If a patient has an eyelid injury, what is the initial step for treatment?

For an eyelid injury, the initial step for treatment should focus on protecting the eye and preventing further injury. Applying a rigid patch helps immobilize the eyelid and protects it from external elements, which is crucial in minimizing movement that could exacerbate the injury. This method also serves to shield the injured area from infection and further trauma while allowing for proper assessment and treatment of the injury.

In contrast, using antibacterial ointment, encouraging frequent blinking, or immersing the area in cold water may not address the immediate protective needs of the eye. Antibacterial ointment might be useful later in the treatment process but does not provide the initial protection that a rigid patch does. Encouraging blinking could actually worsen the injury by causing additional movement and irritation, while immersing the eye in cold water is not generally recommended for eyelid injuries, as it may lead to further complications or discomfort.