EE was washing screen tower walkways with a 1-1/2"" rubber water hose. EE finished washing off plant and disconnected hose from water line 1-1/2"" camlock couplers. When removing hose fitting from pipe water sprayed out hitting them in the left eye. EE washed the eye but still felt discomfort, was seen by a panel physician and has an abrasion on the cornea and received prescription.