Engine department to deck department

I am sailing as tr.wpr and right now onboard. This is my second ship. Last ship also I've sailed as tr.wpr because my eyesight was 6/9,6/12 without visual aids. During my joining on current vessel I shared my concern with the dg approved doc who did my pre employment medicals. He said that I can join the deck department because I am no longer a fresher. Please note that I've not...