What should be the FIRST therapeutic intervention for the construction worker's condition?

The first therapeutic intervention for the construction worker's condition should be to lavage the eye with a balanced saline solution. This is crucial in cases where a foreign body, chemical exposure, or irritants have entered the eye. The primary objective of lavage is to remove any contaminants or substances that may cause further damage or irritation to the ocular surface.

By flushing the eye, you help to dilute and wash away harmful materials, thus reducing the risk of complications such as corneal abrasion, chemical burns, or prolonged inflammation. This step is essential in eye care protocols, especially before considering other interventions like the use of topical anesthetics, surgical procedures, or antibiotics.

Lavage serves as an immediate action that can significantly minimize potential damage and lead to more effective management of the condition in subsequent steps.