning of the eye while applying; swelling of the cornea and iris. Seek medical attention right away if any of these SEVERE side effects occur: Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); continuous pain, burning, stinging, redness, or swelling around the eyes; infection in the eye; unusual bleeding; vision changes.