If eyes are exposed to calcium oxide, immediate action is crucial because it is a corrosive substance that can cause severe irritation or burns.Actions to TakeRinse immediately - Flush the eyes with plenty of clean, lukewarm water for at least 15-20 minutes. Make sure to keep the eyelids open and move the eyeball around to wash out all the chemical.Remove contact lenses - If the person is wearing contacts, remove them as soon as possible while rinsing.Avoid rubbing - Do not rub the eyes, as this can worsen the injury.Seek medical help - After rinsing, get medical attention immediately for proper evaluation and treatment.Quick rinsing helps dilute and remove the chemical, minimizing damage to the eye.