EE sweeping on top of transfer conveyor and experienced irritation in rt eye. A small piece of debris was observed & flushing was attempted onsite. He was seen at the local ER on 4/23/14 at shift end. He continued to have irritation & requested to be seen again on 4/28/14. Returned to full duty following both visits. Was prescribed medicine (eye drops) at 4/28/14 visit.