EE had been working on a ventilation curtain in #1 heading he completed task, he removed his safety glasses to wipe sweat of his eye and rubbed dirt in the left eye causing irritation. EE stated that he had mud on his hands from the ventilation curtain. EE started to miss work on3/31 thru 3/30 and returned to work on 3/31/15. EE worked tow day before going to the Dr.